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 | $496 | -48.7% | 163 | -44.6% | 0.00% | – |
| Q2 2023 | $967 | +285.3% | 294 | +272.2% | 0.00% | – |
| Q1 2023 | $251 | -95.6% | 79 | -90.3% | 0.00% | -100.0% |
| Q4 2022 | $5,661 | +183.0% | 818 | +165.6% | 0.00% | – |
| Q3 2022 | $2,000 | – | 308 | +528.6% | 0.00% | – |
| Q2 2022 | $0 | -100.0% | 49 | -76.7% | 0.00% | – |
| Q1 2022 | $1,000 | 0.0% | 210 | +57.9% | 0.00% | – |
| Q4 2021 | $1,000 | -66.7% | 133 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $3,000 | +50.0% | 133 | +146.3% | 0.00% | – |
| Q1 2021 | $2,000 | -50.0% | 54 | -40.7% | 0.00% | -100.0% |
| Q4 2020 | $4,000 | +300.0% | 91 | +468.8% | 0.00% | – |
| Q2 2020 | $1,000 | – | 16 | – | 0.00% | – |
| Q1 2020 | $0 | – | 0 | – | 0.00% | – |
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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% |