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      id="t_10_0aabaf9e_944b_4240_a4f5_3eb28f1eb902">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_10_dc0e534a_9353_e01b_7eea_341d454c7c1f;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      id="t_3_4a57328c_f24d_4e4d_83f2_854b7b09dd51">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;A&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.71&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
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      unitRef="USD">35</oef:ExpensesPaidAmt>
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      decimals="4"
      id="h_2_cd0ebfeb_ceaf_4274_8bea_54235ab3ae61"
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002023Member"
      decimals="INF"
      id="h_3_8210af3f_5c82_4230_beff_fb7e44a03d41"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
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      decimals="4"
      id="h_4_58a83279_8199_4fb4_87aa_43d15d66fdf9"
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_EquityMember"
      decimals="4"
      id="h_6_0e95abfc_7bbb_4404_874c_fd9ff84d1558"
      unitRef="pure">0.991</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_7_32cd9a94_89a9_4162_a901_0288292ff392"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_8_dfef31dc_61f0_4280_b014_17a5f49339e9"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_9_cfb15770_0623_4228_ae65_c808d39b99af"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_HealthcareSectorMember"
      decimals="4"
      id="h_10_17a330fd_2c8c_4465_9060_4d24cd44fe45"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_IndustrialSectorMember"
      decimals="4"
      id="h_11_3ef484af_71c8_402f_92b3_6759b6a9bfcf"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_12_146cdfbd_90d1_4a54_b6bc_18cc0c4876d1"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_CommunicationsSectorMember"
      decimals="4"
      id="h_13_881d1ffe_7a92_4ab1_b421_b2a913389965"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_14_6634dc32_cc27_4843_968f_283c5aeb87b8"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_UtilitiesSectorMember"
      decimals="4"
      id="h_15_a75e75c2_a83c_4c91_bdb2_b81fd5dd52f2"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_MaterialsSectorMember"
      decimals="4"
      id="h_16_10f0c08b_0ffa_4ecb_a67d_59ef7ff0424d"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002023Member_RealEstateSectorMember"
      decimals="4"
      id="h_17_36b23054_7e96_49aa_ae47_9ec1bfcbd343"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002023Member"
      id="t_11_165a6c41_71b1_984c_96ac_908481a2d3ce">
&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
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      contextRef="D20251201_20260531_C000002029Member"
      id="t_21_5ac06f61_4c0b_e4f8_ee3a_ae697a165bf6">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000002029Member"
      id="t_19_0bb15f23_e66b_4407_28d7_b25dfae71f97">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_19_a7749cba_839e_c0e6_d67c_ee254db4bddf;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20251201_20260531_C000002029Member"
      id="t_12_5dbb8cb3_a27d_4077_ad81_efbd1337af1d">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;B&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;73&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;1.47&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_EquityMember"
      decimals="4"
      id="h_33_88d3adce_e19a_4d86_9f4d_c307341c144e"
      unitRef="pure">0.991</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_34_4d63c577_7c39_4716_a1f7_1dec1c4c4330"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_35_c46a89be_1258_4f7f_8ac6_77ec5b8458a7"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_36_0b3e8104_10a3_4d5c_8a31_dc01c10499fd"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_HealthcareSectorMember"
      decimals="4"
      id="h_37_767150b4_3259_4c0e_947d_ab3c82419a72"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_IndustrialSectorMember"
      decimals="4"
      id="h_38_e680c8cf_3793_44b0_bb92_528988192185"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_39_72859766_38ec_4da8_89b3_405dc22b5a8b"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_CommunicationsSectorMember"
      decimals="4"
      id="h_40_57596976_b647_4989_81d1_bac5c22e6066"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_41_af09d2f5_d453_4036_9927_1cd315688cfa"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_UtilitiesSectorMember"
      decimals="4"
      id="h_42_434ad993_35c1_4775_822f_98b60d85b06e"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_MaterialsSectorMember"
      decimals="4"
      id="h_43_46cd2f74_54f7_4a82_86c7_d3751a87302a"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_RealEstateSectorMember"
      decimals="4"
      id="h_44_d2908087_30b4_424b_b0e3_e080563e660a"
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&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_NVIDIACorpMember"
      decimals="4"
      id="h_45_92840ec5_f886_4a4b_8da0_50b62747a62a"
      unitRef="pure">0.127</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_MicrosoftCorpMember"
      decimals="4"
      id="h_46_ec9436aa_a979_4032_98b6_d0e6e213bcf0"
      unitRef="pure">0.095</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_AlphabetIncAMember"
      decimals="4"
      id="h_47_8005ed88_979f_4f13_a6b8_1428a1c8ec8b"
      unitRef="pure">0.059</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_AppleIncMember"
      decimals="4"
      id="h_48_6f532824_0e35_4378_aef1_2ddfc3d24449"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_AmazonComIncMember"
      decimals="4"
      id="h_49_148812b7_a280_4f07_962f_7be76298b70c"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_50_12b43c06_100e_4e7f_8d9b_9a95cf2f62ea"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_VisaIncAMember"
      decimals="4"
      id="h_51_4ffdecc7_6e38_45e9_a012_e61673cd32b3"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_AmphenolCorpAMember"
