BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 314 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $737,375 | -4.2% | 106,557 | -12.5% | 0.00% | 0.0% |
| Q3 2022 | $770,000 | -95.4% | 121,721 | -33.1% | 0.00% | -94.4% |
| Q3 2019 | $16,703,000 | -27.8% | 181,913 | 0.0% | 0.02% | -21.7% |
| Q2 2019 | $23,139,000 | -48.0% | 181,913 | -35.7% | 0.02% | -47.7% |
| Q1 2019 | $44,501,000 | +58.3% | 282,851 | -0.2% | 0.04% | +41.9% |
| Q4 2018 | $28,112,000 | -62.8% | 283,384 | -45.2% | 0.03% | -55.7% |
| Q3 2018 | $75,480,000 | -6.2% | 516,984 | +0.8% | 0.07% | -10.3% |
| Q2 2018 | $80,475,000 | -6.3% | 512,740 | +1.9% | 0.08% | -8.2% |
| Q1 2018 | $85,898,000 | -10.8% | 503,063 | -7.0% | 0.08% | -10.5% |
| Q4 2017 | $96,298,000 | +5.5% | 540,697 | -18.7% | 0.10% | +1.1% |
| Q3 2017 | $91,318,000 | +8.8% | 664,856 | -16.8% | 0.09% | +5.6% |
| Q2 2017 | $83,929,000 | +6.7% | 798,939 | -7.7% | 0.09% | +6.0% |
| Q1 2017 | $78,670,000 | +46.5% | 865,458 | -0.6% | 0.08% | +40.0% |
| Q4 2016 | $53,711,000 | -8.6% | 870,511 | +0.4% | 0.06% | -4.8% |
| Q3 2016 | $58,795,000 | +54.7% | 867,437 | -1.2% | 0.06% | +50.0% |
| Q2 2016 | $38,011,000 | +2.0% | 878,061 | +0.1% | 0.04% | +7.7% |
| Q1 2016 | $37,267,000 | -32.9% | 876,870 | +1.5% | 0.04% | -27.8% |
| Q4 2015 | $55,506,000 | +60.4% | 864,314 | +113.6% | 0.05% | +50.0% |
| Q3 2015 | $34,613,000 | -59.5% | 404,587 | -20.2% | 0.04% | -53.8% |
| Q2 2015 | $85,366,000 | +19.9% | 507,014 | -14.0% | 0.08% | +20.0% |
| Q1 2015 | $71,173,000 | +31.1% | 589,323 | -0.5% | 0.06% | +27.5% |
| Q4 2014 | $54,298,000 | +144.4% | 592,002 | -4.4% | 0.05% | +142.9% |
| Q3 2014 | $22,221,000 | -6.9% | 619,328 | +0.1% | 0.02% | -4.5% |
| Q2 2014 | $23,862,000 | +43.6% | 618,662 | -15.3% | 0.02% | +37.5% |
| Q1 2014 | $16,612,000 | -2.2% | 730,502 | -9.8% | 0.02% | -5.9% |
| Q4 2013 | $16,984,000 | +4.0% | 809,530 | +33.6% | 0.02% | 0.0% |
| Q3 2013 | $16,333,000 | – | 605,822 | – | 0.02% | – |
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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% |