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Disclosery

MTRX MATRIX SVC CO

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COM (common), issuer CIK 866273

139 managers (144 13F filers) reported a position in MTRX shares at 2026-03-31, 24,270,532 shares in all. 17 filers opened a position and 19 filers sold out during the quarter.

Managers
139
13F filers
144
New
17
Added
63
Reduced
46
Sold out
19
Shares held by filers
24,270,532

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,014,217$23.1M<0.01%-1,672,56813F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding1,577,906$18.1MnewTimeline
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…1,435,000$16.5M0.84%013F-HRTimelineGroup
GENDELL JEFFREY Lin group GENDELL JEFFREY L1,231,307$14.1M0.19%+173,74613F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC981,639$11.3M0.01%+98,07413F-HRTimelineGroup
WESTERLY CAPITAL MANAGEMENT, LLC965,000$11.1M3.41%-23,00013F-HRTimeline
Harvey Partners, LLC905,000$10.4M0.84%+52,32213F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…850,809$9.77M0.02%+210,72613F-HR/ATimelineGroup
Azarias Capital Management, L.P.817,021$9.38M4.2%+86,25413F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC685,373$7.87M<0.01%+17,40313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP663,939$7.62M<0.01%-4,79913F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP637,691$7.32M0.01%+436,98113F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP545,485$6.26M<0.01%+12,00013F-HRTimelineGroup
FIRST WILSHIRE SECURITIES MANAGEMENT INC522,838$6M1.35%-90,17913F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC498,941$5.73M<0.01%+133,70313F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC476,411$5.47M<0.01%-10,25713F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC476,089$5.46M0.01%+178,30013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC472,047$5.42M<0.01%+243,63813F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp466,897$5.36M<0.01%-26,73213F-HRTimelineGroup
CenterBook Partners LP431,425$4.95M0.27%-202,62113F-HRTimeline
Connor, Clark & Lunn Investment Managem…363,108$4.17M0.01%-23,52913F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…356,785$4.1M<0.01%-35,10513F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC350,987$4.03M0.02%+24,75413F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP313,296$3.6M<0.01%+281,82413F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC313,175$3.6M<0.01%+203,56713F-HRTimelineGroup
CONGRUENCE CAPITAL, LLC304,145$3.49M1.17%+210,94913F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY302,698$3.47M<0.01%+12,37613F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC272,390$3.13M<0.01%-14,97613F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO275,307$3.06M<0.01%+14,73413F-HR/ATimelineGroup
De Lisle Partners LLP258,790$2.97M0.35%+85513F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC255,800$2.94M<0.01%+5,20013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP240,552$2.76M<0.01%+14,30513F-HRTimelineGroup
Qube Research & Technologies Ltd220,576$2.53M<0.01%-4,89913F-HRTimeline
ALGERT GLOBAL LLC192,525$2.21M0.03%+9,71013F-HR/ATimeline
GSA CAPITAL PARTNERS LLP185,534$2.13M0.13%-26,67913F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS171,592$1.97M<0.01%+68,77213F-HRTimelineGroup
COUNTRY TRUST BANK165,237$1.9M0.04%+32,57513F-HRTimeline
PANAGORA ASSET MANAGEMENT INC156,268$1.79M0.01%+10,01613F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …143,817$1.65M<0.01%-261,79313F-HRTimelineGroup
Prescott Group Capital Management, L.L.…123,392$1.42M0.14%+32,99213F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC120,951$1.39M<0.01%+11,43413F-HRTimeline
ALLIANCEBERNSTEIN L.P.113,740$1.33M<0.01%-4,43013F-HRTimeline
MONEY CONCEPTS CAPITAL CORP104,249$1.2M0.07%-31213F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA100,697$1.16M<0.01%+71,84113F-HRTimelineGroup
HRT FINANCIAL LP96,316$1.1M<0.01%new13F-HRTimeline
CARY STREET PARTNERS FINANCIAL LLCin group CARY STREET PARTNERS ASSET MA…94,040$1.08M0.03%+19,73513F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …81,919$963K<0.01%+66,40013F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC78,600$902K0.01%+23,78913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co70,788$813K<0.01%-7,64713F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.69,541$798K<0.01%-30,85413F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd69,145$794K0.01%+20,33713F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC67,170$771K<0.01%-7,35213F-HR/ATimelineGroup
ExodusPoint Capital Management, LP63,717$731K0.01%+36,70613F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/63,191$726K<0.01%+9,97913F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P57,505$660K0.02%-24,64713F-HRTimeline
Pacific Ridge Capital Partners, LLC54,402$625K0.14%+17,09713F-HRTimeline
STRS OHIO54,200$622K<0.01%+7,20013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC52,764$606K<0.01%+41,19613F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp52,707$605K<0.01%+20213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.51,771$594K<0.01%-17313F-HRTimelineGroup
Financial Plan, Inc.47,615$547K0.06%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding43,645$501K+3,152Timeline
