MATRIX SVC CO

Ticker: MTRX CUSIP: 576853105 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.3,686,785$43,135
VANGUARD GROUP INC1,526,777$17,863
NEEDHAM INVESTMENT MANAGEMENT LLC1,435,000$16,790
GENDELL JEFFREY L1,057,561$12,373
WESTERLY CAPITAL MANAGEMENT, LLC988,000$11,560
AMERICAN CENTURY COMPANIES INC883,565$10,338
Harvey Partners, LLC852,678$9,976
Azarias Capital Management, L.P.730,767$8,550
DIMENSIONAL FUND ADVISORS LP668,738$7,824
GEODE CAPITAL MANAGEMENT, LLC667,970$7,817
First Eagle Investment Management, LLC640,083$7,489
CenterBook Partners LP634,046$7,418
FIRST WILSHIRE SECURITIES MANAGEMENT INC613,017$7,172
STATE STREET CORP533,485$6,242
Bank of New York Mellon Corp493,629$5,775
MILLENNIUM MANAGEMENT LLC486,668$5,694
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP405,610$4,746
Russell Investments Group, Ltd.391,890$4,585
Connor, Clark & Lunn Investment Management Ltd.386,637$4,524
AQR CAPITAL MANAGEMENT LLC365,238$4,273
JACOBS LEVY EQUITY MANAGEMENT, INC326,233$3,817
ACADIAN ASSET MANAGEMENT LLC297,789$3
MORGAN STANLEY290,322$3,397
GOLDMAN SACHS GROUP INC287,366$3,362
JPMORGAN CHASE & CO260,573$3,049
De Lisle Partners LLP257,935$3,019
RENAISSANCE TECHNOLOGIES LLC250,600$2,932
CITADEL ADVISORS LLC228,409$2,672
OBERWEIS ASSET MANAGEMENT INC/226,575$2,651
NORTHERN TRUST CORP226,247$2,647
Qube Research & Technologies Ltd225,475$2,638
GSA CAPITAL PARTNERS LLP212,213$2
TWO SIGMA INVESTMENTS, LP200,710$2,348
ALGERT GLOBAL LLC182,815$2
Stanley-Laman Group, Ltd.181,563$2,124
PANAGORA ASSET MANAGEMENT INC146,252$1,711
COUNTRY TRUST BANK132,662$1,552
ROYCE & ASSOCIATES LP120,782$1,413
ALLIANCEBERNSTEIN L.P.118,170$1,383
Point72 Asset Management, L.P.115,788$1,355
JANE STREET GROUP, LLC109,608$1,282
VICTORY CAPITAL MANAGEMENT INC109,517$1,281
MONEY CONCEPTS CAPITAL CORP104,561$1,223
BNP PARIBAS ARBITRAGE, SA102,820$1,203
D. E. Shaw & Co., Inc.100,395$1,175
Congruence Capital, LLC93,196$1,090
PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C.90,400$1,058
TWO SIGMA ADVISERS, LP88,800$1,039
WINTON GROUP Ltd85,911$1,005
MARTINGALE ASSET MANAGEMENT L P82,152$961
CHARLES SCHWAB INVESTMENT MANAGEMENT INC78,435$918
AMERIPRISE FINANCIAL INC74,522$872
CARY STREET PARTNERS FINANCIAL LLC74,305$869
BARCLAYS PLC63,260$740
Nuveen, LLC57,576$674
Man Group plc55,929$654
Jump Financial, LLC54,811$641
PRICE T ROWE ASSOCIATES INC /MD/53,212$1
Boston Partners52,505$614
Invesco Ltd.51,944$608
LOS ANGELES CAPITAL MANAGEMENT LLC51,500$771
XTX Topco Ltd48,808$571
Financial Plan, Inc.47,615$557
WELLS FARGO & COMPANY/MN47,290$553
STRS OHIO47,000$550
Trexquant Investment LP41,395$484
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC40,493$474
Voya Investment Management LLC38,957$456
Pacific Ridge Capital Partners, LLC37,305$436
PharVision Advisers, LLC35,826$419
STATE OF WISCONSIN INVESTMENT BOARD35,500$415
UBS Group AG35,477$415
RHUMBLINE ADVISERS33,709$394
MARSHALL WACE, LLP31,472$368
ROYAL BANK OF CANADA28,856$338
Creative Planning28,428$333
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO27,454$321
Integrated Quantitative Investments LLC27,447$321
ExodusPoint Capital Management, LP27,011$316
Assenagon Asset Management S.A.26,618$311
EntryPoint Capital, LLC25,380$297
OXFORD ASSET MANAGEMENT LLP25,080$293
BANK OF AMERICA CORP /DE/24,847$291
BRIDGEWAY CAPITAL MANAGEMENT, LLC24,000$281
VERUS CAPITAL PARTNERS, LLC23,000$269
OSAIC HOLDINGS, INC.22,453$263
Bridge City Capital, LLC21,979$257
DEUTSCHE BANK AG\20,831$244
FRANKLIN RESOURCES INC20,720$242
State of Wyoming18,023$211
AlphaQuest LLC17,779$208
Saturna Capital CORP17,606$206
PRUDENTIAL FINANCIAL INC16,319$191
Allspring Global Investments Holdings, LLC15,519$187
MetLife Investment Management, LLC15,180$178
OCCUDO QUANTITATIVE STRATEGIES LP15,131$177
Greenhaven Road Investment Management, L.P.13,969$163
Brevan Howard Capital Management LP12,600$147
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.12,589$147
Squarepoint Ops LLC11,568$135
43 other institutions105,752$1,053
Total (143 institutions)24,538,968$278,380