BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q3 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $571,000 | -15.9% | 13,192 | +4.8% | 0.01% | -27.3% |
| Q3 2020 | $679,000 | -9.5% | 12,592 | +2.4% | 0.01% | -21.4% |
| Q2 2020 | $750,000 | +55.3% | 12,292 | +17.2% | 0.01% | +40.0% |
| Q1 2020 | $483,000 | -47.6% | 10,492 | 0.0% | 0.01% | -37.5% |
| Q4 2019 | $921,000 | -3.5% | 10,492 | +1.0% | 0.02% | -11.1% |
| Q3 2019 | $954,000 | -27.8% | 10,392 | 0.0% | 0.02% | -28.0% |
| Q2 2019 | $1,322,000 | -17.8% | 10,392 | +1.6% | 0.02% | -21.9% |
| Q1 2019 | $1,609,000 | +60.6% | 10,226 | +1.2% | 0.03% | +39.1% |
| Q4 2018 | $1,002,000 | -32.1% | 10,100 | 0.0% | 0.02% | -20.7% |
| Q3 2018 | $1,475,000 | +1.0% | 10,100 | +8.6% | 0.03% | -3.3% |
| Q2 2018 | $1,460,000 | +436.8% | 9,300 | +45.3% | 0.03% | +328.6% |
| Q1 2016 | $272,000 | -33.8% | 6,400 | 0.0% | 0.01% | -36.4% |
| Q4 2015 | $411,000 | -25.0% | 6,400 | 0.0% | 0.01% | -31.2% |
| Q3 2015 | $548,000 | -44.9% | 6,400 | +8.5% | 0.02% | -38.5% |
| Q2 2015 | $994,000 | – | 5,900 | – | 0.03% | – |
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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% |