Mistras Group
MG · NYSE
$21.60+$0.16 (+0.75%)TodayMarket closed ·
Prev close $21.44
Who owns MG
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 70.7% of MG’s shares.
- Vahaviolos (Aspasia Felice)19.2%
- 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. V13.5%
- Mill Road Capital Management LLC6.1%
- Dimensional Fund Advisors, L.P.5.3%
- Next 6 largest institutions26.5%
- All other shareholders29.3%
| Holder | Shares | % of shares |
|---|---|---|
| Vahaviolos (Aspasia Felice) | 6.11M | 19.19% |
| 2025 Irrevocable Two-Year Grantor Retained Annuity Trust of Aspasia F. V | 4.31M | 13.55% |
| Mill Road Capital Management LLC | 1.93M | 6.06% |
| Dimensional Fund Advisors, L.P. | 1.70M | 5.35% |
| Kyriakopoulos (Kristy Vahaviolos) | 1.62M | 5.08% |
| Foglia (Stephanie Athena) | 1.61M | 5.05% |
| Royce Investment Partners | 1.58M | 4.97% |
| Weber Capital Management, LLC | 1.45M | 4.55% |
| IES Holdings, Inc | 1.12M | 3.53% |
| BlackRock Institutional Trust Company, N.A. | 1.06M | 3.34% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 813.15K | 2.56% |
| Florida State Board Administration Fund | 747.26K | 2.35% |
| FTGF Royce US Small Cap Opportunity Fund | 574.39K | 1.81% |
| Royce Small-Cap Opportunity Fund | 556.30K | 1.75% |
| Federated Hermes MDT Small Cap Core Fund | 499.19K | 1.57% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of MG in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| D'Alterio Gennaro A. | Tax withholding | 662 | $13.74K |
| Coggins Eileen Mary | Tax withholding | 1.64K | $32.16K |
| Vahaviolos Aspasia Felice | Gift | 387.09K | — |
| Vahaviolos Aspasia Felice | Gift | 387.09K | — |
| Foglia Stephanie Athena | Gift | 387.09K | — |
| SHUMAN-FABBRI NATALIA | Tax withholding | 2.41K | $46.80K |
| Vahaviolos Aspasia Felice | Gift | 411.88K | — |
| Foglia Stephanie Athena | Gift | 411.88K | — |
| Lohmeier Michelle | Award | 6.86K | — |
| DEBENEDICTIS NICHOLAS | Award | 6.86K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 938.10K
- Days to cover
- 1.29
- % of shares outstanding
- 2.95%
- Average daily volume
- 726.68K
- Change since last report
- −12.7%
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