      decimals="4"
      id="h_52_b15ae9e9_67dc_4f5b_8675_e175625bf3c2"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_AonPLCMember"
      decimals="4"
      id="h_53_59222fe7_28a8_4997_bf25_52140a5df9f0"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002029Member_MoodySCorpMember"
      decimals="4"
      id="h_54_f1352e26_38f2_4977_ae40_3d7e6d06aace"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="D20251201_20260531_C000002030Member"
      id="t_31_44c8d633_6440_f4b2_7ffd_71d01c3c288d">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000002030Member"
      id="t_29_91b3bee7_b9a8_70cd_63dc_3fdbaf3b1e0c">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_29_de817e23_ee5b_53cd_00a0_7e23e7cf700b;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:AddlInfoTextBlock
      contextRef="D20251201_20260531_C000002030Member"
      id="t_21_ce142830_1afe_4f88_b01b_f55d0ba8e1e4">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251201_20260531_C000002030Member"
      id="t_23_4f98b381_ae83_438e_b942_7ccbaaf639aa">funds.mfs.com</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20251201_20260531_C000002030Member"
      id="t_24_6453057a_edb5_4877_b49b_c461d85b46ab">1&#x2011;800&#x2011;225&#x2011;2606</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251201_20260531_C000002030Member"
      id="t_22_a3234157_de83_4fe5_a94c_61674bb5f805">orderliterature@mfs.com</oef:AddlInfoEmail>
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      contextRef="D20251201_20260531_C000002030Member"
      id="t_25_d481b3c5_4444_4afa_9760_af6dd844f593">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;C&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;73&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;1.47&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251201_20260531_C000002030Member"
      decimals="INF"
      id="h_55_0efd4bc8_c3b5_4f10_a017_6d8f99123149"
      unitRef="USD">73</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251201_20260531_C000002030Member"
      decimals="4"
      id="h_56_45c646d6_f8f1_45ed_87ec_5a596caa7c74"
      unitRef="pure">0.0147</oef:ExpenseRatioPct>
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      contextRef="D20251201_20260531_C000002030Member"
      id="t_26_ddfd900c_b832_4c46_9847_25f91d32d561">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002030Member"
      decimals="INF"
      id="h_57_fc6edd27_3780_4565_8746_b608a8b0443f"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002030Member"
      decimals="4"
      id="h_58_819e52bd_7902_4f99_90c8_b2377d69cf98"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsCount
      contextRef="TI20260531_C000002030Member"
      decimals="INF"
      id="h_59_73aaceae_e041_466b_b738_d859dc89647b"
      unitRef="Holding">54</oef:HoldingsCount>
    <oef:HoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002030Member"
      id="t_27_45893b91_aa47_496f_b0ca_4d3f08815f17">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
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&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
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    <oef:FundName
      contextRef="D20251201_20260531_C000002031Member"
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      contextRef="D20251201_20260531_C000002031Member"
      id="t_38_bab247a3_2942_2cbf_04ad_fa7467081449">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_38_867ed801_9375_b523_1ce7_6f02ada5987e;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20251201_20260531_C000002031Member"
      id="t_30_3de6d03f_f44b_4455_9139_2fec1a34641e">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;I&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;23&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.47&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
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      contextRef="D20251201_20260531_C000002031Member"
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      id="h_82_ed9cdd79_101f_4e59_b183_d9c8dadc2694"
      unitRef="USD">23</oef:ExpensesPaidAmt>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002031Member"
      decimals="INF"
      id="h_84_d70bfc35_abd1_46f4_9f22_1fb47803d384"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002031Member"
      decimals="4"
      id="h_85_e72640a1_e7cf_4e56_b272_c6b44ce31171"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsCount
      contextRef="TI20260531_C000002031Member"
      decimals="INF"
      id="h_86_c3fd54c6_3923_4a2f_a5c5_47e1e02ed687"
      unitRef="Holding">54</oef:HoldingsCount>
    <oef:HoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002031Member"
      id="t_36_6810795c_724d_4703_8bea_d275f7ef936d">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      decimals="4"
      id="h_87_e01892b8_7cdd_487a_851d_a78848cc709f"
      unitRef="pure">0.991</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_88_faaeb8c2_f25f_4141_a917_5fbd5f614f20"
      unitRef="pure">0.009</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_89_7564cd56_c182_4ca2_83ff_f6128e4b7fde"
      unitRef="pure">0.401</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_90_18e9b495_61a4_4c73_a037_43044f9abd1d"
      unitRef="pure">0.131</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_HealthcareSectorMember"
      decimals="4"
      id="h_91_1534e47e_84e5_4760_a171_f4cda59bb6cb"
      unitRef="pure">0.112</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_IndustrialSectorMember"
      decimals="4"
      id="h_92_a8558236_eb3a_4c45_b684_5a7eada7b4ba"
      unitRef="pure">0.104</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_93_2613b926_9140_43f6_8307_470072e88e88"
      unitRef="pure">0.098</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_CommunicationsSectorMember"
      decimals="4"
      id="h_94_2d671f8f_b0da_4eb3_ba5f_22412cc7bf1f"
