BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 306 filers reported holding BLUEBIRD BIO INC in Q1 2018. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2018 | $412,000 | +2.5% | 2,624 | +11.3% | 0.35% | -8.3% |
| Q1 2018 | $402,000 | -3.4% | 2,357 | +1.0% | 0.39% | -7.9% |
| Q4 2017 | $416,000 | +48.6% | 2,334 | +14.6% | 0.42% | +31.8% |
| Q3 2017 | $280,000 | -74.5% | 2,036 | -80.5% | 0.32% | -43.0% |
| Q2 2017 | $1,096,000 | +15.9% | 10,436 | +0.3% | 0.56% | +7.3% |
| Q1 2017 | $946,000 | +31.6% | 10,409 | -10.7% | 0.52% | +28.7% |
| Q4 2016 | $719,000 | +28.9% | 11,650 | +41.5% | 0.40% | +103.0% |
| Q3 2016 | $558,000 | +55700.0% | 8,234 | +137133.3% | 0.20% | – |
| Q2 2015 | $1,000 | – | 6 | – | 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% |