<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5c -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#N1aCover" roleURI="http://xbrl.sec.gov/rr/role/N1aCover" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#N1aSupplement" roleURI="http://xbrl.sec.gov/rr/role/N1aSupplement" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#RiskReturn" roleURI="http://xbrl.sec.gov/rr/role/RiskReturn" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#FeesAndExpenses" roleURI="http://xbrl.sec.gov/rr/role/FeesAndExpenses" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#InvestmentStrategy" roleURI="http://xbrl.sec.gov/rr/role/InvestmentStrategy" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#InvestmentRisks" roleURI="http://xbrl.sec.gov/rr/role/InvestmentRisks" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceManagement" roleURI="http://xbrl.sec.gov/rr/role/PerformanceManagement" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ShareholderFeesData" roleURI="http://xbrl.sec.gov/rr/role/ShareholderFeesData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#OperatingExpensesData" roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ExpenseExample" roleURI="http://xbrl.sec.gov/rr/role/ExpenseExample" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ExpenseExampleNoRedemption" roleURI="http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#RiskTableData" roleURI="http://xbrl.sec.gov/rr/role/RiskTableData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#BarChartData" roleURI="http://xbrl.sec.gov/rr/role/BarChartData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceTableData" roleURI="http://xbrl.sec.gov/rr/role/PerformanceTableData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#MarketIndexPerformanceData" roleURI="http://xbrl.sec.gov/rr/role/MarketIndexPerformanceData" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#NcsrCover" roleURI="http://xbrl.sec.gov/oef/role/NcsrCover" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ShareholderReport" roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#FundExpenses" roleURI="http://xbrl.sec.gov/oef/role/FundExpenses" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ManagementsDiscussion" roleURI="http://xbrl.sec.gov/oef/role/ManagementsDiscussion" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#FundStatistics" roleURI="http://xbrl.sec.gov/oef/role/FundStatistics" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Holdings" roleURI="http://xbrl.sec.gov/oef/role/Holdings" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#MaterialFundChanges" roleURI="http://xbrl.sec.gov/oef/role/MaterialFundChanges" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Accountants" roleURI="http://xbrl.sec.gov/oef/role/Accountants" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#AvailabilityOfAdditionalInformation" roleURI="http://xbrl.sec.gov/oef/role/AvailabilityOfAdditionalInformation" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ShareholderReportLineGraphDetails" roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceDataByClass" roleURI="http://xbrl.sec.gov/oef/role/PerformanceDataByClass" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceDataByBroadBasedIndex" roleURI="http://xbrl.sec.gov/oef/role/PerformanceDataByBroadBasedIndex" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceDataByAdditionalIndex" roleURI="http://xbrl.sec.gov/oef/role/PerformanceDataByAdditionalIndex" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ShareholderReportAverageAnnualReturnDetails" roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#AverageAnnualReturnDataByClass" roleURI="http://xbrl.sec.gov/oef/role/AverageAnnualReturnDataByClass" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#AverageAnnualReturnDataByBroadBasedIndex" roleURI="http://xbrl.sec.gov/oef/role/AverageAnnualReturnDataByBroadBasedIndex" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#AverageAnnualReturnDataByAdditionalIndex" roleURI="http://xbrl.sec.gov/oef/role/AverageAnnualReturnDataByAdditionalIndex" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ShareholderReportHoldingsDetails" roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Defaults" roleURI="http://xbrl.sec.gov/oef/role/Defaults" />
    <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#Deprecated" roleURI="http://xbrl.sec.gov/oef/role/Deprecated" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/NcsrCover" xlink:title="030000 - Disclosure - Form N-CSR Cover">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareholderReportLineItems" xlink:label="loc_oefShareholderReportLineItems" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol" xlink:label="loc_deiTradingSymbol" />
      <link:presentationArc order="5.1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareholderReportLineItems" xlink:to="loc_deiTradingSymbol" xlink:type="arc" priority="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsNet" xlink:label="loc_us-gaapAssetsNet" />
      <link:presentationArc order="7.1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareholderReportLineItems" xlink:to="loc_us-gaapAssetsNet" xlink:type="arc" priority="1" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="loc_us-gaapInvestmentCompanyPortfolioTurnover" />
      <link:presentationArc order="7.2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareholderReportLineItems" xlink:to="loc_us-gaapInvestmentCompanyPortfolioTurnover" xlink:type="arc" priority="1" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:title="030001 - Disclosure - Shareholder Report">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareholderReportLineItems" xlink:label="loc_oefShareholderReportLineItems" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:title="040010 - Disclosure - Shareholder Report, Line Graph (Details)">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AccountValueLineItems" xlink:label="loc_oefAccountValueLineItems" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:title="040015 - Disclosure - Shareholder Report, Average Annual Return (Details)">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AverageAnnualReturnLineItems" xlink:label="loc_oefAverageAnnualReturnLineItems" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:title="040020 - Disclosure - Shareholder Report, Holdings (Details)">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_HoldingsLineItems" xlink:label="loc_oefHoldingsLineItems" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain" xlink:label="loc_oefShareClassDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176575Member" xlink:label="loc_needhamC000176575Member" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176575Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010138Member" xlink:label="loc_needhamC000010138Member" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010138Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176576Member" xlink:label="loc_needhamC000176576Member" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176576Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010644Member" xlink:label="loc_needhamC000010644Member" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010644Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176577Member" xlink:label="loc_needhamC000176577Member" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176577Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010645Member" xlink:label="loc_needhamC000010645Member" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010645Member" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain" xlink:label="loc_oefShareClassDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176575Member" xlink:label="loc_needhamC000176575Member" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176575Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010138Member" xlink:label="loc_needhamC000010138Member" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010138Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176576Member" xlink:label="loc_needhamC000176576Member" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176576Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010644Member" xlink:label="loc_needhamC000010644Member" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010644Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176577Member" xlink:label="loc_needhamC000176577Member" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176577Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010645Member" xlink:label="loc_needhamC000010645Member" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010645Member" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_BroadBasedIndexDomain" xlink:label="loc_oefBroadBasedIndexDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AdditionalIndexDomain" xlink:label="loc_oefAdditionalIndexDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1060" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1070" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain" xlink:label="loc_oefShareClassDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176575Member" xlink:label="loc_needhamC000176575Member" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176575Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010138Member" xlink:label="loc_needhamC000010138Member" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010138Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176576Member" xlink:label="loc_needhamC000176576Member" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176576Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010644Member" xlink:label="loc_needhamC000010644Member" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010644Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176577Member" xlink:label="loc_needhamC000176577Member" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176577Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010645Member" xlink:label="loc_needhamC000010645Member" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010645Member" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_BroadBasedIndexDomain" xlink:label="loc_oefBroadBasedIndexDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell3000IndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefBroadBasedIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell3000IndexMember" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AdditionalIndexDomain" xlink:label="loc_oefAdditionalIndexDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassRussellMidcapGrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" xlink:label="loc_needhamNeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundInstitutionalClassSampPMidCap400GrowthMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassRussellMidcapGrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" xlink:label="loc_needhamNeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamGrowthFundRetailClassSampPMidCap400GrowthMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamAggressiveGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1060" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundInstitutionalClassRussell2000GrowthIndexMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:label="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" />
      <link:presentationArc order="1070" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefAdditionalIndexDomain" xlink:to="loc_needhamNeedhamSmallCapGrowthFundRetailClassRussell2000GrowthIndexMember" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain" xlink:label="loc_oefShareClassDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176575Member" xlink:label="loc_needhamC000176575Member" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176575Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010138Member" xlink:label="loc_needhamC000010138Member" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010138Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176576Member" xlink:label="loc_needhamC000176576Member" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176576Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010644Member" xlink:label="loc_needhamC000010644Member" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010644Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000176577Member" xlink:label="loc_needhamC000176577Member" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000176577Member" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_C000010645Member" xlink:label="loc_needhamC000010645Member" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefShareClassDomain" xlink:to="loc_needhamC000010645Member" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_IndustrySectorDomain" xlink:label="loc_oefIndustrySectorDomain" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_InformationTechnologyMember" xlink:label="loc_needhamInformationTechnologyMember" />
      <link:presentationArc order="1000" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamInformationTechnologyMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_IndustrialsMember" xlink:label="loc_needhamIndustrialsMember" />
      <link:presentationArc order="1010" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamIndustrialsMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_HealthCareMember" xlink:label="loc_us-gaapHealthCareMember" />
      <link:presentationArc order="1020" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_us-gaapHealthCareMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CommunicationServicesMember" xlink:label="loc_needhamCommunicationServicesMember" />
