OPKO Health, Inc. (OPK) ownership: Top institutional holder: BlackRock Fund Advisors ($105.37M). Insider activity: Net Seller (0 buys, 2 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock Fund Advisors | 11329837.00 | $105.37M | 2016-12-31 |
| Rubric Capital Management LP | 47791243.00 | $54.48M | 2026-03-31 |
| BlackRock, Inc. | 36232223.00 | $41.30M | 2026-03-31 |
| VANGUARD GROUP INC | 32457788.00 | $40.90M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 14769719.00 | $16.84M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 14499164.00 | $16.53M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 11301501.00 | $12.89M | 2026-03-31 |
| STATE STREET CORP | 9501377.00 | $10.83M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-20 | |
| Sell | null | 2026-03-18 |
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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.