EcoR1 Capital LLC 13D and 13G filings for 2seventy 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 |
| 2023-02-14 1:22 pm Sale |
2022-12-31 | 13G | 2seventy bio, Inc. TSVT |
EcoR1 Capital LLC | 1,143,494 3.000% |
-773,569 (-40.35%) |
Filing |
| 2022-02-14 3:58 pm Purchase |
2021-12-31 | 13G | 2seventy bio, Inc. TSVT |
EcoR1 Capital LLC | 1,917,063 8.200% |
26,400 (+1.40%) |
Filing |
| 2021-11-16 12:20 pm Purchase |
2021-11-05 | 13G | 2seventy bio, Inc. TSVT |
EcoR1 Capital LLC | 1,890,663 8.100% |
1,890,663 (New Position) |
Filing |