      unitRef="pure">0.073</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002031Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_95_669359b3_5058_49b7_a149_2da4758763cf"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_UtilitiesSectorMember"
      decimals="4"
      id="h_96_ed1e9b61_eab7_4b7e_a12b_b985991ecd2c"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_MaterialsSectorMember"
      decimals="4"
      id="h_97_3775a99f_60f8_4359_a1f5_cff2711006c9"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_RealEstateSectorMember"
      decimals="4"
      id="h_98_640481bc_5552_47f6_bbec_1aa916752404"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002031Member"
      id="t_39_d15dfb05_3506_2f80_8312_88ec96e8967f">
&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      decimals="4"
      id="h_99_d88d3beb_1dc4_4f1d_beab_87f614595c9c"
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      contextRef="TI20260531_C000002031Member_MicrosoftCorpMember"
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      id="h_100_1516b57c_142a_4ff0_9a93_e55e90ee2ffc"
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      decimals="4"
      id="h_101_aacd11a2_9fa2_49f0_9881_a901460354cc"
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      id="h_102_eda5c7ed_35ec_45ce_9642_ec440b5a9ea7"
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      contextRef="TI20260531_C000002031Member_AmazonComIncMember"
      decimals="4"
      id="h_103_a95cf26e_9764_4901_84d7_f6bdc960d0c8"
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      decimals="4"
      id="h_104_4a70e7c7_2298_4f8c_9bee_6ea0bfca42a1"
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    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_VisaIncAMember"
      decimals="4"
      id="h_105_eb3a16d1_4df1_4c1f_be8f_f366a2f587d1"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_AmphenolCorpAMember"
      decimals="4"
      id="h_106_e4d55a31_8e0b_4e6c_858e_0304023244d3"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_AonPLCMember"
      decimals="4"
      id="h_107_83ae82b7_11e4_4a89_b740_fc91af0eecb5"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002031Member_MoodySCorpMember"
      decimals="4"
      id="h_108_4ed63c8e_b139_4294_ac9e_35abffbb5a26"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="D20251201_20260531_C000002034Member"
      id="t_47_4a538ddd_f69b_b78c_804c_15db9e524399">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000002034Member"
      id="t_37_a5ee5276_e7b7_4ab6_a260_b14a14b8b51d">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_47_2277cceb_65ee_bf92_5572_45a9d0cace4f;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20251201_20260531_C000002034Member"
      id="t_39_9d9b1ded_1495_4d35_a38d_154ab6a664e9">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251201_20260531_C000002034Member"
      id="t_41_07c6b525_308a_4f8c_8a03_9805a59e7084">funds.mfs.com</oef:AddlInfoWebsite>
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      id="t_42_3be9f49c_2664_40dc_b2d0_a47ec2daf0ea">1&#x2011;800&#x2011;225&#x2011;2606</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20251201_20260531_C000002034Member"
      id="t_40_e7ef4a1e_c4ff_41de_8391_e90a2fd20622">orderliterature@mfs.com</oef:AddlInfoEmail>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;R1&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;73&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;1.47&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
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      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002034Member"
      decimals="4"
      id="h_112_6caafeb1_9b75_49e8_83e5_2c231e42e0b8"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsCount
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      id="h_113_e7d83479_befb_4a7d_ab80_452d9bd6e39a"
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_EquityMember"
      decimals="4"
      id="h_114_b37284f0_b3d4_43dc_84cd_352c9c512937"
      unitRef="pure">0.991</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_115_f8c5fdf6_7ef7_442e_95f3_6af738ee8da0"
      unitRef="pure">0.009</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_116_53228fb5_dc74_42eb_9890_b94b210f231f"
      unitRef="pure">0.401</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_117_2b9a53b6_cbb8_4e79_82b4_85d7a1183a48"
      unitRef="pure">0.131</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_HealthcareSectorMember"
      decimals="4"
      id="h_118_0ca55b8c_ba64_421e_a21e_cece2feea0a0"
      unitRef="pure">0.112</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_IndustrialSectorMember"
      decimals="4"
      id="h_119_7db6ba37_8a82_41a9_bbb7_13b259fae84c"
      unitRef="pure">0.104</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_120_64d4592d_3af7_4e9b_8e92_89315b08016d"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_CommunicationsSectorMember"
      decimals="4"
      id="h_121_141f5d9a_5f4e_46fe_a8b4_18210c61ce4a"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_122_a96dae5e_39e8_46af_8680_4be3c46fc06e"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_UtilitiesSectorMember"
      decimals="4"
      id="h_123_c68a18cd_917c_46cb_bcb2_1982def3dec0"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_MaterialsSectorMember"
      decimals="4"
      id="h_124_2024b9b2_3066_4fa3_9db4_bbd0179c340a"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_RealEstateSectorMember"
      decimals="4"
      id="h_125_23ff022c_4586_45da_9536_237db9402379"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002034Member"
      id="t_46_74a3ade3_d5fc_13b5_9e39_b793c635b34d">
&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      decimals="4"
      id="h_126_c7f7d25c_e331_4928_9862_33b725bfd6e1"
      unitRef="pure">0.127</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_MicrosoftCorpMember"
      decimals="4"
      id="h_127_a99c73e7_fcda_4367_900d_a45ed93817c3"
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      contextRef="TI20260531_C000002034Member_AlphabetIncAMember"
      decimals="4"