WINTON GROUP Ltdin group WINTON GROUP Ltd43,029$494K0.02%-42,88213F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/42,223$485K<0.01%+17,37613F-HRTimelineGroup
Nuveen, LLCin group TIAA41,516$477K<0.01%-16,06013F-HRTimelineGroup
Man Group plcin group Man Group plc38,821$446K<0.01%-17,10813F-HRTimelineGroup
EntryPoint Capital, LLC38,821$446K0.13%+13,44113F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC38,723$445K<0.01%-23413F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…36,109$415K<0.01%+8,65513F-HRTimeline
Quantbot Technologies LP35,965$413K0.02%+32,02813F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC34,000$390K0.01%+10,00013F-HRTimeline
RHUMBLINE ADVISERS33,608$386K<0.01%-10113F-HRTimeline
Dynamic Technology Lab Private Ltd33,602$386K0.06%new13F-HRTimeline
UBS Group AGgroup of 2 filers holding31,906$366K-4,107Timeline
Bridge City Capital, LLC31,000$356K0.1%+9,02113F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…30,072$345K<0.01%+17,47213F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN27,222$313K<0.01%-20,06813F-HR/ATimelineGroup
Assenagon Asset Management S.A.26,618$306K<0.01%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC26,214$301K<0.01%-37,04613F-HRTimelineGroup
BAILARD, INC.24,700$284K0.01%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\24,410$280K<0.01%+3,57913F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC24,124$277K<0.01%new13F-HR/ATimelineGroup
Aquatic Capital Management LLC23,024$264K0.01%+14,71413F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.22,262$256K<0.01%-93,52613F-HRTimelineGroup
VERUS CAPITAL PARTNERS, LLC20,900$240K0.02%+9,40013F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd20,730$238K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.20,535$236K<0.01%-1,91813F-HRTimelineGroup
Creative Planningin group Creative Planning20,311$233K<0.01%-8,11713F-HRTimelineGroup
IEQ CAPITAL, LLC19,474$224K<0.01%new13F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP16,224$219K0.01%+1,09313F-HRTimeline
SATURNA CAPITAL CORP17,606$202K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC16,054$184K<0.01%+4,61013F-HRTimelineGroup
KETTLE HILL CAPITAL MANAGEMENT, LLC15,005$172K0.04%new13F-HRTimeline
Greenhaven Road Investment Management, …13,969$160K0.11%013F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…12,895$148K<0.01%+30613F-HRTimelineGroup
AXQ CAPITAL, LP12,364$142K0.02%new13F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC11,516$132K<0.01%-39,98413F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD11,300$130K<0.01%+1,80013F-HRTimeline
CWM, LLCin group CWM, LLC11,263$129K<0.01%+4,95213F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC11,079$127K<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…10,687$123K<0.01%-4,49313F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC10,377$119K<0.01%new13F-HRTimelineGroup
State of Wyoming9,686$111K0.01%-8,33713F-HRTimeline
Police & Firemen's Retirement System of…7,820$89.8K<0.01%013F-HRTimeline
Daytona Street Capital LLC6,700$79.4K0.06%013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND6,600$75.8K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…5,595$64K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,586$52.6K<0.01%+3,79713F-HRTimelineGroup
BOKF, NAin group BOKF, NA2,923$33.6K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,591$29.7K<0.01%013F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…2,421$28K<0.01%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc2,431$27.9K<0.01%-12513F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…2,235$25.7K<0.01%+15813F-HR/ATimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,467$16.8K<0.01%-20213F-HRTimeline
Sterling Capital Management LLC731$8.39K<0.01%-51313F-HRTimeline
FMR LLCin group FMR LLC708$8.13K<0.01%-1,64813F-HRTimelineGroup
MAI Capital Management664$7.62K<0.01%+64613F-HRTimeline
Covestor Ltd627$7K<0.01%+3213F-HRTimeline
GAMMA Investing LLC363$4.17K<0.01%-7613F-HRTimeline
Essential Partners LLC276$3.17K<0.01%-9213F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.266$3.05K<0.01%+8013F-HR/ATimelineGroup
Farther Finance Advisors, LLC258$3.03K<0.01%+3613F-HRTimeline
Allworth Financial LP259$2.97K<0.01%+14613F-HRTimeline
QUADRANT CAPITAL GROUP LLC211$2.42K<0.01%+17313F-HR/ATimeline
True Wealth Design, LLC204$2.34K<0.01%-3913F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP175$1.99K<0.01%013F-HRTimelineGroup
ROTHSCHILD INVESTMENT LLC173$1.99K<0.01%+12513F-HRTimeline
Arax Advisory Partners147$1.69K<0.01%new13F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…103$1.18K<0.01%new13F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC76$872<0.01%-69713F-HRTimeline
Torren Management, LLC54$620<0.01%-12013F-HRTimeline
Basecamp Wealth Advisors LLC48$551<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.45$517<0.01%+3313F-HRTimeline
Root Financial Partners, LLC44$505<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust40$460<0.01%013F-HRTimeline
Wealth Preservation Advisors, LLC34$390<0.01%new13F-HRTimeline
IFP Advisors, Inc24$276<0.01%-813F-HRTimeline
Sunbelt Securities, Inc.6$69<0.01%-613F-HRTimeline
Caitong International Asset Management …1$11<0.01%new13F-HRTimeline