Mistras Group, Inc.
MG- Exchange
- NYSE
- Industry
- Services-Engineering Services
- SEC CIK
- 0001436126
No open-market purchases or sales by Mistras Group, Inc. insiders were filed in the last 90 days; 137 institutions reported holding it in 13F filings for Q2 2026, worth $347.1M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +9 vs. previous quarter
- 137
- 13F valueReported value at the end of Q2 2026
- $347.1M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding MG, Q2 2026
No superinvestor reported holding MG at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Mistras Group, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 (view filing)4:07 PM ET | Jan 5-Apr 17 | 150 daysLate | Foglia Stephanie Athena and 1 other10% Owner | SSale | −4.00K | $15.43 | −$61.7K | −70.3%1.69K after | 4 lots |
| Jun 6, 2025 (view filing) | Jun 5 | 1 day | Stamatakis Manuel N.Executive Chairman | PPurchase | +10.0K | $7.71 | +$77.1K | +2.7%384.3K after | |
| Mar 20, 2025 (view filing) | Mar 18-20 | 2 days | Debenedictis NicholasDirector | PPurchase | +20.0K | $9.94 | +$198.8K | +9.7%226.5K after | 3 lots |
| Mar 20, 2025 (view filing) | Mar 19 | 1 day | Stamatakis Manuel N.Executive Chairman | PPurchase | +10.0K | $9.95 | +$99.5K | +2.7%374.3K after | |
| Sep 25, 2024 (view filing) | Sep 25 | Same day | Lange Michael J.Senior EVP | SSale | −6.11K | $11.17 | −$68.3K | −2.5%240.5K after | 10b5-1 |
| Sep 24, 2024 (view filing) | Sep 23-24 | 1 day | Lange Michael J.Senior EVP | SSale | −31.4K | $11.13 | −$349.1K | −11.3%246.6K after | 2 lots10b5-1 |
| Sep 20, 2024 (view filing) | Sep 20 | Same day | Lange Michael J.Senior EVP | SSale | −24.7K | $11.02 | −$272.3K | −8.2%278.0K after | 10b5-1 |
| Sep 20, 2024 (view filing) | Sep 16-19 | 4 daysLate | Lange Michael J.Senior EVP | SSale | −37.8K | $10.69 | −$404.2K | −11.1%302.7K after | 4 lots10b5-1 |
| Jun 20, 2024 (view filing) | Jun 20 | Same day | Glanton Richard HDirector | SSale | −21.0K | $7.68 | −$161.3K | −33.3%42.1K after | |
| Mar 27, 2024 (view filing) | Nov 7, 2023 | 141 daysLate | Stamatakis Manuel N.Interim President and CEO | PPurchase | +15.0K | $6.00 | +$90.0K | +6.9%233.6K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Mistras Group, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mill Road Capital Management LLC | 1,929,509 | $33.7M | 16.64% | +58,929+3.2% | Added |
| Dimensional Fund Advisors LP | 1,700,793 | $29.7M | 0.01% | −2,888−0.2% | Reduced |
| Royce & Associates LP | 1,580,728 | $27.6M | 0.22% | +47,676+3.1% | Added |
| Weber Capital Management LLC | 1,448,154 | $25.3M | 21.53% | −8,815−0.6% | Reduced |
| BlackRock, Inc. | 1,166,197 | $20.4M | 0.00% | +306,745+35.7% | Added |
| IES Holdings, Inc. | 1,124,235 | $19.6M | 6.32% | +3,690+0.3% | Added |
| First Eagle Investment Management, LLC | 1,107,710 | $19.4M | 0.02% | +826,178+293.5% | Added |
| Vanguard Capital Management LLC | 1,052,512 | $18.4M | 0.00% | +122,334+13.2% | Added |
| Federated Hermes, Inc. | 656,032 | $11.5M | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 510,059 | $8.91M | 0.00% | +156,648+44.3% | Added |