      id="h_128_6d86059d_4fca_4ba4_abb0_6509c9e4a99b"
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      contextRef="TI20260531_C000002034Member_AppleIncMember"
      decimals="4"
      id="h_129_48c754d3_89bb_4232_b722_cb05f1df8f58"
      unitRef="pure">0.053</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002034Member_AmazonComIncMember"
      decimals="4"
      id="h_130_5a62788d_918a_4f04_802f_ceb95c2a6460"
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      contextRef="TI20260531_C000002034Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_131_d4113bfb_d2a5_4505_8250_cc5db17a1bbf"
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      contextRef="TI20260531_C000002034Member_VisaIncAMember"
      decimals="4"
      id="h_132_b2d8081e_67ca_4d80_be8f_0cbfdbc38878"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_AmphenolCorpAMember"
      decimals="4"
      id="h_133_d02adbad_29b2_4b87_ae1c_9cbec271ee6c"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_AonPLCMember"
      decimals="4"
      id="h_134_2d17f9ee_0361_4475_a383_03eed76b79d8"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002034Member_MoodySCorpMember"
      decimals="4"
      id="h_135_98f247df_64b8_4b70_8265_0cd093381133"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="D20251201_20260531_C000002036Member"
      id="t_56_fabcd5c0_2ca2_2ca3_6033_ec4deefbdc58">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20251201_20260531_C000002036Member"
      id="t_46_08357903_647a_4523_a5cb_d900b5a0a2f1">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_56_cb2e567f_5fa0_8aee_9c7d_a14bb424c05e;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:AddlInfoTextBlock
      contextRef="D20251201_20260531_C000002036Member"
      id="t_48_2fa310b3_5565_4ceb_9478_c762723dfe50">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251201_20260531_C000002036Member"
      id="t_50_d52e9094_8780_4b2b_ba77_9fceec29a220">funds.mfs.com</oef:AddlInfoWebsite>
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      id="t_49_1efc2902_8e08_44e9_a5ea_23cc043fa0a5">orderliterature@mfs.com</oef:AddlInfoEmail>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;R2&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;48&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.97&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251201_20260531_C000002036Member"
      decimals="INF"
      id="h_136_ea8311a2_65fd_4783_9e8a_581768efcb3e"
      unitRef="USD">48</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251201_20260531_C000002036Member"
      decimals="4"
      id="h_137_15933d00_afcf_46bb_b753_427fd48893b1"
      unitRef="pure">0.0097</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20251201_20260531_C000002036Member"
      id="t_53_de16db7c_5526_430d_a071_85cfff42f16f">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002036Member"
      decimals="INF"
      id="h_138_6dbf1d6f_c907_438a_9ee4_d8f1f7fe5096"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002036Member"
      decimals="4"
      id="h_139_4841cf52_d406_4eeb_9dfc_69c3420283dc"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsCount
      contextRef="TI20260531_C000002036Member"
      decimals="INF"
      id="h_140_c69fdeca_c519_43d9_bf2f_dc671c3ef4fd"
      unitRef="Holding">54</oef:HoldingsCount>
    <oef:HoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002036Member"
      id="t_54_f008f794_6adc_ea78_45d1_73c759e692b8">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002036Member_EquityMember"
      decimals="4"
      id="h_141_7bb78aea_2b73_4eae_8184_c18f804122b1"
      unitRef="pure">0.991</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_142_7e15cd9a_d972_4bbd_84cf_028b3e3442d5"
      unitRef="pure">0.009</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_143_b1e16779_caed_4b5f_b072_62c48534487a"
      unitRef="pure">0.401</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_144_163007bd_374e_4afb_9ab5_2c9986bd0b7f"
      unitRef="pure">0.131</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_HealthcareSectorMember"
      decimals="4"
      id="h_145_678a49db_35a8_40a2_8970_5133cfbd371a"
      unitRef="pure">0.112</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_IndustrialSectorMember"
      decimals="4"
      id="h_146_90ede703_e38d_4c50_980b_69fa782a85dc"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002036Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_147_dbacd849_5ec3_4035_b857_ac8e8555eb93"
      unitRef="pure">0.098</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_CommunicationsSectorMember"
      decimals="4"
      id="h_148_c7c8cd6e_a44a_4811_b452_660f71ea3135"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002036Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_149_64c42478_822a_41c1_b6a0_d088189eb284"
      unitRef="pure">0.042</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_UtilitiesSectorMember"
      decimals="4"
      id="h_150_9e28c0ca_557a_456d_a332_c2f021197999"
      unitRef="pure">0.020</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_MaterialsSectorMember"
      decimals="4"
      id="h_151_d1c2d64e_2a5e_4f20_80f8_26c229938a35"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002036Member_RealEstateSectorMember"
      decimals="4"
      id="h_152_0aa25fdb_59ea_498b_bd32_954b69a375da"
      unitRef="pure">0.001</oef:PctOfTotalInv>
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      id="t_55_efe2fa17_c0df_f549_db37_cc5014f42dc6">
&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      decimals="4"
      id="h_153_a5a461be_2911_4c3f_b9c6_ad3c102f7989"
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      contextRef="TI20260531_C000002036Member_MicrosoftCorpMember"
      decimals="4"
      id="h_154_f96b395e_be7d_4af1_b9de_bd9efb963349"
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      decimals="4"
      id="h_155_56773f17_9aba_460d_b984_d8ce2f91a610"
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      decimals="4"
      id="h_156_d5b2aeb2_fa41_4b09_9d52_1cb3fb1599b0"
