Mistras GroupMG
13F holders, Q1 2026 (March 31)129holders +6
15new positions
11sold out
5famous investors
$14.78avg. 13F price*
At the end of Q1 2026, 129 institutions reported holding Mistras Group Inc. (MG) in their 13F filings, up 6 from Q4 2025. 15 opened new positions and 11 sold out. The largest holders were Mill Road Capital Management LLC ($27.6M), Dimensional Fund Advisors LP ($25.2M) and Royce & Associates LP ($22.7M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Mistras Group Inc.
- CUSIP
- 60649T107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $9.8M |
| Exits | 11 | $2.9M |
All 13F filers, Q4 2025 → Q1 2026: 1,865,664 shares bought and 1,136,469 shares sold, net +729,195 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 129 holders
| Mill Road Capital Management LLC | 14.51% | Add +11.8% | 1,870,580 | $27.6M |
| Dimensional Fund Advisors LP | 0.01% | Add +2.1% | 1,703,681 | $25.2M |
| Royce & Associates LP | 0.22% | Add +7.9% | 1,533,052 | $22.7M |
| Weber Capital Management LLC | 21.51% | Reduce -1.7% | 1,456,969 | $21.5M |
| IES Holdings, Inc. | 7.74% | Add +3.8% | 1,120,545 | $16.6M |
| Vanguard Capital Management LLC | 0.00% | — | 930,178 | $13.7M |
| BlackRock, Inc. | 0.00% | Reduce -2.4% | 859,452 | $12.7M |
| Federated Hermes, Inc. | 0.02% | No change | 656,032 | $9.7M |
| Clearline Capital LP | 0.64% | Reduce -20.7% | 554,089 | $8.2M |
| Invenomic Capital Management LP | 0.31% | Reduce -4.8% | 452,614 | $6.7M |
| Deutsche Bank AG | 0.00% | No change | 379,454 | $5.6M |
| Bridgeway Capital Management, LLC | 0.11% | Reduce -12.1% | 354,371 | $5.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -2.0% | 353,411 | $5.2M |
| State Street Corp. | 0.00% | Reduce -5.6% | 312,164 | $4.6M |
| Pacific Ridge Capital Partners, LLC | 0.91% | Add +0.5% | 285,274 | $4.2M |
| First Eagle Investment Management, LLC | 0.01% | Add +264.6% | 281,532 | $4.2M |
| Essex Investment Management Co. LLC | 0.63% | New | 268,567 | $4.0M |
| CSM Advisors, LLC | 0.10% | Reduce -0.5% | 267,881 | $4.0M |
| Two Sigma Investments, LP | 0.00% | Add +74.0% | 231,325 | $3.4M |
| Empowered Funds, LLC | 0.02% | Add +1.8% | 225,494 | $3.3M |
| Qube Research & Technologies Ltd | 0.00% | Add +33.1% | 218,046 | $3.2M |
| Sei Investments Co. | 0.00% | Add +249.4% | 204,840 | $3.0M |
| JB Capital Partners LP | 0.51% | No change | 202,243 | $3.0M |
| Algert Global LLC | 0.04% | Add +30.6% | 179,290 | $2.6M |
| Northern Trust Corp. | 0.00% | Reduce -0.8% | 159,751 | $2.4M |
| Acadian Asset Management LLC | 0.00% | Add +1804.4% | 158,335 | $2.3M |
| Knights of Columbus Asset Advisors LLC | 0.12% | New | 140,081 | $2.1M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -5.2% | 135,168 | $2.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -6.7% | 131,376 | $1.9M |
| Citadel Advisors | 0.00% | Add +22.7% | 126,234 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -40.2% | 120,500 | $1.8M |
| Inspire Investing, LLC | 0.10% | Add +13.9% | 115,815 | $1.7M |
| Jacobs Levy Equity Management, Inc. | 0.01% | Reduce -7.9% | 114,477 | $1.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 112,277 | $1.7M |
