BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $17,077,079 | -6.8% | 5,617,460 | +0.8% | 0.00% | – |
| Q2 2023 | $18,329,392 | +6.3% | 5,571,244 | +2.7% | 0.00% | – |
| Q1 2023 | $17,242,831 | -41.6% | 5,422,274 | +27.1% | 0.00% | -100.0% |
| Q4 2022 | $29,522,935 | +25.7% | 4,266,320 | +15.0% | 0.00% | 0.0% |
| Q3 2022 | $23,482,000 | +61.7% | 3,709,607 | +5.8% | 0.00% | – |
| Q2 2022 | $14,518,000 | -49.5% | 3,506,909 | -40.8% | 0.00% | -100.0% |
| Q1 2022 | $28,749,000 | -60.2% | 5,927,556 | -18.1% | 0.00% | -50.0% |
| Q4 2021 | $72,263,000 | -46.7% | 7,233,590 | +2.0% | 0.00% | -33.3% |
| Q3 2021 | $135,475,000 | -39.1% | 7,089,204 | +1.8% | 0.00% | -50.0% |
| Q2 2021 | $222,615,000 | +8.6% | 6,961,075 | +2.4% | 0.01% | 0.0% |
| Q1 2021 | $204,945,000 | -26.7% | 6,797,519 | +5.2% | 0.01% | -25.0% |
| Q4 2020 | $279,663,000 | -18.0% | 6,463,232 | +2.2% | 0.01% | -27.3% |
| Q3 2020 | $341,029,000 | -8.4% | 6,321,228 | +3.7% | 0.01% | -15.4% |
| Q2 2020 | $372,164,000 | +108.9% | 6,097,060 | +57.3% | 0.01% | +62.5% |
| Q1 2020 | $178,143,000 | -46.2% | 3,876,042 | +2.8% | 0.01% | -27.3% |
| Q4 2019 | $330,937,000 | -4.7% | 3,771,360 | -0.3% | 0.01% | -15.4% |
| Q3 2019 | $347,273,000 | -28.3% | 3,782,102 | -0.7% | 0.01% | -27.8% |
| Q2 2019 | $484,366,000 | -37.1% | 3,807,915 | -22.2% | 0.02% | -40.0% |
| Q1 2019 | $769,771,000 | +61.8% | 4,892,714 | +2.0% | 0.03% | +42.9% |
| Q4 2018 | $475,818,000 | -29.4% | 4,796,557 | +3.8% | 0.02% | -19.2% |
| Q3 2018 | $674,435,000 | +2.4% | 4,619,413 | +10.1% | 0.03% | -7.1% |
| Q2 2018 | $658,648,000 | -7.6% | 4,196,547 | +0.5% | 0.03% | -9.7% |
| Q1 2018 | $712,843,000 | -1.2% | 4,174,775 | +3.0% | 0.03% | -3.1% |
| Q4 2017 | $721,855,000 | +42.7% | 4,053,085 | +10.0% | 0.03% | +33.3% |
| Q3 2017 | $505,982,000 | +35.3% | 3,683,881 | +3.5% | 0.02% | +33.3% |
| Q2 2017 | $373,884,000 | +27.9% | 3,559,102 | +10.7% | 0.02% | +20.0% |
| Q1 2017 | $292,266,000 | +54.1% | 3,215,246 | +4.6% | 0.02% | +36.4% |
| Q4 2016 | $189,663,000 | +2.3% | 3,073,953 | +12.4% | 0.01% | 0.0% |
| Q3 2016 | $185,428,000 | +59.8% | 2,735,732 | +2.0% | 0.01% | +57.1% |
| Q2 2016 | $116,055,000 | +16.3% | 2,680,871 | +14.2% | 0.01% | +16.7% |
| Q1 2016 | $99,767,000 | -34.5% | 2,347,475 | -1.0% | 0.01% | -40.0% |
| Q4 2015 | $152,303,000 | -78.9% | 2,371,577 | -82.4% | 0.01% | -63.0% |
| Q3 2015 | $720,998,000 | +106.3% | 13,496,169 | +550.3% | 0.03% | +12.5% |
| Q2 2015 | $349,430,000 | +108.6% | 2,075,365 | +49.6% | 0.02% | +118.2% |
| Q1 2015 | $167,499,000 | +137.6% | 1,386,924 | +80.5% | 0.01% | +120.0% |
| Q4 2014 | $70,489,000 | +213.0% | 768,517 | +22.4% | 0.01% | +150.0% |
| Q3 2014 | $22,521,000 | +45.3% | 627,673 | +56.2% | 0.00% | +100.0% |
| Q2 2014 | $15,502,000 | +206.0% | 401,904 | +80.4% | 0.00% | – |
| Q1 2014 | $5,066,000 | +95.0% | 222,779 | +79.9% | 0.00% | – |
| Q4 2013 | $2,598,000 | -8.2% | 123,817 | +18.0% | 0.00% | – |
| Q3 2013 | $2,829,000 | – | 104,928 | – | 0.00% | – |
Download | ||||||
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% |