Baker Bros. Advisors LP
- SEC CIK
- 0001263508
- Latest filing
- Aug 14, 2026
BLUE holding history
bluebird bio, Inc. in every 13F filed by Baker Bros. Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
BLUE overviewAll 13F holders of BLUEFull Q2 2026 holdings
- Shares (Q4 2023)
- 0
- Sold out in Q4 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 11
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2023 | 0 | $0 | 0.0% | −2,499,715−100.0% | Sold out | Holders |
| Q3 2023 | 2,499,715 | $7.60M | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2023 | 2,499,715 | $8.22M | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2023 | 2,499,715 | $7.95M | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2022 | 2,499,715 | $17.3M | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2022 | 2,499,715 | $15.8M | 0.1% | 00.0% | Unchanged | Holders |
| Q2 2022 | 2,499,715 | $10.3M | 0.1% | 00.0% | Unchanged | Holders |
| Q1 2022 | 2,499,715 | $12.1M | 0.1% | 00.0% | Unchanged | Holders |
| Q4 2021 | 2,499,715 | $25.0M | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2021 | 2,499,715 | $47.8M | 0.2% | +2,272,727+1,001.3% | Added | Holders |
| Q2 2021 | 226,988 | $7.26M | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2021 | 226,988 | $6.84M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.