Matrix ServiceMTRX

13F holders, Q1 2026 (March 31)
144holders
17new positions
17sold out
6famous investors
$11.48avg. 13F price*

At the end of Q1 2026, 144 institutions reported holding Matrix Service Co. (MTRX) in their 13F filings, unchanged from Q4 2025. 17 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($23.1M), Needham Investment Management LLC ($16.5M) and Gendell Jeffrey L ($14.1M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Matrix Service Co.
CUSIP
576853105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 110Q1 2024Q2 2024: 112Q2 2024Q3 2024: 117Q3 2024Q4 2024: 123Q4 2024Q1 2025: 122Q1 2025Q2 2025: 124Q2 2025Q3 2025: 143Q3 2025Q4 2025: 144Q4 2025Q1 2026: 144Q1 2026Q2 2026: 150Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions17$3.3M
Exits17$8.8M

All 13F filers, Q4 2025 → Q1 2026: 3,333,515 shares bought and 3,535,266 shares sold, net −201,751 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 144 holders

BlackRock, Inc. 0.00% Reduce -45.4% 2,014,217 $23.1M
Needham Investment Management LLC 0.84% No change 1,435,000 $16.5M
Gendell Jeffrey L 0.19% Add +16.4% 1,231,307 $14.1M
Vanguard Capital Management LLC 0.00% — 1,196,787 $13.7M
American Century Companies Inc. 0.01% Add +11.1% 981,639 $11.3M
Westerly Capital Management, LLC 3.41% Reduce -2.3% 965,000 $11.1M
Harvey Partners, LLC 0.84% Add +6.1% 905,000 $10.4M
First Eagle Investment Management, LLC 0.02% Add +32.9% 850,809 $9.8M
Azarias Capital Management, L.P. 4.20% Add +11.8% 817,021 $9.4M
Geode Capital Management, LLC 0.00% Add +2.6% 685,373 $7.9M
Dimensional Fund Advisors LP 0.00% Reduce -0.7% 663,939 $7.6M
Two Sigma Investments, LP 0.01% Add +217.7% 637,691 $7.3M
State Street Corp. 0.00% Add +2.3% 545,485 $6.3M
First Wilshire Securities Management Inc. 1.35% Reduce -14.7% 522,838 $6.0M
AQR Capital Management 0.00% Add +36.6% 498,941 $5.7M
Millennium Management 0.00% Reduce -2.1% 476,411 $5.5M
Acadian Asset Management LLC 0.01% Add +59.9% 476,089 $5.5M
Citadel Advisors 0.00% Add +106.7% 472,047 $5.4M
Bank of New York Mellon Corp 0.00% Reduce -5.4% 466,897 $5.4M
CenterBook Partners LP 0.27% Reduce -32.0% 431,425 $5.0M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -6.1% 363,108 $4.2M
Russell Investments Group, Ltd. 0.00% Reduce -9.0% 356,785 $4.1M
Jacobs Levy Equity Management, Inc. 0.02% Add +7.6% 350,987 $4.0M
Marshall Wace, LLP 0.00% Add +895.5% 313,296 $3.6M
Jane Street Group, LLC 0.00% Add +185.7% 313,175 $3.6M
Congruence Capital, LLC 1.17% Add +226.3% 304,145 $3.5M
Morgan Stanley 0.00% Add +4.3% 302,698 $3.5M
Goldman Sachs Group Inc. 0.00% Reduce -5.2% 272,390 $3.1M
JPMorgan Chase & Co. 0.00% Add +5.7% 275,307 $3.1M
De Lisle Partners LLP 0.35% Add +0.3% 258,790 $3.0M
Renaissance Technologies 0.00% Add +2.1% 255,800 $2.9M
Northern Trust Corp. 0.00% Add +6.3% 240,552 $2.8M
Qube Research & Technologies Ltd 0.00% Reduce -2.2% 220,576 $2.5M
Algert Global LLC 0.03% Add +5.3% 192,525 $2.2M
Vanguard Portfolio Management LLC 0.00% — 188,161 $2.2M
Gsa Capital Partners LLP 0.13% Reduce -12.6% 185,534 $2.1M
