WELLINGTON MANAGEMENT GROUP LLP 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 |
| 2023-11-09 1:26 pm Sale | 2023-10-31 | 13G | 2seventy bio, Inc. TSVT | WELLINGTON MANAGEMENT GROUP LLP | 802,967 1.590% | -2,244,619 (-73.65%) | Filing |
| 2023-02-06 3:03 pm Purchase | 2022-12-30 | 13G | 2seventy bio, Inc. TSVT | WELLINGTON MANAGEMENT GROUP LLP | 3,047,586 8.040% | 626,582 (+25.88%) | Filing |
| 2022-02-10 07:48 am Purchase | 2022-01-31 | 13G | 2seventy bio, Inc. TSVT | WELLINGTON MANAGEMENT GROUP LLP | 2,421,004 10.360% | 330,749 (+15.82%) | Filing |
| 2022-02-04 09:30 am Purchase | 2021-12-31 | 13G | 2seventy bio, Inc. TSVT | WELLINGTON MANAGEMENT GROUP LLP | 2,090,255 8.940% | 2,090,255 (New Position) | Filing |