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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $4,611,760 | -29.7% | 1,450,239 | +53.0% | 0.01% | -33.3% |
| Q4 2022 | $6,557,440 | +775.5% | 947,607 | +700.8% | 0.02% | +800.0% |
| Q3 2022 | $749,000 | +98.7% | 118,333 | +30.0% | 0.00% | +100.0% |
| Q2 2022 | $377,000 | -69.9% | 91,028 | +215.0% | 0.00% | -85.7% |
| Q4 2020 | $1,251,000 | -93.2% | 28,900 | -91.6% | 0.01% | -94.8% |
| Q3 2020 | $18,452,000 | +710.4% | 342,014 | +1810.4% | 0.14% | +800.0% |
| Q2 2019 | $2,277,000 | -77.6% | 17,903 | -72.3% | 0.02% | -77.9% |
| Q1 2019 | $10,185,000 | +15.0% | 64,738 | -27.5% | 0.07% | +6.2% |
| Q4 2018 | $8,857,000 | -74.3% | 89,281 | -62.1% | 0.06% | -59.0% |
| Q3 2018 | $34,425,000 | -44.8% | 235,787 | -40.6% | 0.16% | -44.9% |
| Q2 2018 | $62,339,000 | +12.8% | 397,190 | +22.8% | 0.28% | +23.0% |
| Q1 2018 | $55,244,000 | +54.7% | 323,539 | +61.3% | 0.23% | +105.4% |
| Q4 2017 | $35,715,000 | -60.2% | 200,533 | -69.3% | 0.11% | -68.2% |
| Q3 2017 | $89,707,000 | +119.4% | 653,122 | +67.8% | 0.35% | +108.3% |
| Q2 2017 | $40,883,000 | -23.8% | 389,181 | -34.1% | 0.17% | -32.4% |
| Q1 2017 | $53,665,000 | +23.2% | 590,378 | -16.4% | 0.25% | +6.8% |
| Q4 2016 | $43,562,000 | +17.1% | 706,035 | +28.7% | 0.23% | +8.8% |
| Q3 2016 | $37,190,000 | +281.6% | 548,684 | +143.7% | 0.22% | +241.3% |
| Q2 2016 | $9,747,000 | +6.3% | 225,167 | +4.4% | 0.06% | +16.7% |
| Q1 2016 | $9,166,000 | +6.3% | 215,660 | +60.6% | 0.05% | -10.0% |
| Q4 2015 | $8,622,000 | +2055.5% | 134,261 | +2768.8% | 0.06% | +1900.0% |
| Q3 2015 | $400,000 | – | 4,680 | – | 0.00% | – |
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% |