BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q4 2019. The put-call ratio across all filers is 0.80 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $4,331,920 | -81.1% | 626,000 | +67.0% | 0.01% | -83.1% |
| Q2 2020 | $22,882,000 | -61.9% | 374,870 | -71.3% | 0.06% | -67.0% |
| Q1 2020 | $60,005,000 | +139.9% | 1,305,600 | +358.1% | 0.18% | +193.4% |
| Q4 2019 | $25,009,000 | +63.8% | 285,000 | +192.9% | 0.06% | +74.3% |
| Q2 2018 | $15,271,000 | +285.5% | 97,300 | +110.2% | 0.04% | +218.2% |
| Q3 2015 | $3,961,000 | -48.5% | 46,300 | +1.3% | 0.01% | -42.1% |
| Q2 2015 | $7,695,000 | – | 45,700 | – | 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% |