Ownership history in Siren, L.L.C. · 5 quarters on record
This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in Avidity Biosciences Inc (RNA). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 1,285,610 | +175,000 | +15.8% | 2.19% | $56.0M | — |
| 2025 Q2 | UNCHANGED | 1,110,610 | — | 0% | 1.63% | $31.5M | — |
| 2025 Q1 | REDUCED | 1,110,610 | -16,685 | -1.5% | 1.87% | $32.8M | — |
| 2024 Q4 | REDUCED | 1,127,295 | -313,441 | -21.8% | 1.45% | $32.8M | — |
As of 2025 Q4 — sorted by position size