BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 173 filers reported holding BLUEBIRD BIO INC in Q2 2023. The put-call ratio across all filers is 2.47 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,046 | -7.6% | 1,002 | 0.0% | 0.00% | – |
| Q2 2023 | $3,297 | -31.0% | 1,002 | -33.3% | 0.00% | – |
| Q1 2023 | $4,776 | -54.1% | 1,502 | 0.0% | 0.00% | – |
| Q4 2022 | $10,394 | +3.9% | 1,502 | 0.0% | 0.00% | – |
| Q3 2022 | $10,000 | – | 1,502 | +75000.0% | 0.00% | – |
| Q2 2022 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q1 2022 | $0 | – | 2 | 0.0% | 0.00% | – |
| Q4 2021 | $0 | -100.0% | 2 | -99.9% | 0.00% | -100.0% |
| Q3 2021 | $31,000 | -40.4% | 1,621 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $52,000 | -100.0% | 1,621 | -58.9% | 0.00% | 0.0% |
| Q1 2021 | $118,852,000 | +169688.6% | 3,942 | +143.2% | 0.00% | -50.0% |
| Q4 2020 | $70,000 | -27.8% | 1,621 | -10.0% | 0.00% | 0.0% |
| Q3 2020 | $97,000 | +5.4% | 1,802 | +19.6% | 0.00% | -33.3% |
| Q2 2020 | $92,000 | +33.3% | 1,507 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $69,000 | -53.1% | 1,507 | -10.6% | 0.00% | -25.0% |
| Q4 2019 | $147,000 | -8.7% | 1,685 | -4.1% | 0.00% | -20.0% |
| Q3 2019 | $161,000 | -26.1% | 1,757 | +2.2% | 0.01% | -37.5% |
| Q2 2019 | $218,000 | -19.9% | 1,719 | -0.9% | 0.01% | -33.3% |
| Q1 2019 | $272,000 | +10.1% | 1,735 | +2.5% | 0.01% | 0.0% |
| Q3 2018 | $247,000 | -8.5% | 1,693 | -1.5% | 0.01% | -25.0% |
| Q2 2018 | $270,000 | -7.8% | 1,718 | +0.1% | 0.02% | -20.0% |
| Q1 2018 | $293,000 | -3.9% | 1,716 | 0.0% | 0.02% | -13.0% |
| Q4 2017 | $305,000 | +1029.6% | 1,716 | +758.0% | 0.02% | +666.7% |
| Q3 2017 | $27,000 | +28.6% | 200 | 0.0% | 0.00% | +50.0% |
| Q2 2017 | $21,000 | +16.7% | 200 | 0.0% | 0.00% | -33.3% |
| Q1 2017 | $18,000 | +50.0% | 200 | 0.0% | 0.00% | -40.0% |
| Q4 2016 | $12,000 | – | 200 | – | 0.01% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Third Rock Ventures, LLC | 3,313,974 | $78,939,000 | 22.36% |
| HARBOURVEST PARTNERS LLC | 59,264 | $1,243,000 | 3.98% |
| RA Capital Management | 467,418 | $9,806,000 | 1.14% |
| HAMILTON LANE ADVISORS LLC | 88,628 | $1,859,000 | 1.08% |
| COWEN INC. | 158,709 | $3,330,000 | 0.56% |
| SPHERA FUNDS MANAGEMENT LTD. | 92,435 | $1,939,000 | 0.54% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 423,224 | $8,879,000 | 0.46% |
| Camber Capital Management LP | 206,900 | $4,341,000 | 0.38% |
| Eventide Asset Management | 25,700 | $539,000 | 0.17% |
| SABBY MANAGEMENT, LLC | 102,035 | $2,141,000 | 0.14% |