Matrix Service Co
MTRX- Exchange
- Nasdaq
- Industry
- Construction - Special Trade Contractors
- SEC CIK
- 0000866273
No open-market purchases or sales by Matrix Service Co insiders were filed in the last 90 days; 150 institutions reported holding it in 13F filings for Q2 2026, worth $341.1M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Matrix Service Co as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 144
- +2 vs. Q4 2025
- Shares held
- 24.3M
- +1.27M (+5.5%) vs. Q4 2025
- Total value
- $278.6M
- +$9.31M (+3.5%) vs. Q4 2025
- New holders
- 21
- 63 more added
- Sold out
- 19
- 46 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MTRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 150 | $341.1M |
| Q1 2026 | 144 | $278.6M |
| Q4 2025 | 144 | $287.2M |
| Q3 2025 | 143 | $312.2M |
| Q2 2025 | 125 | $326.3M |
| Q1 2025 | 122 | $293.4M |
| Q4 2024 | 123 | $272.3M |
| Q3 2024 | 117 | $268.3M |
| Q2 2024 | 112 | $224.9M |
| Q1 2024 | 110 | $292.2M |
| Q4 2023 | 103 | $209.0M |
| Q3 2023 | 87 | $243.8M |
| Q2 2023 | 81 | $122.1M |
| Q1 2023 | 90 | $117.0M |
| Q4 2022 | 86 | $132.6M |
| Q3 2022 | 76 | $86.7M |
| Q2 2022 | 100 | $110.5M |
| Q1 2022 | 117 | $187.4M |
| Q4 2021 | 122 | $178.3M |
| Q3 2021 | 108 | $238.7M |
| Q2 2021 | 105 | $235.6M |
| Q1 2021 | 119 | $307.8M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Matrix Service Co; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,014,217 | $23.1M | 0.00% | −1,672,568−45.4% | Reduced |
| Needham Investment Management LLC | 1,435,000 | $16.5M | 0.84% | 00.0% | Unchanged |
| Gendell Jeffrey L | 1,231,307 | $14.1M | 0.19% | +173,746+16.4% | Added |
| Vanguard Capital Management LLC | 1,196,787 | $13.7M | 0.00% | +1,196,787 | New |
| American Century Companies Inc | 981,639 | $11.3M | 0.01% | +98,074+11.1% | Added |
| Westerly Capital Management, LLC | 965,000 | $11.1M | 3.41% | −23,000−2.3% | Reduced |
| Harvey Partners, LLC | 905,000 | $10.4M | 0.84% | +52,322+6.1% | Added |
| First Eagle Investment Management, LLC | 850,809 | $9.77M | 0.02% | +210,726+32.9% | Added |
| Azarias Capital Management, L.P. | 817,021 | $9.38M | 4.20% | +86,254+11.8% | Added |
| Geode Capital Management, LLC | 685,373 | $7.87M | 0.00% | +17,403+2.6% | Added |
| Dimensional Fund Advisors LP | 663,939 | $7.62M | 0.00% | −4,799−0.7% | Reduced |
| Two Sigma Investments, LP | 637,691 | $7.32M | 0.01% | +436,981+217.7% | Added |
| State Street Corp | 545,485 | $6.26M | 0.00% | +12,000+2.2% | Added |
| First Wilshire Securities Management Inc | 522,838 | $6.00M | 1.35% | −90,179−14.7% | Reduced |
| AQR Capital Management LLC | 498,941 | $5.73M | 0.00% | +133,703+36.6% | Added |
| Millennium Management LLC | 476,411 | $5.47M | 0.00% | −10,257−2.1% | Reduced |
| Acadian Asset Management LLC | 476,089 | $5.46M | 0.01% | +178,300+59.9% | Added |
| Citadel Advisors LLC | 472,047 | $5.42M | 0.00% | +243,638+106.7% | Added |
| Bank of New York Mellon Corp | 466,897 | $5.36M | 0.00% | −26,732−5.4% | Reduced |
| CenterBook Partners LP | 431,425 | $4.95M | 0.27% | −202,621−32.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 363,108 | $4.17M | 0.01% | −23,529−6.1% | Reduced |
