BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 238 filers reported holding BLUEBIRD BIO INC in Q1 2021. The put-call ratio across all filers is 1.69 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,706,000 | -49.2% | 170,787 | -2.7% | 0.10% | -66.3% |
| Q3 2021 | $3,355,000 | -30.6% | 175,587 | +16.1% | 0.30% | -39.8% |
| Q2 2021 | $4,835,000 | -8.5% | 151,173 | -13.7% | 0.50% | -6.6% |
| Q1 2021 | $5,282,000 | -65.4% | 175,178 | -38.1% | 0.53% | -72.4% |
| Q3 2020 | $15,273,000 | +93.0% | 283,087 | +118.4% | 1.93% | 0.0% |
| Q2 2020 | $7,912,000 | – | 129,622 | – | 1.93% | – |
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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% |