MSA Safety
MSA · NYSE
Who owns MSA
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 38.6% of MSA’s shares.
- BlackRock Institutional Trust Company, N.A.8.0%
- Ryan (John T III)5.2%
- Vanguard Portfolio Management, LLC4.7%
- Ruane, Cunniff & Goldfarb L.P.4.5%
- Next 6 largest institutions16.2%
- All other shareholders61.4%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 3.10M | 8.02% |
| Ryan (John T III) | 2.02M | 5.23% |
| Vanguard Portfolio Management, LLC | 1.83M | 4.74% |
| Ruane, Cunniff & Goldfarb L.P. | 1.72M | 4.46% |
| Vanguard Capital Management, LLC | 1.71M | 4.42% |
| State Street Investment Management (US) | 1.63M | 4.21% |
| Dimensional Fund Advisors, L.P. | 773.70K | 2.00% |
| Cooke & Bieler, L.P. | 725.23K | 1.88% |
| Fiduciary Management, Inc. | 713.77K | 1.85% |
| Geode Capital Management, L.L.C. | 691.77K | 1.79% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Stichting Pensioenfonds ABP | 1.50M | 3.89% |
| iShares Core S&P Mid-Cap ETF | 1.27M | 3.29% |
| Vanguard Total Stock Market Index Fund | 1.23M | 3.18% |
| Vanguard Small-Cap Index Fund | 887.55K | 2.30% |
| Sequoia Fund | 672.23K | 1.74% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $71.09K (1 trade) and sold $3.97M (2 trades) of MSA on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| LAMBERT WILLIAM M | Gift | 6.00K | — |
| LAMBERT WILLIAM M | Gift | 2.00K | — |
| Phillips Sandra L. | Award | 11 | — |
| Jordan Gregory B. | Award | 20 | — |
| Savi Luca | Award | 16 | — |
| PEARSE DIANE M | Award | 20 | — |
| BECK JULIE A | Tax withholding | 140 | $26.15K |
| Vartanian Nishan J. | Sale | 20.00K | $3.88M |
| Marquez Octavio | Award | 626 | — |
| Buck Jonathan D. | Sale | 469 | $89.58K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Michael McCaulHouse | Purchase | $15K–$50K | Nov 20, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.04M
- Days to cover
- 3.66
- % of shares outstanding
- 2.70%
- Average daily volume
- 284.32K
- Change since last report
- +18.7%
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