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 2024
Institutional positions in Matrix Service Co as of Mar 31, 2024. 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
- 110
- +7 vs. Q4 2023
- Shares held
- 22.4M
- +1.07M (+5.0%) vs. Q4 2023
- Total value
- $292.2M
- +$83.2M (+39.8%) vs. Q4 2023
- New holders
- 18
- 43 more added
- Sold out
- 11
- 38 more reduced
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Matrix Service Co; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Portolan Capital Management, LLC | 723,318 | $9.42M | 0.72% | +103,540+16.7% | Added |
| Royce & Associates LP | 765,676 | $9.98M | 0.09% | −130,583−14.6% | Reduced |
| Gendell Jeffrey L | 870,556 | $11.3M | 0.44% | +48,000+5.8% | Added |
| Westerly Capital Management, LLC | 880,000 | $11.5M | 5.98% | +230,000+35.4% | Added |
| Azarias Capital Management, L.P. | 991,107 | $12.9M | 5.41% | −270,654−21.5% | Reduced |
| Dimensional Fund Advisors LP | 1,169,401 | $15.2M | 0.00% | −4,599−0.4% | Reduced |
| Vanguard Group Inc | 1,223,781 | $15.9M | 0.00% | +11,587+1.0% | Added |
| Harvey Partners, LLC | 1,355,000 | $17.7M | 1.92% | −72,500−5.1% | Reduced |
| First Wilshire Securities Management Inc | 1,950,639 | $25.4M | 7.43% | −219,286−10.1% | Reduced |
| BlackRock Inc. | 1,954,584 | $25.5M | 0.00% | +927,565+90.3% | Added |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −28,807−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −21,972−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −17,817−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −15,480−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −10,235−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −8,896−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −8,300−100.0% | Sold out |
| AJOVista, LLC | 0 | $0 | 0.00% | −4,931−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −568−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −184−100.0% | Sold out |