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 2021 | $1,583,000 | -44.0% | 82,831 | -6.2% | 0.02% | -40.0% |
| Q2 2021 | $2,825,000 | -22.0% | 88,338 | -26.4% | 0.02% | -28.6% |
| Q1 2021 | $3,621,000 | -30.1% | 120,084 | +0.3% | 0.04% | -39.7% |
| Q4 2020 | $5,179,000 | +12.3% | 119,697 | +19.3% | 0.06% | -18.3% |
| Q1 2020 | $4,612,000 | -52.9% | 100,343 | -10.0% | 0.07% | -6.6% |
| Q4 2019 | $9,786,000 | +3524.4% | 111,523 | +6954.0% | 0.08% | +3700.0% |
| Q1 2018 | $270,000 | -95.6% | 1,581 | -96.5% | 0.00% | -95.5% |
| Q3 2017 | $6,167,000 | +58.8% | 44,898 | +21.5% | 0.04% | +63.0% |
| Q2 2017 | $3,883,000 | +21.6% | 36,962 | +5.2% | 0.03% | +22.7% |
| Q1 2017 | $3,194,000 | +44.4% | 35,139 | -2.0% | 0.02% | +37.5% |
| Q4 2016 | $2,212,000 | -31.1% | 35,849 | -24.3% | 0.02% | -38.5% |
| Q3 2016 | $3,212,000 | +42.9% | 47,385 | -8.7% | 0.03% | +30.0% |
| Q2 2016 | $2,247,000 | +27.3% | 51,898 | +25.0% | 0.02% | +11.1% |
| Q1 2016 | $1,765,000 | -43.1% | 41,530 | -14.0% | 0.02% | -40.0% |
| Q4 2015 | $3,103,000 | +58.9% | 48,317 | +198.8% | 0.03% | +87.5% |
| Q1 2015 | $1,953,000 | – | 16,173 | – | 0.02% | – |
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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% |