BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 272 filers reported holding BLUEBIRD BIO INC in Q4 2020. The put-call ratio across all filers is 1.17 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $45,910 | -7.6% | 15,102 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $49,686 | +3.5% | 15,102 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $48,024 | -54.0% | 15,102 | 0.0% | 0.00% | -50.0% |
| Q4 2022 | $104,506 | -53.1% | 15,102 | -32.2% | 0.00% | -50.0% |
| Q4 2021 | $223,000 | -47.7% | 22,282 | 0.0% | 0.00% | -50.0% |
| Q3 2021 | $426,000 | -44.2% | 22,282 | -6.7% | 0.01% | -46.7% |
| Q2 2021 | $764,000 | +6.1% | 23,879 | 0.0% | 0.02% | 0.0% |
| Q1 2021 | $720,000 | -28.1% | 23,879 | +3.2% | 0.02% | -28.6% |
| Q4 2020 | $1,001,000 | -16.6% | 23,137 | +4.0% | 0.02% | -25.0% |
| Q3 2020 | $1,200,000 | -11.0% | 22,243 | +0.7% | 0.03% | -15.2% |
| Q2 2020 | $1,349,000 | +36.3% | 22,098 | +2.6% | 0.03% | +13.8% |
| Q1 2020 | $990,000 | +54.2% | 21,540 | +115.4% | 0.03% | +7.4% |
| Q4 2015 | $642,000 | -16.6% | 10,000 | +11.1% | 0.03% | -22.9% |
| Q3 2015 | $770,000 | -89.8% | 9,000 | -80.0% | 0.04% | -88.9% |
| Q2 2015 | $7,577,000 | +37.9% | 45,000 | -1.1% | 0.32% | +38.2% |
| Q1 2015 | $5,495,000 | +24.9% | 45,500 | -5.2% | 0.23% | +23.2% |
| Q4 2014 | $4,401,000 | +150.3% | 47,979 | -2.0% | 0.18% | +137.2% |
| Q3 2014 | $1,758,000 | -8.3% | 48,979 | -1.5% | 0.08% | -4.9% |
| Q2 2014 | $1,918,000 | +67.1% | 49,729 | -1.5% | 0.08% | +60.8% |
| Q1 2014 | $1,148,000 | – | 50,479 | – | 0.05% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Monashee Investment Management LLC | 125,000 | $13,131,000 | 5.55% |
| Cormorant Asset Management, LP | 275,000 | $28,889,000 | 4.79% |
| Eventide Asset Management | 569,700 | $59,847,000 | 3.73% |
| Crosspoint Capital Strategies, LLC | 28,937 | $3,040,000 | 2.66% |
| Casdin Capital, LLC | 65,000 | $6,828,000 | 2.53% |
| ARK Investment Management | 119,683 | $12,573,000 | 2.45% |
| RTW INVESTMENTS, LP | 104,383 | $10,965,000 | 2.31% |
| Taylor Wealth Management Partners | 38,368 | $4,031,000 | 1.82% |
| First Light Asset Management, LLC | 33,780 | $3,549,000 | 1.19% |
| Atika Capital Management LLC | 25,000 | $2,627,000 | 0.92% |