Ownership history in MPM BioImpact LLC · 6 quarters on record
This page tracks every 13F SEC filing in which MPM BioImpact LLC 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 | UNCHANGED | 760,022 | — | 0% | 5.42% | $33.1M | — |
| 2025 Q2 | ADDED | 760,022 | +45,798 | +6.4% | 3.74% | $21.6M | — |
| 2025 Q1 | ADDED | 714,224 | +11,243 | +1.6% | 3.62% | $21.1M | — |
| 2024 Q4 | ADDED | 702,981 | +14,006 | +2.0% | 2.90% | $20.4M | — |
| 2024 Q3 | ADDED | 688,975 | +563,975 | +451.2% | 4.75% | $31.6M | — |
| 2024 Q2 | INITIATED | 125,000 | — | — | 0.79% | $5.1M | — |
As of 2025 Q4 — sorted by position size