| Ameriprise Financial Inc. | 0.00% | Add +1.3% | 107,375 | $1.6M |
| Ritholtz Wealth Management | 0.03% | Add +21.8% | 104,752 | $1.5M |
| Morgan Stanley | 0.00% | Reduce -7.7% | 104,271 | $1.5M |
| Informed Momentum Co LLC | 0.16% | No change | 96,263 | $1.4M |
| D. E. Shaw & Co. | 0.00% | Reduce -47.5% | 86,031 | $1.3M |
| Legato Capital Management LLC | 0.11% | New | 83,945 | $1.2M |
| Lazard Asset Management LLC | 0.00% | New | 70,369 | $1.0M |
| Raiffeisen Bank International AG | 0.01% | No change | 65,000 | $949K |
| Nuveen, LLC | 0.00% | Reduce -6.0% | 63,884 | $944K |
| Vanguard Portfolio Management LLC | 0.00% | — | 63,813 | $943K |
| Bank of New York Mellon Corp | 0.00% | Add +12.6% | 63,129 | $933K |
| First Trust Advisors LP | 0.00% | Add +0.6% | 57,210 | $846K |
| RBF Capital, LLC | 0.04% | No change | 55,000 | $813K |
| Manatuck Hill Partners, LLC | 0.24% | New | 50,000 | $739K |
| Jane Street Group, LLC | 0.00% | Reduce -6.1% | 49,764 | $736K |
| American Century Companies Inc. | 0.00% | Add +3.0% | 48,798 | $721K |
| Gsa Capital Partners LLP | 0.04% | Add +22.8% | 48,765 | $721K |
| Trexquant Investment LP | 0.00% | Add +4.4% | 43,928 | $649K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 40,234 | $616K |
| Millennium Management | 0.00% | Reduce -76.3% | 36,968 | $546K |
| LSV Asset Management | 0.00% | Reduce -29.8% | 35,801 | $529K |
| Values First Advisors, Inc. | 0.27% | Add +0.9% | 35,327 | $522K |
| Panagora Asset Management Inc. | 0.00% | Add +4.9% | 34,926 | $516K |
| Verdad Advisers, LP | 0.57% | Reduce -30.9% | 34,526 | $510K |
| STRS Ohio | 0.00% | Reduce -25.4% | 31,700 | $469K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -16.3% | 31,140 | $460K |
| Invesco Ltd. | 0.00% | Reduce -6.2% | 30,304 | $448K |
| HRT Financial LP | 0.00% | Add +22.4% | 26,770 | $395K |
| Hillsdale Investment Management Inc. | 0.01% | No change | 26,600 | $393K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +14.0% | 26,221 | $388K |
| Franklin Resources Inc. | 0.00% | Reduce -15.5% | 25,402 | $375K |
| Raymond James Financial Inc. | 0.00% | Add +11.4% | 23,097 | $341K |
| AQR Capital Management | 0.00% | Add +12.9% | 21,009 | $311K |
| Voya Investment Management LLC | 0.00% | No change | 20,979 | $310K |
| EntryPoint Capital, LLC | 0.09% | Add +68.1% | 20,426 | $302K |
| Old National Bancorp | 0.01% | No change | 20,000 | $296K |
| Squarepoint Ops LLC | 0.00% | Reduce -79.1% | 18,780 | $278K |
| Assenagon Asset Management S.A. | 0.00% | Reduce -1.8% | 17,971 | $266K |
| Engineers Gate Manager LP | 0.00% | Add +8.7% | 17,568 | $260K |
| UBS Group AG | 0.00% | Reduce -66.5% | 16,761 | $248K |
| Bank of America Corp. | 0.00% | Reduce -76.0% | 15,906 | $235K |
| Prudential Financial Inc. | 0.00% | Add +31.4% | 14,735 | $218K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 13,018 | $192K |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -70.3% | 12,104 | $179K |
| Rhumbline Advisers | 0.00% | Reduce -18.7% | 10,899 | $161K |
| T. Rowe Price Associates Inc. | 0.00% | New | 10,324 | $153K |
| Alliancebernstein L.P. | 0.00% | Reduce -12.5% | 11,880 | $150K |
