BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q3 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $1,037,000 | -21.7% | 54,249 | +31.0% | 0.01% | -25.0% |
| Q2 2021 | $1,324,000 | -1.0% | 41,405 | -6.6% | 0.01% | -11.1% |
| Q1 2021 | $1,337,000 | -24.6% | 44,341 | +8.2% | 0.01% | -18.2% |
| Q4 2020 | $1,773,000 | -24.4% | 40,964 | -5.8% | 0.01% | -35.3% |
| Q3 2020 | $2,345,000 | -26.3% | 43,471 | -16.6% | 0.02% | -32.0% |
| Q2 2020 | $3,182,000 | +104.4% | 52,135 | +53.9% | 0.02% | +56.2% |
| Q1 2020 | $1,557,000 | -57.1% | 33,886 | -18.0% | 0.02% | -40.7% |
| Q4 2019 | $3,627,000 | +22.9% | 41,329 | +28.6% | 0.03% | +12.5% |
| Q3 2019 | $2,951,000 | -29.7% | 32,138 | -2.6% | 0.02% | -29.4% |
| Q2 2019 | $4,195,000 | -18.8% | 32,980 | +0.5% | 0.03% | -19.0% |
| Q1 2019 | $5,164,000 | +37.9% | 32,820 | -13.1% | 0.04% | +31.2% |
| Q4 2018 | $3,745,000 | -29.6% | 37,748 | +3.6% | 0.03% | -8.6% |
| Q3 2018 | $5,322,000 | +13.3% | 36,452 | +21.7% | 0.04% | +12.9% |
| Q2 2018 | $4,699,000 | -3.9% | 29,942 | +4.5% | 0.03% | +158.3% |
| Q1 2018 | $4,891,000 | +1.8% | 28,639 | +6.1% | 0.01% | +9.1% |
| Q4 2017 | $4,806,000 | -14.7% | 26,990 | -34.2% | 0.01% | -15.4% |
| Q3 2017 | $5,633,000 | +50.5% | 41,009 | +15.1% | 0.01% | +30.0% |
| Q2 2017 | $3,743,000 | -6.1% | 35,636 | -18.7% | 0.01% | -9.1% |
| Q1 2017 | $3,985,000 | +36.6% | 43,853 | -7.2% | 0.01% | +37.5% |
| Q4 2016 | $2,917,000 | -15.4% | 47,272 | -7.1% | 0.01% | -27.3% |
| Q3 2016 | $3,448,000 | +5.1% | 50,877 | -32.9% | 0.01% | +10.0% |
| Q2 2016 | $3,280,000 | -42.0% | 75,772 | -14.0% | 0.01% | -37.5% |
| Q4 2015 | $5,660,000 | -19.2% | 88,131 | +7.6% | 0.02% | -27.3% |
| Q3 2015 | $7,005,000 | -47.1% | 81,879 | +4.0% | 0.02% | -33.3% |
| Q2 2015 | $13,252,000 | +38.6% | 78,710 | -0.6% | 0.03% | +43.5% |
| Q1 2015 | $9,562,000 | +72.7% | 79,178 | +31.2% | 0.02% | +64.3% |
| Q4 2014 | $5,537,000 | – | 60,366 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 6,335,528 | $40,104,000 | 4.92% |
| qPULA Trading Management LP | 14,344 | $91,000 | 0.80% |
| Frazier Life Sciences Management, L.P. | 1,440,757 | $9,120,000 | 0.70% |
| Ikarian Capital, LLC | 462,628 | $2,928,000 | 0.58% |
| Birchview Capital, LP | 98,000 | $620,000 | 0.44% |
| HealthCor Management, L.P. | 455,000 | $2,880,000 | 0.36% |
| Financial Advocates Investment Management | 45,071 | $3,538,000 | 0.29% |
| PDT Partners, LLC | 262,767 | $1,663,000 | 0.25% |
| Monaco Asset Management SAM | 80,000 | $506,000 | 0.19% |
| Summit X, LLC | 103,424 | $651,000 | 0.19% |