Ownership history in Prosight Management, LP · 3 quarters on record
This page tracks every 13F SEC filing in which Prosight Management, LP reported a position in ALNYLAM PHARMACEUTICALS INC (ALNY). 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 Q4 | REDUCED | 17,109 | -5,595 | -24.6% | 1.41% | $6.8M | $397.65 |
| 2022 Q1 | REDUCED | 22,704 | -9,203 | -28.8% | 2.39% | $3.7M | $163.29 |
| 2021 Q4 | INITIATED | 31,907 | — | — | 3.24% | $5.4M | $169.58 |
As of 2025 Q4 — sorted by position size