BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q2 2019. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $1,568,000 | +427.9% | 52,021 | +722.7% | 0.04% | +178.6% |
| Q1 2020 | $297,000 | -78.6% | 6,323 | -60.0% | 0.01% | +600.0% |
| Q4 2019 | $1,387,000 | -4.4% | 15,808 | 0.0% | 0.00% | -97.2% |
| Q3 2019 | $1,451,000 | -27.8% | 15,808 | 0.0% | 0.07% | -1.4% |
| Q2 2019 | $2,011,000 | -36.1% | 15,808 | -21.0% | 0.07% | -54.7% |
| Q1 2019 | $3,147,000 | +581.2% | 20,005 | +532.1% | 0.16% | +455.2% |
| Q3 2018 | $462,000 | -95.3% | 3,165 | -95.0% | 0.03% | -94.4% |
| Q2 2018 | $9,934,000 | +164.7% | 63,292 | +77.2% | 0.52% | +119.1% |
| Q2 2017 | $3,753,000 | – | 35,726 | – | 0.24% | – |
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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% |