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, Q2 2026
Institutional positions in Matrix Service Co as of Jun 30, 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
- 150
- +8 vs. Q1 2026
- Shares held
- 24.9M
- +665.4K (+2.7%) vs. Q1 2026
- Total value
- $341.1M
- +$62.6M (+22.5%) vs. Q1 2026
- New holders
- 22
- 66 more added
- Sold out
- 14
- 42 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Matrix Service Co; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Charles Schwab Investment Management Inc | 87,394 | $1.20M | 0.00% | +16,606+23.5% | Added |
| Walleye Capital LLC | 96,242 | $1.32M | 0.01% | +72,118+298.9% | Added |
| Cary Street Partners Financial LLC | 96,510 | $1.32M | 0.03% | +2,470+2.6% | Added |
| Alliancebernstein L.P. | 116,280 | $1.33M | 0.00% | +2,540+2.2% | Added |
| Money Concepts Capital Corp | 103,723 | $1.42M | 0.07% | −526−0.5% | Reduced |
| Jane Street Group, LLC | 106,381 | $1.46M | 0.00% | −206,794−66.0% | Reduced |
| Prescott Group Capital Management, L.L.C. | 114,392 | $1.57M | 0.14% | −9,000−7.3% | Reduced |
| Royal Bank of Canada | 118,126 | $1.62M | 0.00% | +17,429+17.3% | Added |
| Trexquant Investment LP | 122,418 | $1.68M | 0.01% | +122,418 | New |
| Norges Bank | 126,500 | $1.73M | 0.00% | +126,500 | New |
| Millennium Management LLC | 135,823 | $1.86M | 0.00% | −340,588−71.5% | Reduced |
| CenterBook Partners LP | 154,058 | $2.11M | 0.10% | −277,367−64.3% | Reduced |
| Gsa Capital Partners LLP | 182,277 | $2.50M | 0.16% | −3,257−1.8% | Reduced |
| Vanguard Fiduciary Trust Co | 189,639 | $2.60M | 0.00% | +8,301+4.6% | Added |
| Man Group plc | 194,010 | $2.66M | 0.00% | +155,189+399.8% | Added |
| Marshall Wace, LLP | 223,310 | $3.06M | 0.00% | −89,986−28.7% | Reduced |
| Qube Research & Technologies Ltd | 225,869 | $3.09M | 0.00% | +5,293+2.4% | Added |
| Vanguard Portfolio Management LLC | 235,777 | $3.23M | 0.00% | +47,616+25.3% | Added |
| Algert Global LLC | 244,585 | $3.35M | 0.04% | +52,060+27.0% | Added |
| Northern Trust Corp | 254,670 | $3.49M | 0.00% | +14,118+5.9% | Added |
| De Lisle Partners LLP | 258,790 | $3.54M | 0.39% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 266,486 | $3.65M | 0.00% | −90,299−25.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 283,513 | $3.78M | 0.01% | +201,594+246.1% | Added |
| BNP Paribas Arbitrage, SA | 279,195 | $3.82M | 0.00% | +107,603+62.7% | Added |
| Renaissance Technologies LLC | 282,559 | $3.87M | 0.01% | +26,759+10.5% | Added |
| D. E. Shaw & Co., Inc. | 287,612 | $3.94M | 0.00% | +218,071+313.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 295,422 | $4.05M | 0.01% | −67,686−18.6% | Reduced |
| Panagora Asset Management Inc | 299,431 | $4.10M | 0.01% | +143,163+91.6% | Added |
| Goldman Sachs Group Inc | 315,376 | $4.32M | 0.00% | +42,986+15.8% | Added |
| Jacobs Levy Equity Management, Inc | 325,825 | $4.46M | 0.02% | −25,162−7.2% | Reduced |
| Citadel Advisors LLC | 426,023 | $5.84M | 0.00% | −46,024−9.7% | Reduced |
| Morgan Stanley | 437,019 | $5.99M | 0.00% | +134,321+44.4% | Added |
| Bank of New York Mellon Corp | 457,365 | $6.27M | 0.00% | −9,532−2.0% | Reduced |
| JPMorgan Chase & Co | 460,466 | $6.31M | 0.00% | +185,159+67.3% | Added |
| First Wilshire Securities Management Inc | 517,121 | $7.08M | 1.46% | −5,717−1.1% | Reduced |
| State Street Corp | 581,006 | $7.96M | 0.00% | +35,521+6.5% | Added |
| AQR Capital Management LLC | 594,197 | $8.14M | 0.00% | +95,256+19.1% | Added |
| Westerly Capital Management, LLC | 595,930 | $8.16M | 1.51% | −369,070−38.2% | Reduced |
| Dimensional Fund Advisors LP | 665,266 | $9.11M | 0.00% | +1,327+0.2% | Added |
| Azarias Capital Management, L.P. | 673,692 | $9.23M | 4.02% | −143,329−17.5% | Reduced |
| Geode Capital Management, LLC | 721,322 | $9.89M | 0.00% | +35,949+5.2% | Added |
| Two Sigma Investments, LP | 748,118 | $10.2M | 0.01% | +110,427+17.3% | Added |
| Harvey Partners, LLC | 815,023 | $11.2M | 0.77% | −89,977−9.9% | Reduced |
| Acadian Asset Management LLC | 871,501 | $11.9M | 0.01% | +395,412+83.1% | Added |
| First Eagle Investment Management, LLC | 990,217 | $13.6M | 0.02% | +139,408+16.4% | Added |
| Vanguard Capital Management LLC | 1,188,393 | $16.3M | 0.00% | −8,394−0.7% | Reduced |
| Gendell Jeffrey L | 1,192,529 | $16.3M | 0.15% | −38,778−3.1% | Reduced |
| American Century Companies Inc | 1,206,822 | $16.5M | 0.01% | +225,183+22.9% | Added |
| Needham Investment Management LLC | 1,435,000 | $19.7M | 0.59% | 00.0% | Unchanged |
| BlackRock, Inc. | 2,139,456 | $29.3M | 0.00% | +125,239+6.2% | Added |
| Congruence Capital, LLC | 0 | $0 | 0.00% | −304,145−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −143,817−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −96,316−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −35,965−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −24,700−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −23,024−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −20,730−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −18,054−100.0% | Sold out |
| Kettle Hill Capital Management, LLC | 0 | $0 | 0.00% | −15,005−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −12,364−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −664−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −211−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |