BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 164 filers reported holding BLUEBIRD BIO INC in Q3 2022. The put-call ratio across all filers is 0.70 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $15,353,815 | +55.5% | 4,666,813 | +50.3% | 0.02% | +50.0% |
| Q1 2023 | $9,873,108 | +130669.6% | 3,104,751 | +184.6% | 0.01% | +9.1% |
| Q4 2022 | $7,550 | -99.9% | 1,091,062 | +33.5% | 0.01% | +37.5% |
| Q3 2022 | $5,172,000 | +75.3% | 817,078 | +14.6% | 0.01% | +100.0% |
| Q2 2022 | $2,951,000 | +98.5% | 712,871 | +132.5% | 0.00% | +100.0% |
| Q1 2022 | $1,487,000 | -36.2% | 306,659 | +31.6% | 0.00% | 0.0% |
| Q4 2021 | $2,329,000 | -35.7% | 233,097 | +23.0% | 0.00% | -50.0% |
| Q3 2021 | $3,622,000 | – | 189,544 | – | 0.00% | – |
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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% |