BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 247 filers reported holding BLUEBIRD BIO INC in Q2 2017. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $436,000 | -62.7% | 2,769 | -62.9% | 0.01% | -57.9% |
| Q2 2018 | $1,170,000 | -21.9% | 7,457 | -15.0% | 0.02% | -29.6% |
| Q1 2018 | $1,498,000 | -35.5% | 8,772 | -32.8% | 0.03% | -28.9% |
| Q4 2017 | $2,324,000 | -9.7% | 13,051 | -30.4% | 0.04% | -7.3% |
| Q3 2017 | $2,575,000 | +16.2% | 18,748 | -11.1% | 0.04% | +17.1% |
| Q2 2017 | $2,216,000 | -13.1% | 21,096 | -24.8% | 0.04% | -7.9% |
| Q1 2017 | $2,550,000 | +69.5% | 28,050 | +15.0% | 0.04% | +72.7% |
| Q4 2016 | $1,504,000 | – | 24,384 | – | 0.02% | – |
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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% |