Minerals Technologies Inc. (MTX) ownership: Top institutional holder: BlackRock, Inc. ($341.18M). Insider activity: Net Seller (0 buys, 20 sells). 4 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 4810743.00 | $341.18M | 2026-03-31 |
| FMR LLC | 4264458.00 | $302.44M | 2026-03-31 |
| VANGUARD GROUP INC | 3523200.00 | $214.74M | 2025-12-31 |
| BlackRock Fund Advisors | 2094686.00 | $161.81M | 2016-12-31 |
| DIMENSIONAL FUND ADVISORS LP | 1974734.00 | $140.05M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1901358.00 | $134.84M | 2026-03-31 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1454905.00 | $103.18M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1367550.00 | $96.99M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-14 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.