Renaissance Technologies LLC
- SEC CIK
- 0001037389
- Latest filing
- Aug 13, 2026
BLUE holding history
bluebird bio, Inc. in every 13F filed by Renaissance Technologies LLC, 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 2024)
- 0
- Sold out in Q4 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 9
- Since Q1 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2024 | 0 | $0 | 0.0% | −52,909−100.0% | Sold outConverted for a 1-for-20 split | Holders |
| Q3 2024 | 1,058,172 | $549.7K | <0.1% | +266,668+33.7% | Added | Holders |
| Q2 2024 | 791,504 | $779.0K | <0.1% | −1,396,196−63.8% | Reduced | Holders |
| Q1 2024 | 2,187,700 | $2.80M | <0.1% | −451,000−17.1% | Reduced | Holders |
| Q4 2023 | 2,638,700 | $3.64M | <0.1% | +2,163,800+455.6% | Added | Holders |
| Q3 2023 | 474,900 | $1.44M | <0.1% | −75,300−13.7% | Reduced | Holders |
| Q2 2023 | 550,200 | $1.81M | <0.1% | +550,200 | New | Holders |
| Q4 2022 | 0 | $0 | 0.0% | −757,110−100.0% | Sold out | Holders |
| Q3 2022 | 757,110 | $4.79M | <0.1% | −2,052,890−73.1% | Reduced | Holders |
| Q2 2022 | 2,810,000 | $11.6M | <0.1% | +1,870,000+198.9% | Added | Holders |
| Q1 2022 | 940,000 | $4.56M | <0.1% | +940,000 | New | Holders |