BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2022. The put-call ratio across all filers is 1.32 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $49,503 | -9.8% | 16,284 | -2.4% | 0.00% | – |
| Q2 2023 | $54,894 | -1.0% | 16,685 | -4.3% | 0.00% | – |
| Q1 2023 | $55,424 | -41.8% | 17,429 | +26.7% | 0.00% | -100.0% |
| Q4 2022 | $95,205 | +164.5% | 13,758 | +84.5% | 0.00% | – |
| Q1 2022 | $36,000 | -52.0% | 7,458 | 0.0% | 0.00% | – |
| Q4 2021 | $75,000 | -47.6% | 7,458 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $143,000 | -40.2% | 7,458 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $239,000 | -7.0% | 7,458 | -12.5% | 0.00% | -50.0% |
| Q1 2021 | $257,000 | -30.4% | 8,528 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $369,000 | -9.1% | 8,528 | +13.3% | 0.00% | -33.3% |
| Q3 2020 | $406,000 | -11.5% | 7,524 | 0.0% | 0.00% | -25.0% |
| Q2 2020 | $459,000 | +118.6% | 7,524 | +64.4% | 0.00% | +100.0% |
| Q1 2020 | $210,000 | -37.1% | 4,576 | +20.1% | 0.00% | -33.3% |
| Q4 2019 | $334,000 | -4.6% | 3,810 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $350,000 | -23.7% | 3,810 | +5.6% | 0.00% | -25.0% |
| Q2 2019 | $459,000 | -23.8% | 3,609 | -5.7% | 0.00% | -20.0% |
| Q1 2019 | $602,000 | +39.4% | 3,826 | -12.1% | 0.01% | +25.0% |
| Q4 2018 | $432,000 | -27.3% | 4,353 | +7.0% | 0.00% | -20.0% |
| Q3 2018 | $594,000 | -3.6% | 4,067 | +3.6% | 0.01% | 0.0% |
| Q2 2018 | $616,000 | -3.4% | 3,924 | +5.0% | 0.01% | -16.7% |
| Q1 2018 | $638,000 | +39.9% | 3,736 | +46.0% | 0.01% | +50.0% |
| Q4 2017 | $456,000 | +124.6% | 2,559 | +72.8% | 0.00% | +100.0% |
| Q3 2017 | $203,000 | +30.1% | 1,481 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $156,000 | -0.6% | 1,481 | -14.0% | 0.00% | 0.0% |
| Q1 2017 | $157,000 | +18.0% | 1,723 | -19.9% | 0.00% | +100.0% |
| Q4 2016 | $133,000 | -96.2% | 2,151 | -95.8% | 0.00% | -97.2% |
| Q3 2016 | $3,481,000 | +61.6% | 51,362 | +3.2% | 0.04% | +28.6% |
| Q2 2016 | $2,154,000 | +5.1% | 49,767 | +3.2% | 0.03% | +7.7% |
| Q1 2016 | $2,049,000 | -21.6% | 48,218 | +18.6% | 0.03% | -21.2% |
| Q4 2015 | $2,612,000 | -20.7% | 40,669 | +5.7% | 0.03% | -28.3% |
| Q3 2015 | $3,292,000 | +19264.7% | 38,483 | +38771.7% | 0.05% | – |
| Q2 2015 | $17,000 | +41.7% | 99 | 0.0% | 0.00% | – |
| Q1 2015 | $12,000 | – | 99 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 6,335,528 | $40,104,000 | 4.92% |
| qPULA Trading Management LP | 14,344 | $91,000 | 0.80% |
| Frazier Life Sciences Management, L.P. | 1,440,757 | $9,120,000 | 0.70% |
| Ikarian Capital, LLC | 462,628 | $2,928,000 | 0.58% |
| Birchview Capital, LP | 98,000 | $620,000 | 0.44% |
| HealthCor Management, L.P. | 455,000 | $2,880,000 | 0.36% |
| Financial Advocates Investment Management | 45,071 | $3,538,000 | 0.29% |
| PDT Partners, LLC | 262,767 | $1,663,000 | 0.25% |
| Monaco Asset Management SAM | 80,000 | $506,000 | 0.19% |
| Summit X, LLC | 103,424 | $651,000 | 0.19% |