Vanguard Fiduciary Trust Co. 0.00% — 181,338 $2.1M
BNP Paribas Financial Markets 0.00% Add +66.9% 171,592 $2.0M
Country Trust Bank 0.04% Add +24.6% 165,237 $1.9M
Panagora Asset Management Inc. 0.01% Add +6.8% 156,268 $1.8M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -64.5% 143,817 $1.7M
Prescott Group Capital Management, L.L.C. 0.14% Add +36.5% 123,392 $1.4M
Victory Capital Management Inc. 0.00% Add +10.4% 120,951 $1.4M
Alliancebernstein L.P. 0.00% Reduce -3.8% 113,740 $1.3M
Money Concepts Capital Corp. 0.07% Reduce -0.3% 104,249 $1.2M
Royal Bank of Canada 0.00% Add +249.0% 100,697 $1.2M
HRT Financial LP 0.00% New 96,316 $1.1M
Cary Street Partners Financial LLC 0.03% Add +26.6% 94,040 $1.1M
Allspring Global Investments Holdings, LLC 0.00% Add +427.9% 81,919 $963K
Jump Financial, LLC 0.01% Add +43.4% 78,600 $902K
Charles Schwab Investment Management Inc. 0.00% Reduce -9.8% 70,788 $813K
D. E. Shaw & Co. 0.00% Reduce -30.7% 69,541 $798K
XTX Topco Ltd 0.01% Add +41.7% 69,145 $794K
Ameriprise Financial Inc. 0.00% Reduce -9.9% 67,170 $771K
ExodusPoint Capital Management, LP 0.01% Add +135.9% 63,717 $731K
T. Rowe Price Associates Inc. 0.00% Add +18.8% 63,191 $726K
Martingale Asset Management L P 0.02% Reduce -30.0% 57,505 $660K
Pacific Ridge Capital Partners, LLC 0.14% Add +45.8% 54,402 $625K
STRS Ohio 0.00% Add +15.3% 54,200 $622K
Squarepoint Ops LLC 0.00% Add +356.1% 52,764 $606K
Boston Partners 0.00% Add +0.4% 52,707 $605K
Invesco Ltd. 0.00% Reduce -0.3% 51,771 $594K
Financial Plan, Inc. 0.06% No change 47,615 $547K
WINTON GROUP Ltd 0.02% Reduce -49.9% 43,029 $494K
Bank of America Corp. 0.00% Add +69.9% 42,223 $485K
Nuveen, LLC 0.00% Reduce -27.9% 41,516 $477K
EntryPoint Capital, LLC 0.13% Add +53.0% 38,821 $446K
Man Group plc 0.00% Reduce -30.6% 38,821 $446K
Voya Investment Management LLC 0.00% Reduce -0.6% 38,723 $445K
Public Employees Retirement System of Ohio 0.00% Add +31.5% 36,109 $415K
Quantbot Technologies LP 0.02% Add +813.5% 35,965 $413K
Bridgeway Capital Management, LLC 0.01% Add +41.7% 34,000 $390K
Rhumbline Advisers 0.00% Reduce -0.3% 33,608 $386K
Dynamic Technology Lab Private Ltd 0.06% New 33,602 $386K
Bridge City Capital, LLC 0.10% Add +41.0% 31,000 $356K
Brevan Howard Capital Management LP 0.00% Add +138.7% 30,072 $345K
UBS Group AG 0.00% Reduce -17.1% 29,422 $338K
Wells Fargo & Company 0.00% Reduce -42.4% 27,222 $313K
Assenagon Asset Management S.A. 0.00% No change 26,618 $306K
Barclays PLC 0.00% Reduce -58.6% 26,214 $301K
Susquehanna Fundamental Investments, LLC 0.01% Reduce -36.8% 25,591 $294K
Bailard, Inc. 0.01% New 24,700 $284K
Deutsche Bank AG 0.00% Add +17.2% 24,410 $280K
Walleye Capital LLC 0.00% New 24,124 $277K
Aquatic Capital Management LLC 0.01% Add +177.1% 23,024 $264K
Point72 Asset Management 0.00% Reduce -80.8% 22,262 $256K
Verus Capital Partners, LLC 0.02% Add +81.7% 20,900 $240K
Quadrature Capital Ltd 0.00% New 20,730 $238K
Osaic Holdings, Inc. 0.00% Reduce -8.5% 20,535 $236K
Creative Planning 0.00% Reduce -28.6% 20,311 $233K