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      contextRef="TI20260531_C000002036Member_AmazonComIncMember"
      decimals="4"
      id="h_157_d9f77338_5103_4060_a90a_ef102fa4d67a"
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      contextRef="TI20260531_C000002036Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_158_426a3899_9359_44f6_b47c_18570ae0e954"
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      contextRef="TI20260531_C000002036Member_VisaIncAMember"
      decimals="4"
      id="h_159_b87e10f2_42cd_4ce5_91c5_79de7a542b05"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002036Member_AmphenolCorpAMember"
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      id="h_160_47e7cc74_24f2_4362_b5d2_9f721cb1c07f"
      unitRef="pure">0.033</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002036Member_AonPLCMember"
      decimals="4"
      id="h_161_0067589d_6235_4956_b6b4_a290f89a7d03"
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      contextRef="TI20260531_C000002036Member_MoodySCorpMember"
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      id="h_162_2fcb3d7a_ea57_4321_be3d_c522cc6844c1"
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    <oef:FundName
      contextRef="D20251201_20260531_C000002024Member"
      id="t_65_437de226_c2a5_95e7_e8aa_162a3c9430d5">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000002024Member"
      id="t_64_458c6dd7_5720_5773_803d_d8f774fbcac9">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_64_e5e084b3_8825_0770_d7de_beef506a3ea8;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20251201_20260531_C000002024Member"
      id="t_57_7415466f_df6e_43b0_bade_d6b13d550003">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251201_20260531_C000002024Member"
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      id="t_60_4bf009e6_7ef7_4edb_a77b_8731562d5c5f">1&#x2011;800&#x2011;225&#x2011;2606</oef:AddlInfoPhoneNumber>
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      contextRef="D20251201_20260531_C000002024Member"
      id="t_58_18d6f8de_4b4f_4ec1_83e9_86b94dd3d2d7">orderliterature@mfs.com</oef:AddlInfoEmail>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;R3&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.71&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251201_20260531_C000002024Member"
      decimals="INF"
      id="h_163_fc21d8c2_ecb8_42c4_a706_6c7ebb969ca2"
      unitRef="USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251201_20260531_C000002024Member"
      decimals="4"
      id="h_164_5c5b479f_4190_4711_834c_759b8cbddde3"
      unitRef="pure">0.0071</oef:ExpenseRatioPct>
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      id="t_62_f6cc4aed_c6ee_4709_b3a5_1e6dc556beeb">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002024Member"
      decimals="INF"
      id="h_165_7c1c7e34_25fc_415a_8587_4d2acdd62d97"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002024Member"
      decimals="4"
      id="h_166_e1ff1802_47d6_4d3c_afd4_78797dbf6e39"
      unitRef="pure">0.16</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsCount
      contextRef="TI20260531_C000002024Member"
      decimals="INF"
      id="h_167_9dc2ad79_6571_4c8b_907c_1364db359d4c"
      unitRef="Holding">54</oef:HoldingsCount>
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      contextRef="D20251201_20260531_C000002024Member"
      id="t_63_dd761c29_fc6c_447c_b04f_9aa14ad2e877">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_EquityMember"
      decimals="4"
      id="h_168_36c689a7_3f0a_4c71_b88d_abde4a7d9417"
      unitRef="pure">0.991</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_169_a1126064_03e2_48f2_a82c_a0c26a3cc9ab"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_170_c1639024_73a0_43de_ad36_324640186af8"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_171_a080416d_1006_4ea0_9aa9_4e178d7bddba"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_HealthcareSectorMember"
      decimals="4"
      id="h_172_b6585ef7_2591_452d_860b_f2e1c95c2521"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_IndustrialSectorMember"
      decimals="4"
      id="h_173_f6d29503_97a7_4396_bf94_3c63e74323ab"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_174_39c885af_e17d_4d14_aec2_2fdd7dd476ed"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_CommunicationsSectorMember"
      decimals="4"
      id="h_175_63e5d4b9_bd23_4101_b912_63796196f068"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_176_bd068f45_3cbf_4ec6_9eb2_6db3c255e668"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_UtilitiesSectorMember"
      decimals="4"
      id="h_177_77159968_ff2f_484e_9d1c_faacc46162b7"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_MaterialsSectorMember"
      decimals="4"
      id="h_178_bb761043_ff55_46e8_bed7_2f8352a8c657"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002024Member_RealEstateSectorMember"
      decimals="4"
      id="h_179_4f9ad0f3_86b8_4575_85c1_d3cc02408450"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002024Member"
      id="t_66_5bcfdc1e_7eb6_10a5_8a64_f149011c31eb">&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      contextRef="TI20260531_C000002024Member_MicrosoftCorpMember"
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      id="h_181_1c22768a_5a0b_4099_a203_e542f4f19365"
      unitRef="pure">0.095</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_AlphabetIncAMember"
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      id="h_182_530c3117_68dd_4f48_8931_eb20b3b83fce"
      unitRef="pure">0.059</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_AppleIncMember"
      decimals="4"
      id="h_183_27a9201a_a818_44a9_b94d_c28c1209d81d"
      unitRef="pure">0.053</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_AmazonComIncMember"
      decimals="4"
      id="h_184_ed20b0a6_31ac_413d_a726_73e5ba8dba86"
      unitRef="pure">0.048</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_185_d927c125_9777_4638_b313_304ca9b45bd2"
