OraSure Technologies, Inc. (OSUR) ownership: Top institutional holder: BlackRock, Inc. ($19.55M). Insider activity: Net Seller (7 buys, 13 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 6516216.00 | $19.55M | 2026-03-31 |
| BlackRock Fund Advisors | 1964746.00 | $17.25M | 2016-12-31 |
| PRIVATE MANAGEMENT GROUP INC | 5422129.00 | $16.27M | 2026-03-31 |
| NEUBERGER BERMAN GROUP LLC | 4361901.00 | $13.07M | 2026-03-31 |
| Altai Capital Management, L.P. | 3613836.00 | $10.84M | 2026-03-31 |
| VANGUARD GROUP INC | 4102632.00 | $9.93M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3030888.00 | $9.09M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 2820830.00 | $8.46M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-14 | |
| Buy | null | 2026-05-13 | |
| Buy | null | 2026-05-13 | |
| Sell | null | 2026-05-13 | |
| Buy | null | 2026-05-13 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-03-26 |
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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.