BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 219 filers reported holding BLUEBIRD BIO INC in Q1 2017. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $239,634 | -18.2% | 78,827 | -11.5% | 0.15% | -16.1% |
| Q2 2023 | $292,882 | +150.3% | 89,022 | +141.9% | 0.17% | +171.9% |
| Q1 2023 | $117,021 | -53.2% | 36,799 | +1.8% | 0.06% | -51.1% |
| Q4 2022 | $250,137 | +27.0% | 36,147 | -11.0% | 0.13% | +48.9% |
| Q1 2022 | $197,000 | -51.5% | 40,607 | 0.0% | 0.09% | -42.5% |
| Q4 2021 | $406,000 | +55.6% | 40,607 | +197.8% | 0.15% | +33.0% |
| Q3 2021 | $261,000 | -45.2% | 13,636 | -8.4% | 0.12% | -41.3% |
| Q2 2021 | $476,000 | +134.5% | 14,891 | +121.1% | 0.20% | +127.9% |
| Q1 2021 | $203,000 | -29.3% | 6,734 | +1.7% | 0.09% | -27.7% |
| Q4 2020 | $287,000 | +10.4% | 6,622 | +37.6% | 0.12% | -12.5% |
| Q3 2020 | $260,000 | -22.2% | 4,812 | -12.2% | 0.14% | -13.9% |
| Q2 2020 | $334,000 | +81.5% | 5,478 | +36.8% | 0.16% | +107.9% |
| Q1 2020 | $184,000 | -54.3% | 4,004 | -12.9% | 0.08% | +15.2% |
| Q4 2019 | $403,000 | +103.5% | 4,598 | +113.5% | 0.07% | +65.0% |
| Q3 2019 | $198,000 | -31.5% | 2,154 | -5.3% | 0.04% | -34.4% |
| Q2 2019 | $289,000 | -30.4% | 2,274 | -13.7% | 0.06% | -93.1% |
| Q1 2019 | $415,000 | +42.6% | 2,635 | -10.2% | 0.88% | +1666.0% |
| Q4 2018 | $291,000 | -17.3% | 2,934 | +21.7% | 0.05% | +38.9% |
| Q3 2018 | $352,000 | -45.6% | 2,410 | -41.5% | 0.04% | -93.7% |
| Q2 2018 | $647,000 | -8.7% | 4,120 | -0.8% | 0.57% | -7.0% |
| Q1 2018 | $709,000 | +105.5% | 4,152 | +114.1% | 0.62% | +42.0% |
| Q4 2017 | $345,000 | -14.6% | 1,939 | -34.2% | 0.43% | +701.9% |
| Q3 2017 | $404,000 | +43.8% | 2,945 | +10.1% | 0.05% | +28.6% |
| Q2 2017 | $281,000 | -23.8% | 2,675 | -34.0% | 0.04% | -36.4% |
| Q1 2017 | $369,000 | +63.3% | 4,056 | +10.6% | 0.07% | -2.9% |
| Q4 2016 | $226,000 | -45.9% | 3,667 | -40.5% | 0.07% | -66.3% |
| Q3 2016 | $418,000 | +56.6% | 6,165 | 0.0% | 0.20% | +2.0% |
| Q2 2016 | $267,000 | +47.5% | 6,165 | +45.0% | 0.20% | -20.5% |
| Q1 2016 | $181,000 | – | 4,252 | – | 0.25% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sessa Capital IM, L.P. | 1,834,965 | $35,066,000 | 1.72% |
| Birchview Capital, LP | 84,000 | $1,605,000 | 1.09% |
| ARMISTICE CAPITAL, LLC | 2,472,000 | $47,240,000 | 0.80% |
| EcoR1 Capital, LLC | 802,507 | $15,336,000 | 0.53% |
| Parametrica Management Ltd | 36,919 | $706,000 | 0.53% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $7,239,000 | 0.45% |
| APPLETON GROUP, LLC | 19,495 | $373,000 | 0.32% |
| MANGROVE PARTNERS IM, LLC | 175,587 | $3,355,000 | 0.30% |
| Quinn Opportunity Partners LLC | 230,100 | $4,397,000 | 0.28% |
| PDT Partners, LLC | 171,700 | $3,281,000 | 0.24% |