Mistras GroupMG
13F holders, Q3 2025 (September 30)111holders +3
13new positions
11sold out
5famous investors
$9.84avg. 13F price*
At the end of Q3 2025, 111 institutions reported holding Mistras Group Inc. (MG) in their 13F filings, up 3 from Q2 2025. 13 opened new positions and 11 sold out. The largest holders were Mill Road Capital Management LLC ($16.5M), Dimensional Fund Advisors LP ($16.1M) and Royce & Associates LP ($13.2M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mistras Group Inc.
- CUSIP
- 60649T107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $6.9M |
| Exits | 11 | $1.7M |
All 13F filers, Q2 2025 → Q3 2025: 1,735,689 shares bought and 1,446,919 shares sold, net +288,770 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 111 holders
| Mill Road Capital Management LLC | 8.58% | Add +0.3% | 1,672,381 | $16.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +0.6% | 1,633,327 | $16.1M |
| Royce & Associates LP | 0.13% | Add +5.6% | 1,342,747 | $13.2M |
| Vanguard Group Inc. | 0.00% | Reduce -2.5% | 1,165,054 | $11.5M |
| BlackRock, Inc. | 0.00% | Reduce -13.6% | 1,058,273 | $10.4M |
| Clearline Capital LP | 0.59% | No change | 698,849 | $6.9M |
| Federated Hermes, Inc. | 0.01% | Reduce -0.1% | 680,245 | $6.7M |
| Acuitas Investments, LLC | 4.06% | Add +51.7% | 643,483 | $6.3M |
| Invenomic Capital Management LP | 0.24% | New | 472,536 | $4.6M |
| J. Goldman & Co LP | 0.16% | Reduce -44.8% | 421,920 | $4.2M |
| Bridgeway Capital Management, LLC | 0.09% | Reduce -2.5% | 408,283 | $4.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.4% | 407,663 | $4.0M |
| State Street Corp. | 0.00% | Reduce -9.3% | 369,400 | $3.6M |
| Millennium Management | 0.00% | Add +48.9% | 357,513 | $3.5M |
| Pacific Ridge Capital Partners, LLC | 0.63% | Reduce -2.0% | 290,650 | $2.9M |
| CSM Advisors, LLC | 0.07% | Reduce -26.1% | 268,851 | $2.6M |
| Citadel Advisors | 0.00% | Add +143.7% | 240,318 | $2.4M |
| Empowered Funds, LLC | 0.02% | Reduce -2.2% | 224,633 | $2.2M |
| Deutsche Bank AG | 0.00% | Add +28.6% | 210,040 | $2.1M |
| JB Capital Partners LP | 0.34% | No change | 202,243 | $2.0M |
| Northern Trust Corp. | 0.00% | Reduce -6.1% | 194,806 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -30.7% | 180,800 | $1.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +215.9% | 175,331 | $1.7M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -34.3% | 147,146 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Add +19.3% | 135,797 | $1.3M |
| Morgan Stanley | 0.00% | Reduce -23.8% | 112,775 | $1.1M |
| Bank of America Corp. | 0.00% | Add +397.1% | 112,560 | $1.1M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -6.3% | 104,727 | $1.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -38.4% | 103,394 | $1.0M |
| Jane Street Group, LLC | 0.00% | Add +146.8% | 97,077 | $955K |
| Two Sigma Investments, LP | 0.00% | Add +59.2% | 96,028 | $945K |
| Squarepoint Ops LLC | 0.00% | Reduce -8.2% | 89,480 | $880K |
| Gsa Capital Partners LLP | 0.07% | New | 85,934 | $846K |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -46.6% | 81,930 | $806K |
| Martingale Asset Management L P | 0.02% | No change | 74,038 | $729K |
| Royal Bank of Canada | 0.00% | Reduce -23.1% | 70,284 | $692K |
| Nuveen, LLC | 0.00% | Reduce -14.0% | 67,936 | $668K |
| Raiffeisen Bank International AG | 0.01% | Add +18.2% | 65,000 | $644K |
| RBF Capital, LLC | 0.03% | No change | 58,000 | $571K |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.7% | 56,679 | $558K |
| First Trust Advisors LP | 0.00% | New | 55,483 | $546K |
| STRS Ohio | 0.00% | No change | 53,100 | $523K |
| LSV Asset Management | 0.00% | No change | 51,001 | $502K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 48,249 | $475K |
| O'shaughnessy Asset Management, LLC | 0.00% | Add +35.3% | 48,075 | $473K |
