BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 249 filers reported holding BLUEBIRD BIO INC in Q3 2017. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $21,000 | +31.2% | 150 | 0.0% | 0.00% | +50.0% |
| Q2 2017 | $16,000 | +14.3% | 150 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $14,000 | +55.6% | 150 | 0.0% | 0.00% | +100.0% |
| Q4 2016 | $9,000 | -10.0% | 150 | 0.0% | 0.00% | -50.0% |
| Q3 2016 | $10,000 | +66.7% | 150 | 0.0% | 0.00% | +100.0% |
| Q2 2016 | $6,000 | 0.0% | 150 | 0.0% | 0.00% | 0.0% |
| Q1 2016 | $6,000 | – | 150 | – | 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% |