<SEC-DOCUMENT>0000919574-25-001244.txt : 20250213
<SEC-HEADER>0000919574-25-001244.hdr.sgml : 20250213
<ACCEPTANCE-DATETIME>20250213191620
ACCESSION NUMBER:		0000919574-25-001244
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20250213
DATE AS OF CHANGE:		20250213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MATRIX SERVICE CO
		CENTRAL INDEX KEY:			0000866273
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		IRS NUMBER:				731352174
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-41526
		FILM NUMBER:		25622340

	BUSINESS ADDRESS:	
		STREET 1:		15 EAST 5TH STREET
		STREET 2:		SUITE 1100
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
		BUSINESS PHONE:		9188388822

	MAIL ADDRESS:	
		STREET 1:		15 EAST 5TH STREET
		STREET 2:		SUITE 1100
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEEDHAM INVESTMENT MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001167212
		ORGANIZATION NAME:           	
		IRS NUMBER:				223408336
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G

	BUSINESS ADDRESS:	
		STREET 1:		250 PARK AVENUE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10177
		BUSINESS PHONE:		212-705-0404

	MAIL ADDRESS:	
		STREET 1:		250 PARK AVENUE, 10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10177
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>SCHEDULE 13G</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: NEEDHAM INVESTMENT MANAGEMENT LLC -->
          <cik>0001167212</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <securitiesClassTitle>Common Stock, par value $0.01 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>12/31/2024</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0000866273</issuerCik>
        <issuerName>MATRIX SERVICE CO</issuerName>
        <issuerCusip>576853105</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>15 East 5th Street</com:street1>
          <com:street2>Suite 1100</com:street2>
          <com:city>Tulsa</com:city>
          <com:stateOrCountry>OK</com:stateOrCountry>
          <com:zipCode>74103</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>NEEDHAM INVESTMENT MANAGEMENT LLC</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1420000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1420000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1420000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.15</classPercent>
      <typeOfReportingPerson>IA</typeOfReportingPerson>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>

      <reportingPersonName>NEEDHAM ASSET MANAGEMENT, LLC</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1420000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1420000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1420000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.15</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>NEEDHAM AGGRESSIVE GROWTH FUND</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>MD</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1420000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1420000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1420000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.15</classPercent>
      <typeOfReportingPerson>IV</typeOfReportingPerson>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>GEORGE A. NEEDHAM</reportingPersonName>
      <memberGroup>b</memberGroup>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1420000.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1420000.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1420000.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.15</classPercent>
      <typeOfReportingPerson>HC</typeOfReportingPerson>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>MATRIX SERVICE CO</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>15 E. 5th Street, Suite 1100, Tulsa, Oklahoma 74103, United States of America</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Needham Investment Management L.L.C.
Needham Asset Management, LLC
Needham Aggressive Growth Fund
George A. Needham</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America

Needham Asset Management, LLC
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America

Needham Aggressive Growth Fund
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America

George A. Needham
c/o Needham Investment Management L.L.C.
250 Park Avenue, 10th Floor
New York, New York 10117-1099
United States of America</principalBusinessOfficeOrResidenceAddress>
        <citizenship>Needham Investment Management L.L.C. - Delaware
Needham Asset Management, LLC - Delaware
Needham Aggressive Growth Fund - Maryland
George A. Needham - United States</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>Needham Investment Management L.L.C. - 1,420,000
Needham Asset Management, LLC - 1,420,000
Needham Aggressive Growth Fund - 1,420,000
George A. Needham - 1,420,000</amountBeneficiallyOwned>
        <classPercent>Needham Investment Management L.L.C. - 5.15%
Needham Asset Management, LLC - 5.15%
Needham Aggressive Growth Fund - 5.15%
George A. Needham - 5.15%</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>Needham Investment Management L.L.C. - 0
Needham Asset Management, LLC - 0
Needham Aggressive Growth Fund - 0
George A. Needham - 0</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>Needham Investment Management L.L.C. - 1,420,000
Needham Asset Management, LLC - 1,420,000
Needham Aggressive Growth Fund - 1,420,000
George A. Needham - 1,420,000</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>Needham Investment Management L.L.C. - 0
Needham Asset Management, LLC - 0
Needham Aggressive Growth Fund - 0
George A. Needham - 0</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>Needham Investment Management L.L.C. - 1,420,000
Needham Asset Management, LLC - 1,420,000
Needham Aggressive Growth Fund - 1,420,000
George A. Needham - 1,420,000</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>N</notApplicableFlag>
        <ownershipMoreThan5PercentOnBehalfOfAnotherPerson>All of the securities reported in this Schedule 13G are directly owned by advisory clients of Needham Investment Management L.L.C. None of those advisory clients, other than Needham Aggressive Growth Fund, may be deemed to beneficially own more than 5% of the Common Stock, $0.01 par value.</ownershipMoreThan5PercentOnBehalfOfAnotherPerson>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <exhibitInfo>[Exhibit A - Joint Filing Agreement]</exhibitInfo>
    <signatureInformation>
      <reportingPersonName>NEEDHAM INVESTMENT MANAGEMENT LLC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ James W. Giangrasso</signature>
        <title>James W. Giangrasso, Chief Financial Officer</title>
        <date>02/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>NEEDHAM ASSET MANAGEMENT, LLC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ James W. Giangrasso</signature>
        <title>James W. Giangrasso, Authorized Person</title>
        <date>02/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>NEEDHAM AGGRESSIVE GROWTH FUND</reportingPersonName>
      <signatureDetails>
        <signature>/s/ James W. Giangrasso</signature>
        <title>James W. Giangrasso, Chief Financial Officer</title>
        <date>02/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>GEORGE A. NEEDHAM</reportingPersonName>
      <signatureDetails>
        <signature>/s/ George A. Needham</signature>
        <title>George A. Needham</title>
        <date>02/14/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureComments>* Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.</signatureComments>
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<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>d11602795_ex99-a.htm
<TEXT>
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<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: right"><U>Exhibit A</U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><U>JOINT FILING AGREEMENT</U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">The undersigned agree that
this Schedule 13G dated February 14, 2025 relating to the Common Stock, par value $0.01 per share, of MATRIX SERVICE CO shall be filed
on behalf of the undersigned.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">NEEDHAM INVESTMENT MANAGEMENT L.L.C.</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">By: /s/ James W. Giangrasso</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Name: James W. Giangrasso</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Title:&nbsp;&nbsp;&nbsp;Chief Financial Officer</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">NEEDHAM ASSET MANAGEMENT, LLC</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">By: /s/ James W. Giangrasso</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Name: James W. Giangrasso</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Title:&nbsp;&nbsp;&nbsp;Authorized Person</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">NEEDHAM AGGRESSIVE GROWTH FUND</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">By: /s/ James W. Giangrasso</P></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Name: James W. Giangrasso</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 24pt; font: 12pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 11pt">Title:&nbsp;&nbsp;&nbsp;Chief Financial Officer</FONT></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">GEORGE A. NEEDHAM</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
    <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">By: /s/ George A. Needham</P></TD></TR>
  </TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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