Partner Fund Management L.P. 13D and 13G filings for bluebird bio, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2024-02-14 4:06 pm Sale |
2023-12-31 | 13G | bluebird bio, Inc. BLUE |
Partner Fund Management L.P. | 102,133 1.900% |
-198,960 (-66.08%) |
Filing |
| 2023-04-21 4:08 pm Purchase |
2023-04-11 | 13G | bluebird bio, Inc. BLUE |
Partner Fund Management L.P. | 301,092 5.700% |
301,092 (New Position) |
Filing |