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 2020 | $1,000 | -50.0% | 13 | -43.5% | 0.00% | – |
| Q4 2019 | $2,000 | -100.0% | 23 | -100.0% | 0.00% | -100.0% |
| Q3 2019 | $11,362,000 | -5.8% | 123,744 | +30.5% | 0.06% | -7.8% |
| Q2 2019 | $12,060,000 | -15.4% | 94,817 | +4.6% | 0.06% | -21.0% |
| Q1 2019 | $14,263,000 | +85.6% | 90,657 | +17.1% | 0.08% | +52.8% |
| Q4 2018 | $7,683,000 | -40.7% | 77,449 | -12.8% | 0.05% | -30.3% |
| Q3 2018 | $12,966,000 | -6.3% | 88,806 | +0.7% | 0.08% | -14.6% |
| Q2 2018 | $13,838,000 | -4.3% | 88,167 | +4.1% | 0.09% | -17.6% |
| Q1 2018 | $14,456,000 | – | 84,662 | – | 0.11% | – |
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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% |