Matrix ServiceMTRX
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 144 institutions reported holding Matrix Service Co. (MTRX) in their 13F filings, up 1 from Q3 2025. 17 opened new positions and 17 sold out. The largest holders were BlackRock, Inc. ($43.1M), Vanguard Group Inc. ($17.9M) and Needham Investment Management LLC ($16.8M). 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 Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Matrix Service Co.
- CUSIP
- 576853105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 17 | $6.3M |
| Exits | 17 | $12.1M |
All 13F filers, Q3 2025 → Q4 2025: 3,058,993 shares bought and 2,442,622 shares sold, net +616,371 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 144 holders
| BlackRock, Inc. | 0.00% | Add +11.6% | 3,686,785 | $43.1M |
| Vanguard Group Inc. | 0.00% | Add +0.3% | 1,526,777 | $17.9M |
| Needham Investment Management LLC | 1.06% | No change | 1,435,000 | $16.8M |
| Gendell Jeffrey L | 0.22% | Add +11.7% | 1,057,561 | $12.4M |
| Westerly Capital Management, LLC | 3.48% | Reduce -10.2% | 988,000 | $11.6M |
| American Century Companies Inc. | 0.01% | Add +12.0% | 883,565 | $10.3M |
| Harvey Partners, LLC | 0.90% | Add +0.0% | 852,678 | $10.0M |
| Azarias Capital Management, L.P. | 3.74% | Add +15.1% | 730,767 | $8.5M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -17.5% | 668,738 | $7.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.6% | 667,970 | $7.8M |
| First Eagle Investment Management, LLC | 0.01% | Add +10.0% | 640,083 | $7.5M |
| CenterBook Partners LP | 0.36% | Add +55.5% | 634,046 | $7.4M |
| First Wilshire Securities Management Inc. | 1.80% | Reduce -11.5% | 613,017 | $7.2M |
| State Street Corp. | 0.00% | Add +0.5% | 533,485 | $6.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.7% | 493,629 | $5.8M |
| Millennium Management | 0.00% | Reduce -22.8% | 486,668 | $5.7M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +128.7% | 405,610 | $4.7M |
| Russell Investments Group, Ltd. | 0.01% | Add +19.6% | 391,890 | $4.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +13.2% | 386,637 | $4.5M |
| AQR Capital Management | 0.00% | Add +19.1% | 365,238 | $4.3M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Add +11.6% | 326,233 | $3.8M |
| Acadian Asset Management LLC | 0.01% | Add +0.8% | 297,789 | $3.5M |
| Morgan Stanley | 0.00% | Reduce -0.5% | 290,322 | $3.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -9.0% | 287,366 | $3.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.1% | 260,573 | $3.0M |
| De Lisle Partners LLP | 0.39% | No change | 257,935 | $3.0M |
| Renaissance Technologies | 0.00% | Add +2.5% | 250,600 | $2.9M |
| Citadel Advisors | 0.00% | Add +330.6% | 228,409 | $2.7M |
| Oberweis Asset Management Inc./ | 0.10% | Add +2.5% | 226,575 | $2.7M |
| Northern Trust Corp. | 0.00% | Reduce -7.2% | 226,247 | $2.6M |
| Qube Research & Technologies Ltd | 0.00% | Add +3.1% | 225,475 | $2.6M |
| Gsa Capital Partners LLP | 0.21% | Add +482.6% | 212,213 | $2.5M |
| Two Sigma Investments, LP | 0.00% | Add +295.6% | 200,710 | $2.3M |
| Algert Global LLC | 0.03% | Add +90.8% | 182,815 | $2.1M |
| Stanley-Laman Group, Ltd. | 0.27% | Reduce -14.1% | 181,563 | $2.1M |
| Panagora Asset Management Inc. | 0.01% | Reduce -7.7% | 146,252 | $1.7M |
| Country Trust Bank | 0.03% | New | 132,662 | $1.6M |
| Royce & Associates LP | 0.01% | Reduce -78.1% | 120,782 | $1.4M |
| Alliancebernstein L.P. | 0.00% | Add +36.7% | 118,170 | $1.4M |
| Point72 Asset Management | 0.00% | New | 115,788 | $1.4M |
| Jane Street Group, LLC | 0.00% | Reduce -31.0% | 109,608 | $1.3M |
| Victory Capital Management Inc. | 0.00% | Add +61.0% | 109,517 | $1.3M |
| Money Concepts Capital Corp. | 0.07% | Reduce -0.1% | 104,561 | $1.2M |
| BNP Paribas Financial Markets | 0.00% | Add +731.6% | 102,820 | $1.2M |
