Ownership history in Ghost Tree Capital, LLC · 13 quarters on record
This page tracks every 13F SEC filing in which Ghost Tree Capital, LLC reported a position in BLUEPRINT MEDICINES CORP (BPMC). 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) |
|---|---|---|---|---|---|---|---|
| 2024 Q3 | ADDED | 140,000 | +100,000 | +250.0% | 3.91% | $12.9M | — |
| 2024 Q2 | REDUCED | 40,000 | -32,761 | -45.0% | 1.35% | $4.3M | — |
| 2024 Q1 | ADDED | 72,761 | +52,761 | +263.8% | 1.91% | $6.9M | — |
| 2022 Q4 | REDUCED | 20,000 | -45,000 | -69.2% | 0.37% | $876K | — |
| 2022 Q3 | REDUCED | 65,000 | -85,000 | -56.7% | 1.20% | $4.3M | — |
| 2019 Q4 | REDUCED | 150,000 | -175,000 | -53.8% | 2.27% | $12.0M | — |
| 2019 Q3 | REDUCED | 325,000 | -50,000 | -13.3% | 6.07% | $23.9M | — |
| 2019 Q2 | ADDED | 375,000 | +135,000 | +56.2% | 7.41% | $35.4M | — |
| 2019 Q1 | ADDED | 240,000 | +120,000 | +100.0% | 5.21% | $19.2M | — |
| 2018 Q1 | REDUCED | 120,000 | -30,000 | -20.0% | 2.23% | $11.0M | — |
As of 2025 Q3 — sorted by position size