BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 177 filers reported holding BLUEBIRD BIO INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $92,106 | -6.3% | 30,298 | +1.4% | 0.00% | 0.0% |
| Q2 2023 | $98,295 | +3.6% | 29,877 | +0.2% | 0.00% | 0.0% |
| Q1 2023 | $94,834 | -37.0% | 29,822 | +37.0% | 0.00% | 0.0% |
| Q4 2022 | $150,593 | +63.7% | 21,762 | +14.8% | 0.00% | 0.0% |
| Q1 2022 | $92,000 | -49.5% | 18,951 | +4.2% | 0.00% | 0.0% |
| Q4 2021 | $182,000 | -48.1% | 18,189 | -1.0% | 0.00% | -66.7% |
| Q3 2021 | $351,000 | -39.9% | 18,372 | +0.7% | 0.00% | -40.0% |
| Q2 2021 | $584,000 | +0.2% | 18,251 | -5.5% | 0.01% | 0.0% |
| Q1 2021 | $583,000 | -29.8% | 19,321 | +0.6% | 0.01% | -37.5% |
| Q4 2020 | $831,000 | -21.2% | 19,205 | -1.7% | 0.01% | -20.0% |
| Q3 2020 | $1,054,000 | +18.3% | 19,535 | +33.8% | 0.01% | -23.1% |
| Q2 2020 | $891,000 | +49.2% | 14,604 | +12.4% | 0.01% | +30.0% |
| Q1 2020 | $597,000 | – | 12,990 | – | 0.01% | – |
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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% |