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 | $14,295,000 | +30.4% | 104,078 | -0.3% | 2.49% | +7.7% |
| Q2 2017 | $10,965,000 | +16.4% | 104,383 | +0.7% | 2.31% | -6.8% |
| Q1 2017 | $9,419,000 | +24.5% | 103,617 | -15.5% | 2.48% | -12.9% |
| Q4 2016 | $7,563,000 | +27.2% | 122,576 | +39.7% | 2.85% | +58.4% |
| Q3 2016 | $5,947,000 | -77.6% | 87,734 | -85.7% | 1.80% | -80.1% |
| Q2 2016 | $26,495,000 | +175.4% | 612,025 | +170.4% | 9.05% | +159.1% |
| Q1 2016 | $9,621,000 | -25.8% | 226,371 | +49.3% | 3.49% | -13.3% |
| Q3 2015 | $12,969,000 | -26.6% | 151,594 | +44.4% | 4.03% | -21.7% |
| Q2 2015 | $17,679,000 | +46.4% | 105,000 | +5.0% | 5.15% | -5.6% |
| Q1 2015 | $12,077,000 | – | 100,000 | – | 5.45% | – |
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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% |