| D. E. Shaw & Co. | 0.00% | Add +328.3% | 100,395 | $1.2M |
| Congruence Capital, LLC | 0.40% | — | 93,196 | $1.1M |
| Prescott Group Capital Management, L.L.C. | 0.10% | New | 90,400 | $1.1M |
| Two Sigma Advisers, LP | 0.00% | Add +214.9% | 88,800 | $1.0M |
| WINTON GROUP Ltd | 0.03% | Add +5.0% | 85,911 | $1.0M |
| Martingale Asset Management L P | 0.02% | Reduce -1.3% | 82,152 | $961K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.6% | 78,435 | $918K |
| Ameriprise Financial Inc. | 0.00% | Add +23.2% | 74,522 | $872K |
| Cary Street Partners Financial LLC | 0.02% | Add +4.2% | 74,305 | $869K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -36.9% | 51,500 | $771K |
| Barclays PLC | 0.00% | Add +23.0% | 63,260 | $740K |
| Nuveen, LLC | 0.00% | Add +38.7% | 57,576 | $674K |
| Man Group plc | 0.00% | New | 55,929 | $654K |
| Jump Financial, LLC | 0.01% | Add +334.5% | 54,811 | $641K |
| T. Rowe Price Associates Inc. | 0.00% | Add +12.2% | 53,212 | $623K |
| Boston Partners | 0.00% | Reduce -3.9% | 52,505 | $614K |
| Invesco Ltd. | 0.00% | Reduce -8.1% | 51,944 | $608K |
| XTX Topco Ltd | 0.01% | Add +5.5% | 48,808 | $571K |
| Financial Plan, Inc. | 0.06% | — | 47,615 | $557K |
| Wells Fargo & Company | 0.00% | Add +29.3% | 47,290 | $553K |
| STRS Ohio | 0.00% | Add +3.8% | 47,000 | $550K |
| Trexquant Investment LP | 0.00% | Reduce -69.1% | 41,395 | $484K |
| Susquehanna Fundamental Investments, LLC | 0.02% | Add +73.5% | 40,493 | $474K |
| Voya Investment Management LLC | 0.00% | Add +1.8% | 38,957 | $456K |
| Pacific Ridge Capital Partners, LLC | 0.10% | Add +4.7% | 37,305 | $436K |
| PharVision Advisers, LLC | 0.21% | Add +204.6% | 35,826 | $419K |
| State of Wisconsin Investment Board | 0.00% | Reduce -16.4% | 35,500 | $415K |
| UBS Group AG | 0.00% | Reduce -4.9% | 35,477 | $415K |
| Rhumbline Advisers | 0.00% | Reduce -12.7% | 33,709 | $394K |
| Marshall Wace, LLP | 0.00% | New | 31,472 | $368K |
| Royal Bank of Canada | 0.00% | Reduce -5.0% | 28,856 | $338K |
| Creative Planning | 0.00% | Reduce -1.1% | 28,428 | $333K |
| Public Employees Retirement System of Ohio | 0.00% | Add +26.3% | 27,454 | $321K |
| Integrated Quantitative Investments LLC | 0.07% | New | 27,447 | $321K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -38.7% | 27,011 | $316K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -3.0% | 26,618 | $311K |
| EntryPoint Capital, LLC | 0.12% | Reduce -37.2% | 25,380 | $297K |
| Oxford Asset Management LLP | 0.10% | New | 25,080 | $293K |
| Bank of America Corp. | 0.00% | Reduce -73.0% | 24,847 | $291K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 24,000 | $281K |
| Osaic Holdings, Inc. | 0.00% | Add +13.2% | 22,453 | $263K |
| Bridge City Capital, LLC | 0.08% | New | 21,979 | $257K |
| Deutsche Bank AG | 0.00% | Reduce -29.9% | 20,831 | $244K |
| Franklin Resources Inc. | 0.00% | Reduce -36.5% | 20,720 | $242K |
| State of Wyoming | 0.02% | Add +3.6% | 18,023 | $211K |
| AlphaQuest LLC | 0.01% | Reduce -8.7% | 17,779 | $208K |
| Saturna Capital Corp. | 0.00% | No change | 17,606 | $206K |
| Prudential Financial Inc. | 0.00% | Reduce -76.5% | 16,319 | $191K |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 15,519 | $187K |
| MetLife Investment Management, LLC | 0.00% | No change | 15,180 | $178K |
| Occudo Quantitative Strategies LP | 0.01% | New | 15,131 | $177K |
| Greenhaven Road Investment Management, L.P. | 0.07% | No change | 13,969 | $163K |
| Brevan Howard Capital Management LP | 0.00% | Add +5.9% | 12,600 | $147K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.0% | 12,589 | $147K |
| Squarepoint Ops LLC | 0.00% | Reduce -76.6% | 11,568 | $135K |
| Verus Capital Partners, LLC | 0.01% | Reduce -19.6% | 11,500 | $135K |
"% of holder's portfolio" is MTRX's weight in each manager's 13F, not the share of Matrix Service Co. the manager owns.