BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 177 filers reported holding BLUEBIRD BIO INC in Q4 2021. The put-call ratio across all filers is 1.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $132,383 | -7.6% | 43,547 | 0.0% | 0.00% | – |
Q2 2023 | $143,270 | +15.7% | 43,547 | +11.8% | 0.00% | – |
Q1 2023 | $123,851 | -44.9% | 38,947 | +20.0% | 0.00% | – |
Q4 2022 | $224,609 | +15.9% | 32,458 | +6.1% | 0.00% | – |
Q3 2022 | $193,724 | -20.3% | 30,604 | -47.9% | 0.00% | -100.0% |
Q2 2022 | $243,000 | -11.6% | 58,711 | +3.6% | 0.00% | 0.0% |
Q1 2022 | $275,000 | -41.2% | 56,679 | +21.1% | 0.00% | 0.0% |
Q4 2021 | $468,000 | -8.9% | 46,804 | +74.2% | 0.00% | 0.0% |
Q3 2021 | $514,000 | -39.6% | 26,874 | +1.0% | 0.00% | -50.0% |
Q2 2021 | $851,000 | +87.4% | 26,616 | +76.9% | 0.00% | +100.0% |
Q1 2021 | $454,000 | -33.8% | 15,049 | -5.0% | 0.00% | 0.0% |
Q4 2020 | $686,000 | -23.0% | 15,845 | -4.1% | 0.00% | -50.0% |
Q3 2020 | $891,000 | -14.1% | 16,521 | -2.8% | 0.00% | 0.0% |
Q2 2020 | $1,037,000 | +129.4% | 16,991 | +72.6% | 0.00% | +100.0% |
Q1 2020 | $452,000 | -46.8% | 9,842 | +1.6% | 0.00% | -50.0% |
Q4 2019 | $850,000 | -5.2% | 9,688 | -0.8% | 0.00% | 0.0% |
Q3 2019 | $897,000 | -62.0% | 9,769 | -47.4% | 0.00% | -60.0% |
Q2 2019 | $2,362,000 | -42.8% | 18,568 | -29.2% | 0.01% | -44.4% |
Q1 2019 | $4,128,000 | +43.6% | 26,239 | -9.4% | 0.01% | +28.6% |
Q4 2018 | $2,874,000 | -30.7% | 28,975 | +2.1% | 0.01% | -22.2% |
Q3 2018 | $4,145,000 | +3.4% | 28,384 | +11.1% | 0.01% | 0.0% |
Q2 2018 | $4,010,000 | -88.0% | 25,550 | -86.9% | 0.01% | -87.3% |
Q1 2018 | $33,355,000 | -8.8% | 195,347 | -4.9% | 0.07% | -6.6% |
Q4 2017 | $36,593,000 | -20.2% | 205,463 | -38.4% | 0.08% | -23.2% |
Q3 2017 | $45,837,000 | +100.7% | 333,721 | +53.5% | 0.10% | +94.1% |
Q2 2017 | $22,837,000 | +1462.0% | 217,398 | +1251.6% | 0.05% | +1600.0% |
Q1 2017 | $1,462,000 | +53.6% | 16,085 | +4.2% | 0.00% | +50.0% |
Q4 2016 | $952,000 | -10.2% | 15,430 | -1.3% | 0.00% | 0.0% |
Q3 2016 | $1,060,000 | +56.6% | 15,636 | 0.0% | 0.00% | 0.0% |
Q2 2016 | $677,000 | +2.0% | 15,636 | +0.0% | 0.00% | 0.0% |
Q1 2016 | $664,000 | -34.5% | 15,634 | -0.9% | 0.00% | 0.0% |
Q4 2015 | $1,013,000 | -27.1% | 15,771 | -2.9% | 0.00% | -33.3% |
Q3 2015 | $1,389,000 | -45.4% | 16,236 | +7.5% | 0.00% | -50.0% |
Q2 2015 | $2,542,000 | +80.2% | 15,098 | +29.2% | 0.01% | +100.0% |
Q1 2015 | $1,411,000 | +41.7% | 11,683 | +7.5% | 0.00% | +50.0% |
Q4 2014 | $996,000 | +155.4% | 10,864 | 0.0% | 0.00% | +100.0% |
Q3 2014 | $390,000 | -6.9% | 10,864 | 0.0% | 0.00% | 0.0% |
Q2 2014 | $419,000 | – | 10,864 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
TANG CAPITAL MANAGEMENT LLC | 4,282,827 | $13,019,794 | 1.84% |
Birchview Capital, LP | 455,200 | $1,383,808 | 1.18% |
PFM Health Sciences, LP | 6,040,934 | $18,364,439 | 0.86% |
Lion Point Capital, LP | 531,256 | $1,615,018 | 0.72% |
Endurant Capital Management LP | 251,785 | $765,426 | 0.69% |
Bleichroeder LP | 900,000 | $2,736,000 | 0.67% |
Connacht Asset Management LP | 31,634 | $96,167 | 0.57% |
Granahan Investment Management | 5,137,778 | $15,618,845 | 0.56% |
Frazier Life Sciences Management, L.P. | 1,709,907 | $5,198,117 | 0.34% |
Contrarius Investment Management Ltd | 1,308,002 | $3,976 | 0.22% |