BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 294 filers reported holding BLUEBIRD BIO INC in Q3 2018. The put-call ratio across all filers is 0.85 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $135,312,000 | -27.8% | 3,127,163 | -9.9% | 0.03% | -36.6% |
| Q3 2020 | $187,290,000 | -11.6% | 3,471,543 | +0.0% | 0.04% | -19.6% |
| Q2 2020 | $211,857,000 | +6.2% | 3,470,784 | -20.0% | 0.05% | -12.1% |
| Q1 2020 | $199,510,000 | -56.8% | 4,340,938 | -17.6% | 0.06% | -43.7% |
| Q4 2019 | $462,178,000 | -3.2% | 5,266,990 | +1.3% | 0.10% | -10.4% |
| Q3 2019 | $477,458,000 | -14.9% | 5,199,930 | +17.9% | 0.12% | -12.9% |
| Q2 2019 | $560,837,000 | -11.4% | 4,409,093 | +9.5% | 0.13% | -14.3% |
| Q1 2019 | $633,219,000 | +71.9% | 4,024,783 | +8.4% | 0.15% | +54.0% |
| Q4 2018 | $368,308,000 | -26.4% | 3,712,781 | +8.4% | 0.10% | -18.0% |
| Q3 2018 | $500,150,000 | +27.8% | 3,425,687 | +37.4% | 0.12% | +45.2% |
| Q2 2018 | $391,395,000 | +9.1% | 2,493,755 | +18.7% | 0.08% | +3.7% |
| Q1 2018 | $358,704,000 | +13.9% | 2,100,755 | +18.8% | 0.08% | +19.1% |
| Q4 2017 | $314,837,000 | +102.2% | 1,767,755 | +55.9% | 0.07% | +94.3% |
| Q3 2017 | $155,721,000 | +34.0% | 1,133,755 | +2.5% | 0.04% | +29.6% |
| Q2 2017 | $116,212,000 | +15.6% | 1,106,255 | 0.0% | 0.03% | +12.5% |
| Q1 2017 | $100,559,000 | +160.8% | 1,106,255 | +77.0% | 0.02% | +140.0% |
| Q4 2016 | $38,563,000 | -24.3% | 625,000 | -16.9% | 0.01% | -23.1% |
| Q3 2016 | $50,971,000 | +25.7% | 752,000 | -19.7% | 0.01% | +18.2% |
| Q2 2016 | $40,563,000 | -28.8% | 937,000 | -30.1% | 0.01% | -31.2% |
| Q1 2016 | $56,950,000 | -57.3% | 1,340,000 | -35.4% | 0.02% | -56.8% |
| Q4 2015 | $133,257,000 | +18.6% | 2,075,000 | +58.0% | 0.04% | +12.1% |
| Q3 2015 | $112,327,000 | -50.9% | 1,313,000 | -3.3% | 0.03% | -46.8% |
| Q2 2015 | $228,646,000 | +39.4% | 1,358,000 | 0.0% | 0.06% | +40.9% |
| Q1 2015 | $164,006,000 | +118.6% | 1,358,000 | +66.0% | 0.04% | +120.0% |
| Q4 2014 | $75,027,000 | – | 818,000 | – | 0.02% | – |
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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% |