Who owns Matrix Service Company?
Institutional ownership of MTRX from SEC Form 13F filings across 102 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
102
13F holders
$205.4M
value, 2026 filers
56.8%
of shares outstanding (16.0M sh)
18
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MTRX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.1M | $29.3M | 0.0% | 7.6% | +6.2% |
| 2 | AMERICAN CENTURY COMPANIES INC | 1.2M | $16.5M | 0.0% | 4.3% | +22.9% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $16.3M | 0.0% | 4.2% | -50.4% |
| 4 | First Eagle Investment Management, LLC | 990,217 | $13.6M | 0.0% | 3.5% | -41.8% |
| 5 | ACADIAN ASSET MANAGEMENT LLC | 871,501 | $11,929 | 0.0% | 3.1% | +83.1% |
| 6 | TWO SIGMA INVESTMENTS, LP | 748,118 | $10.2M | 0.0% | 2.7% | +17.3% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 721,322 | $9.9M | 0.0% | 2.6% | +5.2% |
| 8 | Azarias Capital Management, L.P. | 673,692 | $9.2M | 4.0% | 2.4% | -17.5% |
| 9 | JPMORGAN CHASE & CO | 460,466 | $6.3M | 0.0% | 1.6% | +67.3% |
| 10 | Bank of New York Mellon Corp | 457,365 | $6.3M | 0.0% | 1.6% | -2.0% |
| 11 | MORGAN STANLEY | 437,019 | $6.0M | 0.0% | 1.6% | +44.4% |
| 12 | CITADEL ADVISORS LLC | 426,023 | $5.8M | 0.0% | 1.5% | -9.7% |
| 13 | GOLDMAN SACHS GROUP INC | 315,376 | $4.3M | 0.0% | 1.1% | +15.8% |
| 14 | Connor, Clark & Lunn Investment Management Ltd. | 295,422 | $4.0M | 0.0% | 1.1% | -18.6% |
| 15 | D. E. Shaw & Co., Inc. | 287,612 | $3.9M | 0.0% | 1% | +313.6% |
| 16 | Allspring Global Investments Holdings, LLC | 283,513 | $3.8M | 0.0% | 1% | +246.1% |
| 17 | BNP PARIBAS FINANCIAL MARKETS | 279,195 | $3.8M | 0.0% | 1% | +62.7% |
| 18 | Russell Investments Group, Ltd. | 266,486 | $3.7M | 0.0% | 0.9% | -25.3% |
| 19 | NORTHERN TRUST CORP | 254,670 | $3.5M | 0.0% | 0.9% | +5.9% |
| 20 | VANGUARD PORTFOLIO MANAGEMENT LLC | 235,777 | $3.2M | 0.0% | 0.8% | +25.3% |
| 21 | Qube Research & Technologies Ltd | 225,869 | $3.1M | 0.0% | 0.8% | +2.4% |
| 22 | MARSHALL WACE, LLP | 223,310 | $3.1M | 0.0% | 0.8% | -28.7% |
| 23 | Man Group plc | 194,010 | $2.7M | 0.0% | 0.7% | +399.8% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 189,639 | $2.6M | 0.0% | 0.7% | +4.6% |
| 25 | CenterBook Partners LP | 154,058 | $2.1M | 0.1% | 0.5% | -64.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.