      <link:presentationArc order="1030" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamCommunicationServicesMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_ConsumerDiscretionaryMember" xlink:label="loc_needhamConsumerDiscretionaryMember" />
      <link:presentationArc order="1040" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamConsumerDiscretionaryMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_FinancialsMember" xlink:label="loc_needhamFinancialsMember" />
      <link:presentationArc order="1050" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamFinancialsMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_MaterialsMember" xlink:label="loc_needhamMaterialsMember" />
      <link:presentationArc order="1060" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamMaterialsMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RealEstateMember" xlink:label="loc_us-gaapRealEstateMember" />
      <link:presentationArc order="1070" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_us-gaapRealEstateMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_EnergyMember" xlink:label="loc_needhamEnergyMember" />
      <link:presentationArc order="1080" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamEnergyMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CashampOtherMember" xlink:label="loc_needhamCashampOtherMember" />
      <link:presentationArc order="1090" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamCashampOtherMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_ConsumerStaplesMember" xlink:label="loc_needhamConsumerStaplesMember" />
      <link:presentationArc order="1100" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamConsumerStaplesMember" xlink:type="arc" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_UtilitiesMember" xlink:label="loc_needhamUtilitiesMember" />
      <link:presentationArc order="1110" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_oefIndustrySectorDomain" xlink:to="loc_needhamUtilitiesMember" xlink:type="arc" />
    </link:presentationLink>
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" />
    <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaapInvestmentTypeCategorizationMember" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_DreyfusTreasurySecuritiesCashManagementMember" xlink:label="loc_needhamDreyfusTreasurySecuritiesCashManagementMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamDreyfusTreasurySecuritiesCashManagementMember" order="2000" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_PDFSolutionsIncMember" xlink:label="loc_needhamPDFSolutionsIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamPDFSolutionsIncMember" order="2010" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CorningIncMember" xlink:label="loc_needhamCorningIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamCorningIncMember" order="2020" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_LamResearchCorpMember" xlink:label="loc_needhamLamResearchCorpMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamLamResearchCorpMember" order="2030" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_VicorCorpMember" xlink:label="loc_needhamVicorCorpMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamVicorCorpMember" order="2040" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_VishayIntertechnologyIncMember" xlink:label="loc_needhamVishayIntertechnologyIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamVishayIntertechnologyIncMember" order="2050" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_FormFactorIncMember" xlink:label="loc_needhamFormFactorIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamFormFactorIncMember" order="2060" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_MarvellTechnologyIncMember" xlink:label="loc_needhamMarvellTechnologyIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamMarvellTechnologyIncMember" order="2070" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_MKSIncMember" xlink:label="loc_needhamMKSIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamMKSIncMember" order="2080" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_VertivHoldingsCoMember" xlink:label="loc_needhamVertivHoldingsCoMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamVertivHoldingsCoMember" order="2090" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_ArterisIncMember" xlink:label="loc_needhamArterisIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamArterisIncMember" order="2100" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_NLightIncMember" xlink:label="loc_needhamNLightIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamNLightIncMember" order="2110" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_VishayPrecisionGroupIncMember" xlink:label="loc_needhamVishayPrecisionGroupIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamVishayPrecisionGroupIncMember" order="2120" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CECOEnvironmentalCorpMember" xlink:label="loc_needhamCECOEnvironmentalCorpMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamCECOEnvironmentalCorpMember" order="2130" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_OilDriCorpofAmericaMember" xlink:label="loc_needhamOilDriCorpofAmericaMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamOilDriCorpofAmericaMember" order="2140" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_BadgerMeterIncMember" xlink:label="loc_needhamBadgerMeterIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamBadgerMeterIncMember" order="2150" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_AmbarellaIncMember" xlink:label="loc_needhamAmbarellaIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamAmbarellaIncMember" order="2160" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_HarmonicIncMember" xlink:label="loc_needhamHarmonicIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamHarmonicIncMember" order="2170" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_VeecoInstrumentsIncMember" xlink:label="loc_needhamVeecoInstrumentsIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamVeecoInstrumentsIncMember" order="2180" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CalixIncMember" xlink:label="loc_needhamCalixIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamCalixIncMember" order="2190" />
      <link:loc xlink:type="locator" xlink:href="needham-20260630.xsd#needham_CEVAIncMember" xlink:label="loc_needhamCEVAIncMember" />
      <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapInvestmentTypeCategorizationMember" xlink:to="loc_needhamCEVAIncMember" order="2200" />
    </link:presentationLink>
</link:linkbase>