Ieq Capital, LLC 0.00% New 19,474 $224K
Occudo Quantitative Strategies LP 0.01% Add +7.2% 16,224 $219K
Susquehanna International Group, LLP 0.00% New 18,054 $207K
Saturna Capital Corp. 0.00% No change 17,606 $202K
Citigroup Inc. 0.00% Add +40.3% 16,054 $184K
Kettle Hill Capital Management, LLC 0.04% New 15,005 $172K
Greenhaven Road Investment Management, L.P. 0.11% No change 13,969 $160K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +2.4% 12,895 $148K
Axq Capital, LP 0.02% New 12,364 $142K
Vanguard Global Advisers, LLC 0.00% — 11,620 $133K
Los Angeles Capital Management LLC 0.00% Reduce -77.6% 11,516 $132K
Canada Pension Plan Investment Board 0.00% Add +18.9% 11,300 $130K
Cwm, LLC 0.00% Add +78.5% 11,263 $129K
Vident Advisory, LLC 0.00% New 11,079 $127K
MetLife Investment Management, LLC 0.00% Reduce -29.6% 10,687 $123K
Mariner, LLC 0.00% New 10,377 $119K
State of Wyoming 0.01% Reduce -46.3% 9,686 $111K
Police & Firemen's Retirement System of New Jersey 0.00% No change 7,820 $90K
Daytona Street Capital LLC 0.06% No change 6,700 $79K
New York State Common Retirement Fund 0.00% No change 6,600 $76K
Public Employees Retirement Association of Colorado 0.00% No change 5,595 $64K
Tower Research Capital LLC (TRC) 0.00% Add +481.2% 4,586 $53K
Bokf, NA 0.00% No change 2,923 $34K
Ameritas Investment Partners, Inc. 0.00% No change 2,591 $30K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +363.4% 2,484 $29K
New York State Teachers Retirement System 0.00% No change 2,421 $28K
Legal & General Group Plc 0.00% Reduce -4.9% 2,431 $28K
EverSource Wealth Advisors, LLC 0.00% Add +7.6% 2,235 $26K
California State Teachers Retirement System 0.00% Reduce -12.1% 1,467 $17K
Sterling Capital Management LLC 0.00% Reduce -41.2% 731 $8K
FMR LLC 0.00% Reduce -70.0% 708 $8K
MAI Capital Management 0.00% Add +3588.9% 664 $8K
Covestor Ltd 0.00% Add +5.4% 627 $7K
GAMMA Investing LLC 0.00% Reduce -17.3% 363 $4K
Essential Partners LLC 0.00% Reduce -25.0% 276 $3K
Optiver Holding B.V. 0.00% Add +43.0% 266 $3K
Farther Finance Advisors, LLC 0.00% Add +16.2% 258 $3K
Allworth Financial LP 0.00% Add +129.2% 259 $3K
Quadrant Capital Group LLC 0.00% Add +455.3% 211 $2K
True Wealth Design, LLC 0.00% Reduce -16.1% 204 $2K
Jones Financial Companies LLLP 0.00% No change 175 $2K
Rothschild Investment LLC 0.00% Add +260.4% 173 $2K
Arax Advisory Partners 0.00% New 147 $2K
Fifth Third Bancorp 0.00% New 103 $1K
Nisa Investment Advisors, LLC 0.00% Reduce -90.2% 76 $872
Torren Management, LLC 0.00% Reduce -69.0% 54 $620
Basecamp Wealth Advisors LLC 0.00% New 48 $551
SJS Investment Consulting Inc. 0.00% Add +275.0% 45 $517
Root Financial Partners, LLC 0.00% New 44 $505
Parkside Financial Bank & Trust 0.00% No change 40 $460
Wealth Preservation Advisors, LLC 0.00% New 34 $390
IFP Advisors, Inc 0.00% Reduce -25.0% 24 $276
Sunbelt Securities, Inc. 0.00% Reduce -50.0% 6 $69
Caitong International Asset Management Co., Ltd 0.00% New 1 $11

"% of holder's portfolio" is MTRX's weight in each manager's 13F, not the share of Matrix Service Co. the manager owns.