| Russell Investments Group, Ltd. | 356,785 | $4.10M | 0.00% | −35,105−9.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 350,987 | $4.03M | 0.02% | +24,754+7.6% | Added |
| Marshall Wace, LLP | 313,296 | $3.60M | 0.00% | +281,824+895.5% | Added |
| Jane Street Group, LLC | 313,175 | $3.60M | 0.00% | +203,567+185.7% | Added |
| Congruence Capital, LLC | 304,145 | $3.49M | 1.17% | +210,949+226.3% | Added |
| Morgan Stanley | 302,698 | $3.47M | 0.00% | +12,376+4.3% | Added |
| Goldman Sachs Group Inc | 272,390 | $3.13M | 0.00% | −14,976−5.2% | Reduced |
| JPMorgan Chase & Co | 275,307 | $3.06M | 0.00% | +14,734+5.7% | Added |
| De Lisle Partners LLP | 258,790 | $2.97M | 0.35% | +855+0.3% | Added |
| Renaissance Technologies LLC | 255,800 | $2.94M | 0.00% | +5,200+2.1% | Added |
| Northern Trust Corp | 240,552 | $2.76M | 0.00% | +14,305+6.3% | Added |
| Qube Research & Technologies Ltd | 220,576 | $2.53M | 0.00% | −4,899−2.2% | Reduced |
| Algert Global LLC | 192,525 | $2.21M | 0.03% | +9,710+5.3% | Added |
| Vanguard Portfolio Management LLC | 188,161 | $2.16M | 0.00% | +188,161 | New |
| Gsa Capital Partners LLP | 185,534 | $2.13M | 0.13% | −26,679−12.6% | Reduced |
| Vanguard Fiduciary Trust Co | 181,338 | $2.08M | 0.00% | +181,338 | New |
| BNP Paribas Arbitrage, SA | 171,592 | $1.97M | 0.00% | +68,772+66.9% | Added |
| Country Trust Bank | 165,237 | $1.90M | 0.04% | +32,575+24.6% | Added |
| Panagora Asset Management Inc | 156,268 | $1.79M | 0.01% | +10,016+6.8% | Added |
| Arrowstreet Capital, Limited Partnership | 143,817 | $1.65M | 0.00% | −261,793−64.5% | Reduced |
| Prescott Group Capital Management, L.L.C. | 123,392 | $1.42M | 0.14% | +32,992+36.5% | Added |
| Victory Capital Management Inc | 120,951 | $1.39M | 0.00% | +11,434+10.4% | Added |
| Alliancebernstein L.P. | 113,740 | $1.33M | 0.00% | −4,430−3.7% | Reduced |
| Money Concepts Capital Corp | 104,249 | $1.20M | 0.07% | −312−0.3% | Reduced |
| Royal Bank of Canada | 100,697 | $1.16M | 0.00% | +71,841+249.0% | Added |
| HRT Financial LP | 96,316 | $1.10M | 0.00% | +96,316 | New |
| Cary Street Partners Financial LLC | 94,040 | $1.08M | 0.03% | +19,735+26.6% | Added |
| Allspring Global Investments Holdings, LLC | 81,919 | $963.4K | 0.00% | +66,400+427.9% | Added |
| Jump Financial, LLC | 78,600 | $902.3K | 0.01% | +23,789+43.4% | Added |
| Charles Schwab Investment Management Inc | 70,788 | $812.6K | 0.00% | −7,647−9.7% | Reduced |
| D. E. Shaw & Co., Inc. | 69,541 | $798.3K | 0.00% | −30,854−30.7% | Reduced |
| XTX Topco Ltd | 69,145 | $793.8K | 0.01% | +20,337+41.7% | Added |
| Ameriprise Financial Inc | 67,170 | $771.1K | 0.00% | −7,352−9.9% | Reduced |
| ExodusPoint Capital Management, LP | 63,717 | $731.5K | 0.01% | +36,706+135.9% | Added |
| Price T Rowe Associates Inc | 63,191 | $726.0K | 0.00% | +9,979+18.8% | Added |
| Martingale Asset Management L P | 57,505 | $660.2K | 0.02% | −24,647−30.0% | Reduced |
| Pacific Ridge Capital Partners, LLC | 54,402 | $624.5K | 0.14% | +17,097+45.8% | Added |
| STRS Ohio | 54,200 | $622.2K | 0.00% | +7,200+15.3% | Added |
