MG Mistras Group, Inc.: institutional ownership and insider trading
148 funds reported holding $383M of Mistras Group, Inc. in their latest 13F filings; in Q2 2026 funds net bought $25.8M, with 24 new positions and 15 funds selling out; over the last 12 months insiders bought $0 and sold $61.7K on the open market.
Famous investors holding MG
- Ken Griffin (Citadel Advisors): $8.14M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $2.61M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $1.79M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $773K, 0.0% of the portfolio
Largest institutional holders of MG
- Mill Road Capital Management LLC — $33.7M
- DIMENSIONAL FUND ADVISORS LP — $29.7M
- WEBER CAPITAL MANAGEMENT LLC /ADV — $28.6M
- ROYCE & ASSOCIATES LP — $27.6M
- BlackRock, Inc. (BLK) — $20.4M
- IES Holdings, Inc. (IESC) — $19.6M
- VANGUARD CAPITAL MANAGEMENT LLC — $18.4M
- VANGUARD GROUP INC — $14.0M
- FEDERATED HERMES, INC. (FHI) — $11.5M
- First Eagle Investment Management, LLC — $9.68M
Recent MG insider trades
- Apr 17, 2026: Foglia Stephanie Athena sold 4,000 shares ($61.7K)
- Jun 5, 2025: Stamatakis Manuel N. bought 10,000 shares ($77.1K)
- Mar 20, 2025: Debenedictis Nicholas bought 20,000 shares ($199K)
- Mar 19, 2025: Stamatakis Manuel N. bought 10,000 shares ($99.5K)
5%+ owners
- Aspasia Vahaviolos: 19.3% (Schedule 13G, filed Mar 31, 2026)
- Aspasia Felice Vahaviolos: 19.1% (Schedule 13D/A, filed Oct 7, 2026)
- Stephanie Foglia: 18.6% (Schedule 13D/A, filed Jun 12, 2026)
- Stephanie Athena Foglia: 17.4% (Schedule 13D/A, filed Sep 14, 2026)
- Mill Road Capital III, L.P.: 6.1% (Schedule 13D/A, filed Sep 18, 2026)
- Kristy Kyriakopoulos: 5.1% (Schedule 13G/A, filed Mar 31, 2026)