Class A

ALFAX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Alpha Strategy Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$23	0.43%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

For additional information about the Fund, including its Prospectus, Statement of Additional Information, financial statements, holdings and proxy information, please visit lordabbett.com/FundDocuments.

TSR-SA-265-A

06/26

Class C

ALFCX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$63	1.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-679-C

06/26

Class F

ALFFX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$15	0.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1025-F

06/26

Class F3

ALFOX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$5	0.10%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8961-F3

06/26

Class I

ALFYX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$10	0.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1429-I

06/26

Class R2

ALFQX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$41	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1095-R2

06/26

Class R3

ALFRX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$36	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-2069-R3

06/26

Class R4

ALFKX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$23	0.43%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8719-R4

06/26

Class R5

ALFTX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$10	0.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8751-R5

06/26

Class R6

ALFVX

Lord Abbett Alpha Strategy Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$5	0.10%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$664,825,239
# of Portfolio Holdings	6
Portfolio Turnover Rate	3%

Table Summary
Portfolio Holdings Presented by Portfolio Allocation	%^{Footnote Reference*}
Lord Abbett Developing Growth Fund, Inc. - Class I	20.22%
Lord Abbett Focused Small Cap Value Fund - Class I	9.99%
Lord Abbett International Opportunities Fund - Class I	19.59%
Lord Abbett Micro Cap Growth Fund - Class I	10.20%
Lord Abbett Small Cap Value Fund - Class I	20.03%
Lord Abbett Value Opportunities Fund - Class I	19.97%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8783-R6

06/26

Class A

LGCAX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Global Equity Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$46	0.90%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8810-A

06/26

Class C

LGCCX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$85	1.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8811-C

06/26

Class F

LGCFX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$39	0.75%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8812-F

06/26

Class F3

LGCOX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$29	0.56%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8994-F3

06/26

Class I

LGCYX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$33	0.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8813-I

06/26

Class R3

LGCRX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$59	1.15%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8815-R3

06/26

Class R4

LGCSX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$46	0.90%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8816-R4

06/26

Class R5

LGCVX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$33	0.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8817-R5

06/26

Class R6

LGCWX

Lord Abbett Global Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$29	0.56%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$393,914,920
# of Portfolio Holdings	85
Portfolio Turnover Rate	25%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	8.60%
Consumer Discretionary	11.00%
Consumer Staples	4.64%
Energy	3.40%
Financials	15.39%
Health Care	7.26%
Industrials	14.10%
Information Technology	31.40%
Materials	1.49%
Real Estate	0.37%
Utilities	1.03%
Repurchase Agreements	1.32%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8818-R6

06/26

Class A

LICAX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett International Equity Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$46	0.87%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1418-A

06/26

Class C

LICCX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$86	1.62%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1420-C

06/26

Class F

LICFX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$38	0.72%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1026-F

06/26

Class F3

LICOX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$30	0.56%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8975-F3

06/26

Class I

LICYX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$33	0.62%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1422-I

06/26

Class P

LICPX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class P	$54	1.02%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1421-P

06/26

Class R2

LICQX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$65	1.22%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1096-R2

06/26

Class R3

LICRX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$60	1.12%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2070-R3

06/26

Class R4

LICSX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$46	0.87%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8720-R4

06/26

Class R5

LICTX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$33	0.62%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8752-R5

06/26

Class R6

LICVX

Lord Abbett International Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$30	0.56%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$721,922,207
# of Portfolio Holdings	111
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	3.66%
Consumer Discretionary	6.30%
Consumer Staples	4.32%
Energy	3.49%
Financials	22.17%
Health Care	7.52%
Industrials	18.66%
Information Technology	21.94%
Materials	5.87%
Real Estate	0.52%
Utilities	1.78%
Repurchase Agreements	2.85%
Money Market Funds^{Footnote Reference†}	0.83%
Time Deposits^{Footnote Reference†}	0.09%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8784-R6

06/26

Class A

LFVAX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Focused Small Cap Value Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$69	1.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-272-A

06/26

Class C

LFVCX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$109	2.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9028-C

06/26

Class F

LFSFX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$55	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9029-F

06/26

Class F3

LMVOX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$53	0.98%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9030-F3

06/26

Class I

LMVYX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$55	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-699-I

06/26

Class R5

LMVVX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$55	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9034-R5

