Orchestra BioMed Holdings, Inc. (OBIO) ownership: Top institutional holder: RTW INVESTMENTS, LP ($35.30M). Insider activity: Net Seller (6 buys, 10 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| RTW INVESTMENTS, LP | 8306063.00 | $35.30M | 2026-03-31 |
| PERCEPTIVE ADVISORS LLC | 5037906.00 | $21.41M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2204319.00 | $9.37M | 2026-03-31 |
| VANGUARD GROUP INC | 1604556.00 | $6.66M | 2025-12-31 |
| Alyeska Investment Group, L.P. | 1000000.00 | $4.25M | 2026-03-31 |
| Propel Bio Management, LLC | 896701.00 | $3.83M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 702543.00 | $2.99M | 2026-03-31 |
| BlackRock, Inc. | 635714.00 | $2.70M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-28 | |
| Buy | null | 2026-05-28 | |
| Sell | null | 2026-05-18 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-15 | |
| Sell | null | 2026-05-14 | |
| Buy | null | 2026-03-25 | |
| Buy | null | 2026-03-25 |
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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.