BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 255 filers reported holding BLUEBIRD BIO INC in Q4 2018. The put-call ratio across all filers is 0.54 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $224 | +672.4% | 23,659 | +171.5% | 0.00% | – |
| Q2 2023 | $29 | +3.6% | 8,715 | 0.0% | 0.00% | – |
| Q1 2023 | $28 | -53.3% | 8,715 | 0.0% | 0.00% | – |
| Q4 2022 | $60 | -99.9% | 8,715 | 0.0% | 0.00% | – |
| Q3 2022 | $55,000 | +52.8% | 8,715 | 0.0% | 0.00% | – |
| Q2 2022 | $36,000 | -14.3% | 8,715 | 0.0% | 0.00% | – |
| Q1 2022 | $42,000 | -51.7% | 8,715 | 0.0% | 0.00% | – |
| Q4 2021 | $87,000 | -47.9% | 8,715 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $167,000 | -40.1% | 8,715 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $279,000 | +6.1% | 8,715 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $263,000 | -30.2% | 8,715 | 0.0% | 0.00% | -50.0% |
| Q4 2020 | $377,000 | -19.8% | 8,715 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $470,000 | -11.7% | 8,715 | 0.0% | 0.00% | -33.3% |
| Q2 2020 | $532,000 | +32.7% | 8,715 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $401,000 | -35.8% | 8,715 | +22.4% | 0.00% | -25.0% |
| Q4 2019 | $625,000 | -4.4% | 7,118 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $654,000 | -27.7% | 7,118 | 0.0% | 0.00% | -33.3% |
| Q2 2019 | $905,000 | -19.2% | 7,118 | 0.0% | 0.01% | -14.3% |
| Q1 2019 | $1,120,000 | +24.2% | 7,118 | -21.7% | 0.01% | +16.7% |
| Q4 2018 | $902,000 | -32.2% | 9,093 | -0.3% | 0.01% | -25.0% |
| Q3 2018 | $1,331,000 | -5.5% | 9,116 | +1.6% | 0.01% | -11.1% |
| Q2 2018 | $1,409,000 | +16.0% | 8,976 | +26.1% | 0.01% | +12.5% |
| Q1 2018 | $1,215,000 | -4.2% | 7,118 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $1,268,000 | +29.7% | 7,118 | 0.0% | 0.01% | +14.3% |
| Q3 2017 | $978,000 | +30.7% | 7,118 | 0.0% | 0.01% | +16.7% |
| Q2 2017 | $748,000 | +15.6% | 7,118 | 0.0% | 0.01% | +20.0% |
| Q1 2017 | $647,000 | +47.4% | 7,118 | 0.0% | 0.01% | +25.0% |
| Q4 2016 | $439,000 | -8.9% | 7,118 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $482,000 | +56.5% | 7,118 | 0.0% | 0.00% | +33.3% |
| Q2 2016 | $308,000 | -12.3% | 7,118 | -13.9% | 0.00% | 0.0% |
| Q1 2016 | $351,000 | -21.3% | 8,266 | +19.1% | 0.00% | -25.0% |
| Q4 2015 | $446,000 | -24.8% | 6,943 | +0.1% | 0.00% | -20.0% |
| Q3 2015 | $593,000 | -48.6% | 6,933 | +1.2% | 0.01% | -44.4% |
| Q2 2015 | $1,153,000 | +64.7% | 6,850 | +18.2% | 0.01% | +50.0% |
| Q1 2015 | $700,000 | – | 5,793 | – | 0.01% | – |
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% |