06/26

Class R6

LMVWX

Lord Abbett Focused Small Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$53	0.99%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$95,733,692
# of Portfolio Holdings	42
Portfolio Turnover Rate	32%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.39%
Consumer Discretionary	6.88%
Consumer Staples	4.06%
Energy	7.26%
Financials	25.70%
Health Care	6.57%
Industrials	22.45%
Information Technology	11.20%
Materials	8.76%
Real Estate	2.59%
Utilities	2.47%
Repurchase Agreements	0.67%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9035-R6

06/26

Class A

LFGAX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Focused Growth Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$51	1.05%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8895-A

06/26

Class C

LFGCX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$87	1.80%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8896-C

06/26

Class F

LFGFX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$39	0.80%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8897-F

06/26

Class F3

LFGOX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$34	0.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8899-F3

06/26

Class I

LFGIX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$39	0.80%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8898-I

06/26

Class R3

LFGQX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$63	1.30%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9122-R3

06/26

Class R4

LFGSX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$51	1.05%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9123-R4

06/26

Class R5

LFGTX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$39	0.80%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9124-R5

06/26

Class R6

LFGVX

Lord Abbett Focused Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$34	0.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$162,700,173
# of Portfolio Holdings	34
Portfolio Turnover Rate	75%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.58%
Consumer Discretionary	6.00%
Consumer Staples	1.20%
Financials	2.17%
Health Care	15.61%
Industrials	16.29%
Information Technology	44.69%
Repurchase Agreements	2.46%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9125-R6

06/26

Class A

LAFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Focused Large Cap Value Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$49	0.96%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9016-A

06/26

Class C

LCFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$87	1.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9017-C

06/26

Class F

LFFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$36	0.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9018-F

06/26

Class F3

LOFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$32	0.63%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9020-F3

06/26

Class I

LIFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$36	0.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9019-I

06/26

Class R3

LQFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$62	1.21%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9022-R3

06/26

Class R4

LSFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$49	0.96%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9023-R4

06/26

Class R5

LFLTX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$36	0.71%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9024-R5

06/26

Class R6

LVFLX

Lord Abbett Focused Large Cap Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$32	0.63%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$148,305,663
# of Portfolio Holdings	32
Portfolio Turnover Rate	35%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.59%
Consumer Discretionary	10.06%
Consumer Staples	5.61%
Energy	7.93%
Financials	20.49%
Health Care	11.44%
Industrials	14.17%
Information Technology	17.07%
Materials	2.91%
Real Estate	3.52%
Repurchase Agreements	1.21%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-9025-R6

06/26

Class A

LDFVX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Fundamental Equity Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$48	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-262-A

06/26

Class C

GILAX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$87	1.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-243-C

06/26

Class F

LAVFX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$41	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1024-F

06/26

Class F3

LDFOX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$32	0.62%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8970-F3

06/26

Class I

LAVYX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$35	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1403-I

06/26

Class P

LAVPX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class P	$59	1.13%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-592-P

06/26

Class R2

LAVQX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$66	1.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1094-R2

06/26

Class R3

LAVRX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$61	1.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-2068-R3

06/26

Class R4

LAVSX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$49	0.94%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8718-R4

06/26

Class R5

LAVTX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$35	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8750-R5

06/26

Class R6

LAVVX

Lord Abbett Fundamental Equity Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$32	0.62%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$2,210,839,803
# of Portfolio Holdings	57
Portfolio Turnover Rate	22%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	5.52%
Consumer Discretionary	6.97%
Consumer Staples	4.47%
Energy	8.16%
Financials	20.26%
Health Care	14.14%
Industrials	14.87%
Information Technology	14.05%
Materials	5.03%
Real Estate	1.75%
Utilities	4.31%
Repurchase Agreements	0.47%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8782-R6

06/26

Class A

LGLAX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Growth Leaders Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$44	0.90%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3335-A

06/26

Class C

LGLCX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$80	1.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3336-C

06/26

Class F

LGLFX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$31	0.64%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3337-F

06/26

Class F3

LGLOX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$28	0.57%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8971-F3

06/26

Class I

LGLIX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$31	0.64%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3338-I

06/26

Class R2

LGLQX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$61	1.25%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3339-R2

06/26

Class R3

LGLRX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$56	1.15%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-3340-R3

06/26

Class R4

LGLSX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$44	0.90%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8727-R4

06/26

Class R5

LGLUX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$32	0.65%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8759-R5

06/26

Class R6

LGLVX

Lord Abbett Growth Leaders Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$28	0.57%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$7,549,340,877
# of Portfolio Holdings	62
Portfolio Turnover Rate	50%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	11.27%
Consumer Discretionary	7.44%
Consumer Staples	0.91%
Energy	0.41%
Financials	1.28%
Health Care	13.79%
Industrials	16.81%
Information Technology	44.25%
Repurchase Agreements	3.84%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8791-R6

