Avidity Biosciences, Inc. (RNA) ownership: Top institutional holder: Decagon Asset Management LLP ($17.49B). Insider activity: Net Seller (0 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Decagon Asset Management LLP | 242436.00 | $17.49B | 2025-12-31 |
| METEORA CAPITAL, LLC | 133000.00 | $9.59B | 2025-12-31 |
| VANGUARD GROUP INC | 13649250.00 | $984.52M | 2025-12-31 |
| Avoro Capital Advisors LLC | 5455000.00 | $393.47M | 2025-12-31 |
| Qube Research & Technologies Ltd | 1105830.00 | $79.76M | 2025-12-31 |
| KRYGER CAPITAL Ltd | 1045320.00 | $75.40M | 2025-12-31 |
| Casdin Capital, LLC | 1000000.00 | $72.13M | 2025-12-31 |
| Frazier Life Sciences Management, L.P. | 983125.00 | $70.91M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 | |
| Sell | null | 2026-04-20 |
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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.