BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 197 filers reported holding BLUEBIRD BIO INC in Q3 2021. The put-call ratio across all filers is 1.22 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $51,996,000 | +18.3% | 5,204,825 | +126.3% | 0.05% | +8.5% |
| Q3 2021 | $43,953,000 | -37.2% | 2,300,025 | +5.1% | 0.05% | -38.2% |
| Q2 2021 | $69,952,000 | +66.5% | 2,187,379 | +56.9% | 0.08% | +49.0% |
| Q1 2021 | $42,023,000 | -16.7% | 1,393,803 | +19.6% | 0.05% | -23.9% |
| Q4 2020 | $50,428,000 | -19.1% | 1,165,429 | +0.9% | 0.07% | -33.0% |
| Q3 2020 | $62,304,000 | -12.8% | 1,154,846 | -1.3% | 0.10% | -19.4% |
| Q2 2020 | $71,431,000 | +168.5% | 1,170,234 | +102.1% | 0.12% | +106.7% |
| Q1 2020 | $26,608,000 | -46.5% | 578,931 | +2.2% | 0.06% | -29.4% |
| Q4 2019 | $49,703,000 | +23.4% | 566,412 | +29.1% | 0.08% | +11.8% |
| Q3 2019 | $40,270,000 | -62.4% | 438,578 | -47.9% | 0.08% | -62.4% |
| Q2 2019 | $107,118,000 | -10.8% | 842,121 | +10.3% | 0.20% | -15.5% |
| Q1 2019 | $120,091,000 | +61.9% | 763,308 | +2.1% | 0.24% | +35.8% |
| Q4 2018 | $74,195,000 | -15.6% | 747,929 | +24.3% | 0.18% | +7.3% |
| Q3 2018 | $87,875,000 | +51.9% | 601,883 | +63.2% | 0.16% | +36.7% |
| Q2 2018 | $57,869,000 | +12.8% | 368,708 | +22.7% | 0.12% | +1.7% |
| Q1 2018 | $51,302,000 | +971.9% | 300,450 | +1018.1% | 0.12% | +972.7% |
| Q4 2017 | $4,786,000 | +5.5% | 26,871 | -18.7% | 0.01% | -8.3% |
| Q3 2017 | $4,538,000 | +92.0% | 33,043 | +46.9% | 0.01% | +100.0% |
| Q2 2017 | $2,363,000 | -91.6% | 22,491 | -93.2% | 0.01% | -92.7% |
| Q3 2015 | $28,218,000 | – | 329,842 | – | 0.08% | – |
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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% |