BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 303 filers reported holding BLUEBIRD BIO INC in Q4 2017. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $18,024,000 | -19.2% | 141,700 | 0.0% | 0.49% | -18.5% |
| Q1 2019 | $22,294,000 | +58.6% | 141,700 | 0.0% | 0.60% | +47.5% |
| Q4 2018 | $14,057,000 | -32.1% | 141,700 | 0.0% | 0.41% | -27.5% |
| Q3 2018 | $20,688,000 | -7.0% | 141,700 | 0.0% | 0.56% | -11.1% |
| Q2 2018 | $22,240,000 | -8.1% | 141,700 | 0.0% | 0.63% | -17.9% |
| Q1 2018 | $24,195,000 | +47.7% | 141,700 | +54.0% | 0.77% | +21.2% |
| Q4 2017 | $16,385,000 | – | 92,000 | – | 0.63% | – |
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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% |