| Squarepoint Ops LLC | 52,764 | $605.7K | 0.00% | +41,196+356.1% | Added |
| Boston Partners | 52,707 | $605.1K | 0.00% | +202+0.4% | Added |
| Invesco Ltd. | 51,771 | $594.3K | 0.00% | −173−0.3% | Reduced |
| Financial Plan, Inc. | 47,615 | $546.6K | 0.06% | 00.0% | Unchanged |
| Winton Group Ltd | 43,029 | $494.0K | 0.02% | −42,882−49.9% | Reduced |
| Bank of America Corp | 42,223 | $484.7K | 0.00% | +17,376+69.9% | Added |
| Nuveen, LLC | 41,516 | $476.6K | 0.00% | −16,060−27.9% | Reduced |
| Man Group plc | 38,821 | $445.7K | 0.00% | −17,108−30.6% | Reduced |
| EntryPoint Capital, LLC | 38,821 | $445.7K | 0.13% | +13,441+53.0% | Added |
| Voya Investment Management LLC | 38,723 | $444.5K | 0.00% | −234−0.6% | Reduced |
| Public Employees Retirement System of Ohio | 36,109 | $414.5K | 0.00% | +8,655+31.5% | Added |
| Quantbot Technologies LP | 35,965 | $412.9K | 0.02% | +32,028+813.5% | Added |
| Bridgeway Capital Management, LLC | 34,000 | $390.3K | 0.01% | +10,000+41.7% | Added |
| Rhumbline Advisers | 33,608 | $385.8K | 0.00% | −101−0.3% | Reduced |
| Dynamic Technology Lab Private Ltd | 33,602 | $385.8K | 0.06% | +33,602 | New |
| Bridge City Capital, LLC | 31,000 | $355.9K | 0.10% | +9,021+41.0% | Added |
| Brevan Howard Capital Management LP | 30,072 | $345.2K | 0.00% | +17,472+138.7% | Added |
| UBS Group AG | 29,422 | $337.8K | 0.00% | −6,055−17.1% | Reduced |
| Wells Fargo & Company | 27,222 | $312.5K | 0.00% | −20,068−42.4% | Reduced |
| Assenagon Asset Management S.A. | 26,618 | $305.6K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 26,214 | $300.9K | 0.00% | −37,046−58.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 25,591 | $293.8K | 0.01% | −14,902−36.8% | Reduced |
| Bailard, Inc. | 24,700 | $283.6K | 0.01% | +24,700 | New |
| Deutsche Bank AG | 24,410 | $280.2K | 0.00% | +3,579+17.2% | Added |
| Walleye Capital LLC | 24,124 | $276.9K | 0.00% | +24,124 | New |
| Aquatic Capital Management LLC | 23,024 | $264.3K | 0.01% | +14,714+177.1% | Added |
| Point72 Asset Management, L.P. | 22,262 | $255.6K | 0.00% | −93,526−80.8% | Reduced |
| Verus Capital Partners, LLC | 20,900 | $239.9K | 0.02% | +9,400+81.7% | Added |
| Quadrature Capital Ltd | 20,730 | $238.0K | 0.00% | +20,730 | New |
| Advisor Group Holdings, Inc. | 20,535 | $235.7K | 0.00% | −1,918−8.5% | Reduced |
| Creative Planning | 20,311 | $233.2K | 0.00% | −8,117−28.6% | Reduced |
| Ieq Capital, LLC | 19,474 | $223.6K | 0.00% | +19,474 | New |
| Occudo Quantitative Strategies LP | 16,224 | $219.3K | 0.01% | +1,093+7.2% | Added |
| Susquehanna International Group, LLP | 18,054 | $207.3K | 0.00% | +18,054 | New |
| Saturna Capital CORP | 17,606 | $202.1K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 16,054 | $184.3K | 0.00% | +4,610+40.3% | Added |
| Kettle Hill Capital Management, LLC | 15,005 | $172.3K | 0.04% | +15,005 | New |
| Greenhaven Road Investment Management, L.P. | 13,969 | $160.4K | 0.11% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 12,895 | $148.0K | 0.00% | +306+2.4% | Added |
| Axq Capital, LP | 12,364 | $141.9K | 0.02% | +12,364 | New |
| Vanguard Global Advisers, LLC | 11,620 | $133.4K | 0.00% | +11,620 | New |