BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 251 filers reported holding BLUEBIRD BIO INC in Q1 2020. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q4 2019 | $3,071,000 | -28.8% | 35,000 | -25.5% | 0.10% | -43.6% |
Q3 2019 | $4,316,000 | -27.8% | 47,000 | 0.0% | 0.17% | -20.4% |
Q2 2019 | $5,978,000 | -15.6% | 47,000 | +4.4% | 0.22% | -20.9% |
Q1 2019 | $7,080,000 | +58.6% | 45,000 | 0.0% | 0.27% | +29.4% |
Q4 2018 | $4,464,000 | -41.8% | 45,000 | -14.3% | 0.21% | -24.1% |
Q3 2018 | $7,665,000 | +8.5% | 52,500 | +16.7% | 0.28% | +2.2% |
Q2 2018 | $7,063,000 | -8.1% | 45,000 | 0.0% | 0.27% | -17.1% |
Q1 2018 | $7,684,000 | -4.1% | 45,000 | 0.0% | 0.33% | -9.9% |
Q4 2017 | $8,015,000 | +66.7% | 45,000 | +28.6% | 0.36% | +64.0% |
Q3 2017 | $4,807,000 | +43.0% | 35,000 | +9.4% | 0.22% | +30.6% |
Q2 2017 | $3,362,000 | +21.3% | 32,000 | +4.9% | 0.17% | +6.2% |
Q1 2017 | $2,772,000 | +57.7% | 30,500 | +7.0% | 0.16% | +35.6% |
Q4 2016 | $1,758,000 | +29.6% | 28,500 | +42.5% | 0.12% | +38.8% |
Q3 2016 | $1,356,000 | +56.6% | 20,000 | 0.0% | 0.08% | +32.8% |
Q2 2016 | $866,000 | +1.9% | 20,000 | 0.0% | 0.06% | -9.9% |
Q1 2016 | $850,000 | -33.8% | 20,000 | 0.0% | 0.07% | -26.8% |
Q4 2015 | $1,284,000 | -66.6% | 20,000 | -55.6% | 0.10% | -69.0% |
Q3 2015 | $3,850,000 | -49.2% | 45,000 | 0.0% | 0.31% | -43.4% |
Q2 2015 | $7,577,000 | +151.0% | 45,000 | +80.0% | 0.55% | +96.1% |
Q1 2015 | $3,019,000 | +31.7% | 25,000 | 0.0% | 0.28% | +5.2% |
Q4 2014 | $2,293,000 | – | 25,000 | – | 0.27% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
TANG CAPITAL MANAGEMENT LLC | 5,910,687 | $24,470,000 | 3.71% |
Monaco Asset Management SAM | 306,142 | $1,267,000 | 0.55% |
Parametrica Management Ltd | 90,105 | $374,000 | 0.41% |
Kamunting Street Capital Management, L.P. | 55,200 | $229,000 | 0.31% |
Birchview Capital, LP | 98,000 | $406,000 | 0.30% |
Kamunting Street Capital Management, L.P. | 35,000 | $145,000 | 0.20% |
PDT Partners, LLC | 519,477 | $2,151,000 | 0.19% |
Graham Capital Management, L.P. | 781,912 | $3,237,000 | 0.13% |
CAXTON ASSOCIATES LP | 220,154 | $911,000 | 0.09% |
Baker Brothers Advisors | 2,499,715 | $10,349,000 | 0.06% |