Who owns Mistras Group, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MG from SEC Form 13F filings across 137 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.
As of the 2026-06-30 reporting period, 137 institutions disclosed 19.3M shares of Mistras Group, Inc. worth $336.7M — about 60.6% of shares outstanding; the largest disclosed holder is Mill Road Capital Management LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
137
13F holders
$336.7M
value, 2026 filers
60.6%
of shares outstanding (19.3M sh)
26
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 MG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Mill Road Capital Management LLC | 1.9M | $33.7M | 16.6% | 6.1% | +3.2% |
| 2 | DIMENSIONAL FUND ADVISORS LP | 1.7M | $29.7M | 0.0% | 5.3% | -0.2% |
| 3 | ROYCE & ASSOCIATES LP | 1.6M | $27.6M | 0.2% | 5% | +3.1% |
| 4 | WEBER CAPITAL MANAGEMENT LLC /ADV | 1.4M | $25.3M | 21.5% | 4.5% | -0.6% |
| 5 | BlackRock, Inc. | 1.2M | $20.4M | 0.0% | 3.7% | +35.7% |
| 6 | IES Holdings, Inc. | 1.1M | $19.6M | 6.3% | 3.5% | +0.3% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $18.4M | 0.0% | 3.3% | +13.2% |
| 8 | FEDERATED HERMES, INC. | 656,032 | $11.5M | 0.0% | 2.1% | 0.0% |
| 9 | First Eagle Investment Management, LLC | 553,855 | $9.7M | 0.0% | 1.7% | +96.7% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 510,059 | $8.9M | 0.0% | 1.6% | +44.3% |
| 11 | DEUTSCHE BANK AG\ | 389,488 | $6.8M | 0.0% | 1.2% | +2.6% |
| 12 | STATE STREET CORP | 385,924 | $6.7M | 0.0% | 1.2% | +23.6% |
| 13 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 354,371 | $6.2M | 0.1% | 1.1% | 0.0% |
| 14 | Pacific Ridge Capital Partners, LLC | 282,880 | $4.9M | 0.9% | 0.9% | -0.8% |
| 15 | ACADIAN ASSET MANAGEMENT LLC | 276,512 | $4.8M | 0.0% | 0.9% | +74.6% |
| 16 | Qube Research & Technologies Ltd | 275,749 | $4.8M | 0.0% | 0.9% | +26.5% |
| 17 | CSM Advisors, LLC | 267,586 | $4.7M | 0.1% | 0.8% | -0.1% |
| 18 | Clearline Capital LP | 267,460 | $4.7M | 0.3% | 0.8% | -51.7% |
| 19 | ESSEX INVESTMENT MANAGEMENT CO LLC | 257,127 | $4.5M | 0.6% | 0.8% | -4.3% |
| 20 | ALGERT GLOBAL LLC | 232,669 | $4.1M | 0.0% | 0.7% | +29.8% |
| 21 | Empowered Funds, LLC | 225,494 | $3.9M | 0.0% | 0.7% | 0.0% |
| 22 | JB CAPITAL PARTNERS LP | 202,243 | $3.5M | 0.5% | 0.6% | 0.0% |
| 23 | NORTHERN TRUST CORP | 201,968 | $3.5M | 0.0% | 0.6% | +26.4% |
| 24 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 161,333 | $2.8M | 0.0% | 0.5% | +19.4% |
| 25 | CITADEL ADVISORS LLC | 151,487 | $2.6M | 0.0% | 0.5% | +20.0% |
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.