      unitRef="pure">0.041</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_VisaIncAMember"
      decimals="4"
      id="h_186_dc505553_7dec_4a1b_8325_218e1b6adf5c"
      unitRef="pure">0.035</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_AmphenolCorpAMember"
      decimals="4"
      id="h_187_77e666bc_76c0_487f_8c80_a6637454c96d"
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      id="h_188_784f40e7_ee5e_4f8a_aff1_0b45987c6858"
      unitRef="pure">0.024</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000002024Member_MoodySCorpMember"
      decimals="4"
      id="h_189_8eee758e_9768_46a3_a76d_70594b6efc22"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="D20251201_20260531_C000002025Member"
      id="t_73_6584083f_c33c_0207_1ebb_2ce67a135f31">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000002025Member"
      id="t_64_274d7f68_2a44_43fa_8cc4_1b06151645ff">This &lt;span class="sec-hidden" style="-sec-ix-hidden:t_74_543e166d_3b8d_f359_056f_4672621b832c"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:AddlInfoTextBlock
      contextRef="D20251201_20260531_C000002025Member"
      id="t_66_a1afaecd_4a84_4734_907d_c3fa074bc177">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20251201_20260531_C000002025Member"
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      contextRef="D20251201_20260531_C000002025Member"
      id="t_67_218425e5_364b_4baf_a5ee_d9e2cbba8683">orderliterature@mfs.com</oef:AddlInfoEmail>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;R4&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;23&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.46&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20251201_20260531_C000002025Member"
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      id="h_190_b5ab0973_d1a8_4821_80ee_b604d5491672"
      unitRef="USD">23</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20251201_20260531_C000002025Member"
      decimals="4"
      id="h_191_6dfa6b63_5b37_4774_b401_0a2769167b5a"
      unitRef="pure">0.0046</oef:ExpenseRatioPct>
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      contextRef="D20251201_20260531_C000002025Member"
      id="t_71_b131083e_c445_4092_a5a0_ec775b4a4e15">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000002025Member"
      decimals="INF"
      id="h_192_3fb04ca0_28dc_42ec_acd0_b49bd241fa8a"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000002025Member"
      decimals="4"
      id="h_193_ffea7418_3d5b_417a_982b_6d53beed308f"
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      contextRef="TI20260531_C000002025Member"
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      id="h_194_9375bf3b_287d_4a51_bcd7_410ee06b4b0d"
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_EquityMember"
      decimals="4"
      id="h_195_da79ede4_b591_4ad3_9470_5ebc528a5d65"
      unitRef="pure">0.991</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_196_9c046d4b_4a4d_4351_888b_987c9a975b63"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_197_345cf637_9c24_4be5_a45b_159b9db0f96c"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_198_ab51baae_c300_4d15_917d_3f5f3e16227e"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_HealthcareSectorMember"
      decimals="4"
      id="h_199_16bad525_4b92_4ea8_8ca7_43570158d76c"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_IndustrialSectorMember"
      decimals="4"
      id="h_200_cda44420_fd98_4840_99fa_89318ad7059e"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_201_9e62f490_3081_495a_8c92_61893af01463"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_CommunicationsSectorMember"
      decimals="4"
      id="h_202_b100ec2f_9707_4d08_a603_626c2910c6a6"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_203_06a56e96_3949_428c_a1f9_4ff6b02fc910"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_UtilitiesSectorMember"
      decimals="4"
      id="h_204_93341c37_7b52_4c8c_a2f9_6fee71b65e06"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_MaterialsSectorMember"
      decimals="4"
      id="h_205_5525f344_b06c_4fdc_b078_372f4fe6f224"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000002025Member_RealEstateSectorMember"
      decimals="4"
      id="h_206_19aebe80_156b_46c6_9a7f_f14bdd41b76e"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000002025Member"
      id="t_74_b476a4f0_bb4c_3e0a_084c_cedf6e564002">&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
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      contextRef="TI20260531_C000002025Member_AlphabetIncAMember"
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      contextRef="TI20260531_C000002025Member_AppleIncMember"
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      id="h_210_8160cf77_0a93_4abc_b693_7f2001fd3170"
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      contextRef="TI20260531_C000002025Member_AmazonComIncMember"
      decimals="4"
      id="h_211_5fbf8868_5429_40da_8268_7eacd025a882"
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      contextRef="TI20260531_C000002025Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_212_10f2a9b1_79b4_4291_b42e_664a12739379"
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      contextRef="TI20260531_C000002025Member_VisaIncAMember"
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      id="h_213_6bb7d26d_cc3d_4c2e_bf62_dbf6058ff4c7"
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      id="h_214_16c9eb5f_e554_4676_9d07_b7be9936c766"
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      id="h_215_7d47e125_deec_4200_9171_50b5184a6859"
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      contextRef="TI20260531_C000002025Member_MoodySCorpMember"
      decimals="4"
      id="h_216_4149faef_98c9_4dbd_a598_fe2f1fb92440"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:FundName
      contextRef="D20251201_20260531_C000112291Member"
      id="t_84_ea92f0ac_f063_8519_de91_9cd08bccfada">Massachusetts InvestorsGrowth Stock Fund</oef:FundName>
