Ownership history in EcoR1 Capital, LLC · 3 quarters on record
This page tracks every 13F SEC filing in which EcoR1 Capital, LLC reported a position in METSERA INC (MTSR). 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 | 271,529 | — | 0% | 0.68% | $14.2M | — |
| 2025 Q2 | ADDED | 271,529 | +221,529 | +443.1% | 0.46% | $7.7M | — |
| 2025 Q1 | INITIATED | 50,000 | — | — | 0.08% | $1.4M | — |