Minerals Technologies Inc. (MTX) ownership: insiders 4% · institutions 84% · index and ETF funds 17% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| BlackRock | 4810743.00 | $341.18M | 15.5% | 2026-03-31 |
| FMR (Fidelity) | 4264458.00 | $302.44M | 13.7% | 2026-03-31 |
| Vanguard | 3528010.00 | $250.21M | 11.3% | 2026-03-31 |
| Dimensional Fund Advisors | 1974734.00 | $140.05M | 6.3% | 2026-03-31 |
| Nomura | 1454905.00 | $103.18M | 4.7% | 2026-03-31 |
| State Street | 1209270.00 | $85.76M | 3.9% | 2026-03-31 |
| American Century | 1018766.00 | $72.25M | 3.3% | 2026-03-31 |
| Geode Capital Management | 957481.00 | $67.91M | 3.1% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-01 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-18 |
Back to MTX overview · MTX earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.