The Vanguard Group 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 |
| 2024-11-14 10:32 am Unchanged |
2024-09-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 523,700 5.400% |
0 (Unchanged) |
Filing |
| 2024-11-13 11:12 am Unchanged |
2024-09-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 523,700 5.400% |
0 (Unchanged) |
Filing |
| 2024-11-04 1:30 pm Unchanged |
2024-09-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 523,700 5.400% |
0 (Unchanged) |
Filing |
| 2024-11-04 11:43 am Purchase |
2024-09-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 523,700 5.400% |
84,931 (+19.36%) |
Filing |
| 2024-02-13 5:00 pm Purchase |
2023-12-29 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 438,769 4.610% |
225,453 (+105.69%) |
Filing |
| 2023-02-09 11:12 am Purchase |
2022-12-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 213,316 5.150% |
37,971 (+21.65%) |
Filing |
| 2022-07-11 1:13 pm Sale |
2022-06-30 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 175,345 4.910% |
-186,334 (-51.52%) |
Filing |
| 2022-02-09 3:33 pm Sale |
2021-12-31 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 361,680 10.320% |
-163,089 (-31.08%) |
Filing |
| 2021-04-12 09:52 am Purchase |
2021-03-31 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 524,768 10.120% |
25,807 (+5.17%) |
Filing |
| 2021-02-10 10:39 am Purchase |
2020-12-31 | 13G | bluebird bio, Inc. BLUE |
The Vanguard Group | 498,962 9.740% |
207,813 (+71.38%) |
Filing |