| American Century Companies Inc. | 0.00% | Reduce -0.2% | 47,410 | $467K |
| Two Sigma Advisers, LP | 0.00% | Add +57.7% | 44,824 | $441K |
| Values First Advisors, Inc. | 0.22% | Reduce -1.9% | 42,588 | $419K |
| Susquehanna International Group, LLP | 0.00% | Reduce -5.2% | 37,562 | $370K |
| Simplex Trading, LLC | 0.01% | Add +1067.3% | 36,339 | $357K |
| Panagora Asset Management Inc. | 0.00% | Add +0.7% | 33,864 | $333K |
| Invesco Ltd. | 0.00% | Reduce -11.3% | 33,500 | $330K |
| Franklin Resources Inc. | 0.00% | New | 31,836 | $313K |
| Inspire Advisors, LLC | 0.03% | Reduce -35.0% | 29,926 | $294K |
| ExodusPoint Capital Management, LP | 0.00% | New | 29,828 | $294K |
| NJ State Employees Deferred Compensation Plan | 0.03% | No change | 24,000 | $236K |
| Barclays PLC | 0.00% | Reduce -21.4% | 23,208 | $228K |
| UBS Group AG | 0.00% | Reduce -9.6% | 22,564 | $222K |
| Ritholtz Wealth Management | 0.00% | Add +46.8% | 22,300 | $219K |
| Lawson Kroeker Investment Management Inc. | 0.04% | No change | 21,362 | $210K |
| Wolverine Trading, LLC | 0.00% | New | 20,556 | $204K |
| Voya Investment Management LLC | 0.00% | Reduce -6.7% | 20,560 | $202K |
| Old National Bancorp | 0.00% | No change | 20,000 | $197K |
| Rhumbline Advisers | 0.00% | Reduce -1.8% | 19,765 | $194K |
| EntryPoint Capital, LLC | 0.07% | Reduce -27.6% | 19,264 | $190K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -79.3% | 18,058 | $178K |
| Raymond James Financial Inc. | 0.00% | Add +17.9% | 16,717 | $164K |
| AQR Capital Management | 0.00% | Add +2.4% | 15,946 | $157K |
| Heron Bay Capital Management | 0.03% | Add +44.0% | 15,073 | $148K |
| Wells Fargo & Company | 0.00% | Add +29.0% | 13,622 | $134K |
| Alliancebernstein L.P. | 0.00% | No change | 13,580 | $134K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 13,018 | $128K |
| Mackenzie Financial Corp. | 0.00% | Reduce -21.5% | 10,893 | $107K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 10,437 | $103K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -14.5% | 7,692 | $76K |
| BNP Paribas Financial Markets | 0.00% | Add +22.4% | 7,417 | $73K |
| JPMorgan Chase & Co. | 0.00% | Reduce -9.6% | 7,130 | $70K |
| New York State Common Retirement Fund | 0.00% | No change | 6,776 | $67K |
| MetLife Investment Management, LLC | 0.00% | Reduce -49.4% | 5,970 | $59K |
| FMR LLC | 0.00% | Add +52.0% | 3,836 | $38K |
| Rockefeller Capital Management L.P. | 0.00% | New | 3,830 | $38K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Reduce -35.9% | 3,591 | $35K |
| Jones Financial Companies LLLP | 0.00% | New | 3,426 | $33K |
| LOM Asset Management Ltd | 0.01% | No change | 3,000 | $30K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 2,870 | $29K |
| Citigroup Inc. | 0.00% | Reduce -53.6% | 2,560 | $25K |
| Russell Investments Group, Ltd. | 0.00% | Add +1965.8% | 2,293 | $23K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,720 | $17K |
| New York State Teachers Retirement System | 0.00% | Reduce -21.7% | 1,496 | $15K |
| Legal & General Group Plc | 0.00% | No change | 1,521 | $15K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 1,505 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -48.4% | 1,448 | $14K |
| Sterling Capital Management LLC | 0.00% | Reduce -85.0% | 1,136 | $11K |
| Cwm, LLC | 0.00% | Reduce -33.3% | 1,083 | $11K |
| Investors Research Corp | 0.00% | No change | 800 | $8K |
| Amalgamated Bank | 0.00% | No change | 702 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 437 | $4K |
| Optiver Holding B.V. | 0.00% | New | 270 | $3K |
| Osaic Holdings, Inc. | 0.00% | No change | 260 | $3K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +2.7% | 193 | $2K |
"% of holder's portfolio" is MG's weight in each manager's 13F, not the share of Mistras Group Inc. the manager owns.