06/26

Class A

LHCAX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Health Care Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$51	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9126-A

06/26

Class C

LHCCX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$88	1.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9127-C

06/26

Class F

LHCFX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$39	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9128-F

06/26

Class F3

LHCOX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$34	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9130-F3

06/26

Class I

LHCIX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$39	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9129-I

06/26

Class R3

LHCQX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$63	1.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9132-R3

06/26

Class R4

LHCSX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$51	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9133-R4

06/26

Class R5

LHCTX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$39	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9134-R5

06/26

Class R6

LHCVX

Lord Abbett Health Care Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$34	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$8,118,556
# of Portfolio Holdings	64
Portfolio Turnover Rate	37%

Table Summary
Portfolio Holdings Presented by Industry	% ^{Footnote Reference*}
Biotechnology	41.41%
Health Care Equipment & Supplies	6.96%
Health Care Providers & Services	10.98%
Health Care Technology	0.85%
Life Sciences Tools & Services	4.67%
Pharmaceuticals	31.50%
Repurchase Agreements	1.75%
Money Market Funds^{Footnote Reference**}	1.69%
Time Deposits^{Footnote Reference**}	0.19%
Total	100.00%

Footnote	Description
Footnote*	Represents percent of total investments, which excludes derivatives.
Footnote**	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9135-R6

06/26

Class A

LAIEX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett International Opportunities Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$65	1.23%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-263-A

06/26

Class C

LINCX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$105	1.98%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-677-C

06/26

Class F

LINFX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$57	1.08%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1027-F

06/26

Class F3

LOIEX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$48	0.91%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8977-F3

06/26

Class I

LINYX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$52	0.98%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-686-I

06/26

Class P

LINPX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class P	$75	1.42%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-600-P

06/26

Class R2

LINQX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$84	1.58%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-1097-R2

06/26

Class R3

LINRX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$79	1.48%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2071-R3

06/26

Class R4

LINSX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$65	1.23%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8721-R4

06/26

Class R5

LINTX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$52	0.98%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8753-R5

06/26

Class R6

LINVX

Lord Abbett International Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$48	0.91%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$347,439,022
# of Portfolio Holdings	108
Portfolio Turnover Rate	67%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	1.33%
Consumer Discretionary	8.74%
Consumer Staples	3.92%
Energy	6.27%
Financials	9.86%
Health Care	5.43%
Industrials	32.29%
Information Technology	19.03%
Materials	8.25%
Real Estate	2.57%
Utilities	0.77%
Repurchase Agreements	0.84%
Money Market Funds^{Footnote Reference†}	0.63%
Time Deposits^{Footnote Reference†}	0.07%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8785-R6

06/26

Class A

LIDAX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett International Value Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$49	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2117-A

06/26

Class C

LIDCX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$89	1.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2119-C

06/26

Class F

LIDFX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$41	0.78%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2121-F

06/26

Class F3

LIDOX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$32	0.61%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8976-F3

06/26

Class I

LAIDX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$36	0.68%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2120-I

06/26

Class R2

LIDRX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$68	1.28%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2122-R2

06/26

Class R3

LIRRX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$63	1.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-2123-R3

06/26

Class R4

LIRSX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$49	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8725-R4

06/26

Class R5

LIRTX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$35	0.66%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8757-R5

06/26

Class R6

LIRVX

Lord Abbett International Value Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$32	0.61%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$514,883,210
# of Portfolio Holdings	81
Portfolio Turnover Rate	34%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.91%
Consumer Discretionary	4.67%
Consumer Staples	6.11%
Energy	6.83%
Financials	34.37%
Health Care	7.23%
Industrials	13.19%
Information Technology	7.21%
Materials	7.69%
Utilities	5.44%
Repurchase Agreements	3.05%
Money Market Funds^{Footnote Reference†}	1.17%
Time Deposits^{Footnote Reference†}	0.13%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-8789-R6

06/26

Class A

LAMGX

Lord Abbett Micro Cap Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Micro Cap Growth Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$71	1.36%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$203,608,823
# of Portfolio Holdings	82
Portfolio Turnover Rate	46%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.96%
Consumer Discretionary	7.97%
Consumer Staples	3.28%
Financials	6.85%
Health Care	27.16%
Industrials	23.47%
Information Technology	19.54%
Repurchase Agreements	1.32%
Money Market Funds^{Footnote Reference†}	6.70%
Time Deposits^{Footnote Reference†}	0.75%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-271-A