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      contextRef="D20251201_20260531_C000112291Member"
      id="t_73_734559b1_9a72_4829_af78_2e2f2e8cf6d2">This &lt;span class="sec-hidden" style="-sec-ix-hidden: t_83_317393fb_53b9_98ce_b9b0_1047b85aa264;"&gt;semiannual shareholder report&lt;/span&gt; contains important information about Massachusetts Investors Growth Stock Fund for the period of December 1, 2025 to May 31, 2026.</oef:AnnlOrSemiAnnlStatementTextBlock>
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      contextRef="D20251201_20260531_C000112291Member"
      id="t_75_59dfcf1e_ffc3_40f9_9926_2a941ef6d5aa">You can find additional information about the fund at &lt;span style="text-decoration-line: underline; color: rgb(45, 126, 201); font-family: 'arial'; font-weight: normal; font-size: 11pt;"&gt;funds.mfs.com&lt;/span&gt;. You can also request this information by contacting us at 1&#x2011;800&#x2011;225&#x2011;2606 or by sending an e-mail request to orderliterature@mfs.com.</oef:AddlInfoTextBlock>
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND EXPENSES&lt;/div&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(126, 45, 64); font-size: 12pt; text-align: left; margin: 0px 0px 6pt 0px;"&gt;What were the fund costs for the last six months?&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;(based on a hypothetical $10,000 investment)&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; vertical-align: bottom; font-style: italic; font-size: 10pt; text-align: center; color: rgb(0, 0, 0); width: 533pt; position: absolute; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 2pt 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-after: avoid; break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Class Name&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; font-weight: normal; text-align: center; vertical-align: middle; border-right-color: initial; border-right-style: none; border-right-width: initial; padding: 0 3pt 0 3pt;"&gt;Costs&#160;paid as a percentage of&#160;a&#160;$10,000&#160;investment (annualized)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: rgb(128, 128, 128); border-top-style: solid; border-top-width: 1pt; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; font-weight: normal; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;R6&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; border-right-color: rgb(128, 128, 128); border-right-style: solid; border-right-width: 1pt; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;18&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; white-space: nowrap; border-right-color: initial; border-right-style: none; border-right-width: initial; text-align: center; vertical-align: middle; padding: 0 3pt 0 3pt;"&gt;0.37&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
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      id="h_217_0792c148_89a9_40aa_9a1a_6d0ad38238bf"
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      decimals="4"
      id="h_218_f9666648_9053_4821_bc7d_60bffb363f70"
      unitRef="pure">0.0037</oef:ExpenseRatioPct>
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      id="t_80_d161b65c_acde_4d84_98ff_f207a7cc501a">
&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;FUND STATISTICS AS OF 5/31/26&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Net Assets ($):&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;9,167,689,749&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; padding: 0 3pt 0 3pt;"&gt;Portfolio Turnover Rate (%):&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; padding: 0 3pt 0 3pt;"&gt;16&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-top-color: initial; border-top-style: none; border-top-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial;"&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); text-align: left; font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; padding: 0 3pt 0 3pt;"&gt;Total Number of Holdings:&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 72pt; text-align: right; padding: 0 3pt 0 3pt;"&gt;54&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: auto; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; border-left-color: initial; border-left-style: none; border-left-width: initial; width: 178pt; font-weight: normal; text-align: left; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; page-break-inside: avoid; vertical-align: middle; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 9pt; width: 72pt; font-weight: normal; text-align: right; border-left-color: initial; border-left-style: none; border-left-width: initial; border-bottom-color: initial; border-bottom-style: none; border-bottom-width: initial; padding: 0 3pt 0 3pt;"&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;Where the fund holds derivatives, they are not included in the total number of portfolio holdings.&lt;/div&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20260531_C000112291Member"
      decimals="INF"
      id="h_219_046ffafe_5a3f_4e91_95bb_7d588da08489"
      unitRef="USD">9167689749</us-gaap:AssetsNet>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20251201_20260531_C000112291Member"
      decimals="4"
      id="h_220_d2203370_1532_43b9_a78a_1efb4ee29e44"
