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 2023 | $12 | -7.7% | 3,860 | 0.0% | 0.00% | – |
Q2 2023 | $13 | +8.3% | 3,860 | 0.0% | 0.00% | – |
Q1 2023 | $12 | -55.6% | 3,860 | 0.0% | 0.00% | – |
Q4 2022 | $27 | -99.9% | 3,860 | -5.3% | 0.00% | – |
Q1 2022 | $20,000 | -47.4% | 4,078 | +6.7% | 0.00% | – |
Q4 2021 | $38,000 | -44.9% | 3,821 | +6.5% | 0.00% | – |
Q3 2021 | $69,000 | -40.0% | 3,587 | 0.0% | 0.00% | – |
Q2 2021 | $115,000 | -12.9% | 3,587 | -18.8% | 0.00% | – |
Q1 2021 | $132,000 | -30.9% | 4,419 | 0.0% | 0.00% | – |
Q4 2020 | $191,000 | -19.7% | 4,419 | 0.0% | 0.00% | -100.0% |
Q3 2020 | $238,000 | -11.2% | 4,419 | 0.0% | 0.00% | 0.0% |
Q2 2020 | $268,000 | +48.9% | 4,419 | +13.9% | 0.00% | – |
Q1 2020 | $180,000 | -46.7% | 3,880 | 0.0% | 0.00% | -100.0% |
Q4 2019 | $338,000 | +2.1% | 3,880 | +7.6% | 0.00% | 0.0% |
Q3 2019 | $331,000 | -61.9% | 3,605 | -47.3% | 0.00% | -50.0% |
Q2 2019 | $869,000 | -26.9% | 6,839 | -9.8% | 0.00% | -33.3% |
Q1 2019 | $1,189,000 | +89.6% | 7,579 | +15.8% | 0.00% | +50.0% |
Q4 2018 | $627,000 | -22.4% | 6,547 | +18.4% | 0.00% | 0.0% |
Q3 2018 | $808,000 | -6.9% | 5,531 | 0.0% | 0.00% | 0.0% |
Q2 2018 | $868,000 | -8.2% | 5,531 | 0.0% | 0.00% | 0.0% |
Q1 2018 | $946,000 | -3.8% | 5,531 | 0.0% | 0.00% | 0.0% |
Q4 2017 | $983,000 | +26.3% | 5,531 | 0.0% | 0.00% | 0.0% |
Q3 2017 | $778,000 | +64.5% | 5,531 | +22.7% | 0.00% | +100.0% |
Q2 2017 | $473,000 | +15.6% | 4,509 | 0.0% | 0.00% | 0.0% |
Q1 2017 | $409,000 | +87.6% | 4,509 | +28.5% | 0.00% | 0.0% |
Q4 2016 | $218,000 | -66.5% | 3,509 | -63.5% | 0.00% | 0.0% |
Q3 2016 | $650,000 | +357.7% | 9,618 | +192.8% | 0.00% | – |
Q2 2016 | $142,000 | +2.2% | 3,285 | 0.0% | 0.00% | -100.0% |
Q1 2016 | $139,000 | -34.1% | 3,285 | 0.0% | 0.00% | 0.0% |
Q4 2015 | $211,000 | -25.2% | 3,285 | 0.0% | 0.00% | 0.0% |
Q3 2015 | $282,000 | -35.5% | 3,285 | +26.3% | 0.00% | -50.0% |
Q2 2015 | $437,000 | +39.6% | 2,600 | 0.0% | 0.00% | +100.0% |
Q1 2015 | $313,000 | +31.5% | 2,600 | 0.0% | 0.00% | 0.0% |
Q4 2014 | $238,000 | +153.2% | 2,600 | 0.0% | 0.00% | – |
Q3 2014 | $94,000 | – | 2,600 | – | 0.00% | – |
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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% |