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 | $762 | -3.2% | 250,705 | +4.8% | 0.00% | 0.0% |
| Q2 2023 | $787 | -12.0% | 239,291 | -15.0% | 0.00% | 0.0% |
| Q1 2023 | $894 | -4.8% | 281,407 | +107.4% | 0.00% | 0.0% |
| Q4 2022 | $939 | -99.9% | 135,702 | -15.4% | 0.00% | 0.0% |
| Q3 2022 | $1,015,000 | +67.5% | 160,446 | +9.5% | 0.00% | 0.0% |
| Q2 2022 | $606,000 | +500.0% | 146,507 | +603.4% | 0.00% | – |
| Q1 2022 | $101,000 | -76.4% | 20,829 | -51.5% | 0.00% | – |
| Q4 2021 | $428,000 | -65.8% | 42,909 | +11.1% | 0.00% | -100.0% |
| Q3 2021 | $1,251,000 | +8.9% | 38,615 | +7.5% | 0.00% | 0.0% |
| Q2 2021 | $1,149,000 | -53.5% | 35,932 | -56.2% | 0.00% | -75.0% |
| Q1 2021 | $2,471,000 | +6.4% | 81,978 | +52.7% | 0.00% | +33.3% |
| Q4 2020 | $2,323,000 | +33.2% | 53,702 | +66.0% | 0.00% | +50.0% |
| Q3 2020 | $1,744,000 | +44.9% | 32,342 | +63.9% | 0.00% | 0.0% |
| Q2 2020 | $1,204,000 | -0.7% | 19,738 | -25.2% | 0.00% | 0.0% |
| Q1 2020 | $1,212,000 | -46.1% | 26,372 | +3.0% | 0.00% | -60.0% |
| Q4 2019 | $2,247,000 | +346.7% | 25,608 | +366.7% | 0.01% | +400.0% |
| Q3 2019 | $503,000 | +16.4% | 5,487 | +99.4% | 0.00% | 0.0% |
| Q1 2019 | $432,000 | -50.6% | 2,752 | -68.8% | 0.00% | -66.7% |
| Q4 2018 | $875,000 | -75.8% | 8,823 | -61.7% | 0.00% | -78.6% |
| Q2 2018 | $3,611,000 | +21141.2% | 23,011 | +22911.0% | 0.01% | +1300.0% |
| Q1 2018 | $17,000 | -98.2% | 100 | -98.6% | 0.00% | -97.4% |
| Q3 2017 | $967,000 | -16.3% | 7,045 | -35.9% | 0.04% | -22.0% |
| Q2 2017 | $1,155,000 | -27.7% | 10,996 | -37.4% | 0.05% | -27.5% |
| Q1 2017 | $1,597,000 | +9294.1% | 17,573 | +6131.6% | 0.07% | +6800.0% |
| Q4 2016 | $17,000 | -89.0% | 282 | -87.7% | 0.00% | -90.9% |
| Q3 2016 | $155,000 | +86.7% | 2,296 | +19.0% | 0.01% | +83.3% |
| Q2 2016 | $83,000 | -89.8% | 1,929 | -90.0% | 0.01% | -90.8% |
| Q1 2016 | $817,000 | +64.4% | 19,237 | +148.2% | 0.06% | +66.7% |
| Q4 2015 | $497,000 | -14.3% | 7,752 | +14.2% | 0.04% | -9.3% |
| Q3 2015 | $580,000 | -61.7% | 6,786 | -24.5% | 0.04% | -66.1% |
| Q2 2015 | $1,513,000 | +68.5% | 8,992 | +20.8% | 0.13% | +22.1% |
| Q1 2015 | $898,000 | +6.9% | 7,441 | -18.8% | 0.10% | +2.0% |
| Q4 2014 | $840,000 | – | 9,160 | – | 0.10% | – |
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% |