BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 249 filers reported holding BLUEBIRD BIO INC in Q3 2017. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $48 | -52.9% | 48,670 | -39.2% | 0.00% | – |
| Q1 2024 | $102 | +410.0% | 80,032 | +458.8% | 0.00% | – |
| Q4 2023 | $20 | -85.1% | 14,322 | -65.9% | 0.00% | -100.0% |
| Q1 2023 | $134 | -18.3% | 42,060 | +76.9% | 0.00% | 0.0% |
| Q4 2022 | $164 | -99.9% | 23,770 | +34.8% | 0.00% | +100.0% |
| Q3 2022 | $112,000 | -4.3% | 17,630 | -37.6% | 0.00% | 0.0% |
| Q2 2022 | $117,000 | +98.3% | 28,253 | +133.1% | 0.00% | – |
| Q1 2022 | $59,000 | -74.1% | 12,123 | -46.8% | 0.00% | -100.0% |
| Q4 2021 | $228,000 | -71.5% | 22,807 | -45.6% | 0.00% | -75.0% |
| Q3 2021 | $801,000 | -31.3% | 41,926 | +15.0% | 0.00% | -20.0% |
| Q2 2021 | $1,166,000 | +78.0% | 36,462 | +67.8% | 0.01% | +66.7% |
| Q1 2021 | $655,000 | -59.1% | 21,735 | -26.7% | 0.00% | -70.0% |
| Q3 2020 | $1,600,000 | +281.9% | 29,654 | +332.1% | 0.01% | +233.3% |
| Q2 2020 | $419,000 | -65.4% | 6,863 | -73.9% | 0.00% | -72.7% |
| Q1 2020 | $1,210,000 | +789.7% | 26,338 | +1598.1% | 0.01% | +1000.0% |
| Q4 2019 | $136,000 | +9.7% | 1,551 | +15.1% | 0.00% | 0.0% |
| Q3 2019 | $124,000 | -70.1% | 1,348 | -58.7% | 0.00% | -66.7% |
| Q2 2019 | $415,000 | +98.6% | 3,263 | +145.3% | 0.00% | +50.0% |
| Q1 2019 | $209,000 | +43.2% | 1,330 | -9.9% | 0.00% | +100.0% |
| Q4 2018 | $146,000 | -31.8% | 1,476 | +0.6% | 0.00% | -50.0% |
| Q3 2018 | $214,000 | -63.2% | 1,467 | -57.0% | 0.00% | -60.0% |
| Q1 2018 | $582,000 | +6.4% | 3,411 | -14.3% | 0.01% | 0.0% |
| Q3 2017 | $547,000 | +168.1% | 3,982 | +104.7% | 0.01% | +150.0% |
| Q2 2017 | $204,000 | +36.0% | 1,945 | +17.9% | 0.00% | +100.0% |
| Q1 2017 | $150,000 | -82.8% | 1,650 | -88.3% | 0.00% | -85.7% |
| Q4 2016 | $871,000 | -21.7% | 14,115 | -14.0% | 0.01% | -41.7% |
| Q3 2016 | $1,113,000 | +42.3% | 16,419 | +79.6% | 0.01% | +140.0% |
| Q3 2015 | $782,000 | +535.8% | 9,140 | +1146.9% | 0.01% | +400.0% |
| Q2 2015 | $123,000 | -84.5% | 733 | -88.8% | 0.00% | -80.0% |
| Q1 2015 | $792,000 | +46.4% | 6,556 | +11.2% | 0.01% | +66.7% |
| Q4 2014 | $541,000 | – | 5,894 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 1,964,000 | $59,215,000 | 1.36% |
| Birchview Capital, LP | 75,500 | $2,276,000 | 1.35% |
| Camber Capital Management LP | 1,000,000 | $30,150,000 | 1.04% |
| Sessa Capital IM, L.P. | 875,000 | $26,381,000 | 1.02% |
| Bain Capital Life Sciences Investors, LLC | 538,179 | $16,226,000 | 0.92% |
| Tarsadia Capital, LLC | 100,000 | $3,015,000 | 0.81% |
| Bullseye Asset Management LLC | 67,872 | $2,046,000 | 0.76% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 1,304,246 | $39,323,000 | 0.58% |
| MANGROVE PARTNERS IM, LLC | 175,178 | $5,282,000 | 0.53% |
| Parametrica Management Ltd | 37,712 | $1,080,000 | 0.52% |