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&lt;div style="font-family: 'arial'; font-size: 11.52pt; font-weight: bold; color: rgb(126, 45, 64); margin: 0px 0px 3pt 0px;"&gt;PORTFOLIO COMPOSITION (BASED ON TOTAL INVESTMENTS AS OF 5/31/26)&lt;/div&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Portfolio structure&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; page-break-inside: avoid; break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Equities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;99.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; padding: 2pt 3pt 2pt 3pt;"&gt;Money Market Funds&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; width: 50pt; white-space: nowrap; padding: 2pt 3pt 2pt 3pt;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 12pt 0px 3pt 0px;"&gt;&lt;b&gt;Equity sectors&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Information Technology&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;40.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Financials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;13.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Health Care&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;11.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Industrials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;10.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Discretionary&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Communication Services&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Consumer Staples&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Utilities&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Materials&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: left; vertical-align: bottom; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Real Estate&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;0.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="font-family: 'arial'; font-weight: normal; color: rgb(0, 0, 0); font-size: 8pt; margin: 0px 0px 6pt 0px;"&gt;MFS uses the Global Industry Classification Standard (GICS&lt;sup style="font-size: smaller; vertical-align: super;"&gt;&#xae;&lt;/sup&gt;) for sector/industry reporting. MFS has applied its own internal sector/industry classification methodology for equity securities and non-equity securities that are unclassified by GICS.&lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_EquityMember"
      decimals="4"
      id="h_222_17758706_7315_41fe_8c08_eb6339abb9bf"
      unitRef="pure">0.991</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_223_39039bd5_fef6_42c0_b31a_5fa94abc285b"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_224_9ba67cca_b99e_4721_9447_c105eea68832"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_225_e78159f5_48e6_4f6d_add5_6645eb3849ee"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_HealthcareSectorMember"
      decimals="4"
      id="h_226_9b1f90ef_d1f4_4e9f_98e5_468581da526e"
      unitRef="pure">0.112</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_IndustrialSectorMember"
      decimals="4"
      id="h_227_7110e40a_825e_431b_993a_6c244c29b947"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_228_b6338d8a_d845_4897_91bd_ad3672430d0e"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_CommunicationsSectorMember"
      decimals="4"
      id="h_229_ae9c70ac_1700_4489_8608_0eed0a76b26c"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_230_74758998_2b7e_46bf_8b90_1c6390021460"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_UtilitiesSectorMember"
      decimals="4"
      id="h_231_e9aa54af_61c7_4b8e_925d_698e8c50d33f"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_MaterialsSectorMember"
      decimals="4"
      id="h_232_f649e227_628c_4a45_9d1c_daff1d0bb888"
      unitRef="pure">0.009</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_RealEstateSectorMember"
      decimals="4"
      id="h_233_99ddc056_e445_4310_b5a3_633c6a27057a"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20251201_20260531_C000112291Member"
      id="t_83_7c0cf36f_37d8_b968_fbff_2b20b088894d">
&lt;div style="font-family: 'arial'; color: rgb(0, 0, 0); letter-spacing: normal; font-size: 10pt; text-align: left; font-weight: bold; margin: 0px 0px 3pt 0px;"&gt;&lt;b&gt;Top ten holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="table-layout: auto; width: 100%; border-collapse: collapse; break-inside: avoid-page; page-break-inside: avoid;"&gt;

&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt; border-top-color: initial; border-top-style: none; border-top-width: initial;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;12.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;9.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Alphabet, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co. Ltd., ADR&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Visa, Inc., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Amphenol Corp., "A"&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Aon PLC&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="break-inside: avoid-page; page-break-inside: avoid; height: 16pt; border-bottom-color: rgb(128, 128, 128); border-bottom-style: solid; border-bottom-width: 1pt;"&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; vertical-align: bottom; text-align: left; width: auto; padding: 2pt 2pt 2pt 3pt;"&gt;Moody's Corp.&lt;/td&gt;
&lt;td style="font-weight: 400; break-inside: avoid-page; page-break-inside: avoid; font-family: 'Arial'; color: rgb(0, 0, 0); font-size: 10pt; text-align: right; vertical-align: bottom; white-space: nowrap; width: 45pt; padding: 2pt 3pt 2pt 0;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
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      id="h_235_32c197cc_793e_467d_a176_2abe98c6de07"
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      id="h_238_14989b5a_7331_4948_a1ed_2bf3366decef"
      unitRef="pure">0.048</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000112291Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_239_5cc168eb_2d38_40ef_ae11_fba0608b13eb"
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      contextRef="TI20260531_C000112291Member_VisaIncAMember"
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      id="h_241_6660ff63_fdda_44f8_8795_bb38cc891555"
      unitRef="pure">0.033</oef:PctOfTotalInv>
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      contextRef="TI20260531_C000112291Member_AonPLCMember"
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      id="h_242_045b3cc8_edf2_4511_a531_a7445c797743"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20260531_C000112291Member_MoodySCorpMember"
      decimals="4"
      id="h_243_6013d6ea_e770_4286_8d5f_990d88cebb47"
      unitRef="pure">0.024</oef:PctOfTotalInv>
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