BlackRock, Inc. 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 |
| 2024-01-26 11:49 am Purchase | 2023-12-31 | 13G | 2seventy bio, Inc. TSVT | BlackRock Inc. BLK | 3,911,724 7.700% | 905,112 (+30.10%) | Filing |
| 2023-02-03 4:27 pm Purchase | 2022-12-31 | 13G | 2seventy bio, Inc. TSVT | BlackRock Inc. BLK | 3,006,612 7.900% | 1,412,848 (+88.65%) | Filing |
| 2022-04-08 09:57 am Sale | 2022-03-31 | 13G | 2seventy bio, Inc. TSVT | BlackRock Inc. BLK | 1,593,764 4.200% | -8,919 (-0.56%) | Filing |
| 2022-02-07 12:20 pm Purchase | 2021-12-31 | 13G | 2seventy bio, Inc. TSVT | BlackRock Inc. BLK | 1,602,683 6.900% | 1,602,683 (New Position) | Filing |