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 | $17,243,000 | -19.8% | 398,494 | 0.0% | 0.04% | -29.7% |
| Q3 2020 | $21,499,000 | +8.1% | 398,494 | +22.3% | 0.06% | +1.6% |
| Q2 2020 | $19,888,000 | +32.8% | 325,821 | 0.0% | 0.06% | +5.0% |
| Q1 2020 | $14,975,000 | -47.6% | 325,821 | 0.0% | 0.06% | -35.5% |
| Q4 2019 | $28,591,000 | +10.7% | 325,821 | +15.9% | 0.09% | +1.1% |
| Q3 2019 | $25,822,000 | +41.7% | 281,220 | +96.3% | 0.09% | +50.8% |
| Q2 2019 | $18,227,000 | +364440.0% | 143,291 | +477536.7% | 0.06% | – |
| Q1 2019 | $5,000 | – | 30 | – | 0.00% | – |
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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% |