06/26

Class C

LCMGX

Lord Abbett Micro Cap Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$111	2.11%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$203,608,823
# of Portfolio Holdings	82
Portfolio Turnover Rate	46%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.96%
Consumer Discretionary	7.97%
Consumer Staples	3.28%
Financials	6.85%
Health Care	27.16%
Industrials	23.47%
Information Technology	19.54%
Repurchase Agreements	1.32%
Money Market Funds^{Footnote Reference†}	6.70%
Time Deposits^{Footnote Reference†}	0.75%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9069-C

06/26

Class F

LFMGX

Lord Abbett Micro Cap Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$58	1.11%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$203,608,823
# of Portfolio Holdings	82
Portfolio Turnover Rate	46%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.96%
Consumer Discretionary	7.97%
Consumer Staples	3.28%
Financials	6.85%
Health Care	27.16%
Industrials	23.47%
Information Technology	19.54%
Repurchase Agreements	1.32%
Money Market Funds^{Footnote Reference†}	6.70%
Time Deposits^{Footnote Reference†}	0.75%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-9070-F

06/26

Class I

LMIYX

Lord Abbett Micro Cap Growth Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$58	1.11%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$203,608,823
# of Portfolio Holdings	82
Portfolio Turnover Rate	46%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Communication Services	2.96%
Consumer Discretionary	7.97%
Consumer Staples	3.28%
Financials	6.85%
Health Care	27.16%
Industrials	23.47%
Information Technology	19.54%
Repurchase Agreements	1.32%
Money Market Funds^{Footnote Reference†}	6.70%
Time Deposits^{Footnote Reference†}	0.75%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.
Footnote†	Securities were purchased with the cash collateral from loaned securities.

Where can I find additional information about the Fund?

TSR-SA-700-I

06/26

Class A

LVOAX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

This semi-annual shareholder report contains important information about the Lord Abbett Value Opportunities Fund for the period of November 1, 2025 to April 30, 2026. You can find additional information about the Fund at lordabbett.com/FundDocuments. You can also request this information by contacting us at 888-522-2388.

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class A	$62	1.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-580-A

06/26

Class C

LVOCX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class C	$102	1.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-586-C

06/26

Class F

LVOFX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F	$54	1.03%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-1029-F

06/26

Class F3

LVOOX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class F3	$44	0.84%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8983-F3

06/26

Class I

LVOYX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class I	$49	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-594-I

06/26

Class P

LVOPX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class P	$73	1.38%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-595-P

06/26

Class R2

LVOQX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R2	$81	1.53%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-2043-R2

06/26

Class R3

LVORX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R3	$76	1.43%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-2073-R3

06/26

Class R4

LVOSX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R4	$62	1.18%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8722-R4

06/26

Class R5

LVOTX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R5	$49	0.93%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8754-R5

06/26

Class R6

LVOVX

Lord Abbett Value Opportunities Fund

Semi-Annual Shareholder Report

April 30, 2026

lordabbett.com/FundDocuments

What were the Fund costs for the last period?

(based on a hypothetical $10,000 investment)

Table Summary
Class Name	Costs of a $10,000 investment	Costs paid as a percentage of a $10,000 investment
Class R6	$44	0.84%^{Footnote Reference(a)}

Footnote	Description
Footnote^(a)	Annualized.

What did the Fund invest in?

(as of April 30, 2026)

Key Fund Statistics

(as of April 30, 2026)

Table Summary
Total Net Assets	$1,133,631,545
# of Portfolio Holdings	64
Portfolio Turnover Rate	16%

Table Summary
Portfolio Holdings Presented by Sector^{Footnote Reference*}	% ^{Footnote Reference**}
Consumer Discretionary	9.19%
Consumer Staples	4.35%
Energy	6.10%
Financials	18.30%
Health Care	8.61%
Industrials	24.85%
Information Technology	18.67%
Materials	4.77%
Real Estate	1.52%
Utilities	3.03%
Repurchase Agreements	0.61%
Total	100.00%

Footnote	Description
Footnote*	A sector may comprise several industries.
Footnote**	Represents percent of total investments, which excludes derivatives.

Where can I find additional information about the Fund?

TSR-SA-8786-R6

06/26

The following is a summary of the inputs used as of April 30, 2026 in valuing the Fund’s investments carried at fair value⁽¹⁾:

A reconciliation of Level 3 investments is presented when the Fund has a material amount of Level 3 investments at the beginning or end of the period in relation to the Fund’s net assets.