| Russell Investments Group, Ltd. | 0.00% | Add +528.9% | 9,289 | $137K |
| Simplex Trading, LLC | 0.00% | Reduce -55.5% | 8,798 | $130K |
| Vanguard Global Advisers, LLC | 0.00% | — | 8,090 | $120K |
| BNP Paribas Financial Markets | 0.00% | Reduce -16.5% | 6,806 | $101K |
| Wells Fargo & Company | 0.00% | Reduce -62.2% | 6,150 | $91K |
| Barclays PLC | 0.00% | Reduce -69.3% | 6,005 | $89K |
| Kemnay Advisory Services Inc. | 0.01% | Reduce -5.0% | 5,550 | $82K |
| FMR LLC | 0.00% | Add +30.8% | 5,505 | $81K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -10.9% | 5,161 | $76K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.1% | 5,139 | $75K |
| New York State Common Retirement Fund | 0.00% | Reduce -25.1% | 5,076 | $75K |
| Citigroup Inc. | 0.00% | Reduce -21.7% | 4,838 | $72K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 3,830 | $57K |
| MetLife Investment Management, LLC | 0.00% | Reduce -46.2% | 3,786 | $56K |
| Jones Financial Companies LLLP | 0.00% | No change | 3,676 | $54K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 3,591 | $53K |
| LOM Asset Management Ltd | 0.01% | No change | 3,000 | $44K |
| TD Waterhouse Canada Inc. | 0.00% | No change | 2,870 | $44K |
| State of Alaska, Department of Revenue | 0.00% | No change | 1,765 | $26K |
| Cwm, LLC | 0.00% | Add +13.6% | 1,478 | $22K |
| Legal & General Group Plc | 0.00% | No change | 1,113 | $16K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -55.9% | 1,088 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,010 | $15K |
| Investors Research Corp | 0.00% | No change | 800 | $12K |
| California State Teachers Retirement System | 0.00% | Reduce -21.4% | 602 | $9K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 437 | $6K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +98.4% | 377 | $6K |
| Sterling Capital Management LLC | 0.00% | Reduce -49.2% | 364 | $5K |
| Osaic Holdings, Inc. | 0.00% | Reduce -11.5% | 230 | $3K |
| Torren Management, LLC | 0.00% | Reduce -94.4% | 126 | $2K |
| GAMMA Investing LLC | 0.00% | Add +10.0% | 121 | $2K |
| Larson Financial Group LLC | 0.00% | Reduce -90.8% | 101 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +15.5% | 67 | $990 |
| C M Bidwell & Associates Ltd. | 0.00% | No change | 66 | $975 |
| SBI Securities Co., Ltd. | 0.00% | Add +31.3% | 63 | $931 |
| Essential Partners LLC | 0.00% | Add +2.9% | 36 | $532 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 29 | $429 |
| Allworth Financial LP | 0.00% | Add +1250.0% | 27 | $400 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 27 | $399 |
| IFP Advisors, Inc | 0.00% | No change | 22 | $325 |
| Root Financial Partners, LLC | 0.00% | New | 14 | $207 |
| Advisory Services Network, LLC | 0.00% | New | 12 | $177 |
| Archer Investment Corp | 0.00% | No change | 10 | $148 |
| MAI Capital Management | 0.00% | New | 6 | $89 |
| Optiver Holding B.V. | 0.00% | New | 4 | $59 |
| Farther Finance Advisors, LLC | 0.00% | New | 3 | $46 |
| True Wealth Design, LLC | 0.00% | No change | 2 | $30 |
| Rothschild Investment LLC | 0.00% | New | 1 | $15 |
"% of holder's portfolio" is MG's weight in each manager's 13F, not the share of Mistras Group Inc. the manager owns.