BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 296 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $140,456,000 | +75.4% | 892,749 | +10.6% | 0.18% | +53.5% |
| Q4 2018 | $80,086,000 | -30.6% | 807,329 | +2.1% | 0.11% | -14.9% |
| Q3 2018 | $115,478,000 | -7.3% | 790,936 | -0.4% | 0.13% | -10.1% |
| Q2 2018 | $124,638,000 | -5.3% | 794,126 | +3.0% | 0.15% | -9.1% |
| Q1 2018 | $131,667,000 | -23.1% | 771,110 | -19.8% | 0.16% | -20.8% |
| Q4 2017 | $171,275,000 | +28.8% | 961,682 | -0.7% | 0.21% | +27.0% |
| Q3 2017 | $132,977,000 | +29.5% | 968,161 | -0.9% | 0.16% | +28.3% |
| Q2 2017 | $102,658,000 | +16.1% | 977,231 | +0.5% | 0.13% | +18.7% |
| Q1 2017 | $88,387,000 | +47.5% | 972,352 | +0.1% | 0.11% | +40.8% |
| Q4 2016 | $59,940,000 | +12.2% | 971,471 | +23.3% | 0.08% | +13.4% |
| Q3 2016 | $53,418,000 | -8.8% | 788,099 | -41.7% | 0.07% | -13.0% |
| Q2 2016 | $58,543,000 | +5.1% | 1,352,334 | +3.1% | 0.08% | +4.1% |
| Q1 2016 | $55,721,000 | -67.0% | 1,311,084 | -50.2% | 0.07% | -31.5% |
| Q4 2015 | $169,068,000 | +75.3% | 2,632,648 | +133.5% | 0.11% | -16.9% |
| Q3 2015 | $96,456,000 | -16.8% | 1,127,484 | +63.8% | 0.13% | -2.3% |
| Q2 2015 | $115,897,000 | +36.1% | 688,350 | -2.4% | 0.13% | +40.0% |
| Q1 2015 | $85,184,000 | +23.4% | 705,340 | -6.3% | 0.10% | +23.4% |
| Q4 2014 | $69,025,000 | – | 752,560 | – | 0.08% | – |
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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% |