BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 207 filers reported holding BLUEBIRD BIO INC in Q3 2016. The put-call ratio across all filers is 1.20 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $10,950,000 | -33.6% | 75,000 | -28.6% | 2.33% | -52.0% |
| Q2 2018 | $16,480,000 | +790.3% | 105,000 | +250.0% | 4.85% | +989.9% |
| Q4 2016 | $1,851,000 | -54.5% | 30,000 | -50.0% | 0.44% | -32.6% |
| Q3 2016 | $4,067,000 | -44.7% | 60,000 | -64.7% | 0.66% | -68.9% |
| Q2 2016 | $7,359,000 | -4.5% | 170,000 | +41.7% | 2.12% | -32.6% |
| Q4 2015 | $7,706,000 | +6.3% | 120,000 | +100.0% | 3.16% | +142.1% |
| Q1 2015 | $7,246,000 | +163.3% | 60,000 | +100.0% | 1.30% | -1.4% |
| Q4 2014 | $2,752,000 | +119.1% | 30,000 | -14.3% | 1.32% | +93.7% |
| Q3 2014 | $1,256,000 | – | 35,000 | – | 0.68% | – |
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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% |