BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 236 filers reported holding BLUEBIRD BIO INC in Q2 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $17,586,000 | -3.9% | 423,098 | -0.0% | 0.15% | +0.7% |
| Q4 2020 | $18,309,000 | +3.0% | 423,114 | +28.4% | 0.14% | -13.2% |
| Q3 2020 | $17,784,000 | -30.2% | 329,646 | -21.0% | 0.17% | -37.9% |
| Q2 2020 | $25,476,000 | +24.9% | 417,348 | +75.5% | 0.27% | +19.0% |
| Q1 2020 | $20,403,000 | -2.2% | 237,859 | +0.0% | 0.23% | +0.9% |
| Q4 2019 | $20,871,000 | +34.4% | 237,842 | +40.7% | 0.22% | +8.7% |
| Q3 2019 | $15,527,000 | -27.5% | 169,100 | 0.0% | 0.21% | -22.8% |
| Q2 2019 | $21,415,000 | -19.5% | 169,100 | 0.0% | 0.27% | -21.5% |
| Q1 2019 | $26,606,000 | +58.6% | 169,100 | 0.0% | 0.34% | +31.8% |
| Q4 2018 | $16,774,000 | +10.9% | 169,100 | +63.2% | 0.26% | +28.4% |
| Q3 2018 | $15,126,000 | +46.9% | 103,600 | +57.9% | 0.20% | +23.3% |
| Q2 2018 | $10,296,000 | +63.0% | 65,600 | +77.3% | 0.16% | +50.9% |
| Q1 2018 | $6,318,000 | -15.5% | 37,000 | -11.9% | 0.11% | -16.3% |
| Q4 2017 | $7,480,000 | -6.1% | 42,000 | -27.6% | 0.13% | -7.2% |
| Q3 2017 | $7,966,000 | -22.6% | 58,000 | -40.8% | 0.14% | -28.0% |
| Q2 2017 | $10,295,000 | -29.7% | 98,000 | -39.1% | 0.19% | -31.8% |
| Q1 2017 | $14,636,000 | +73.2% | 161,000 | +17.5% | 0.28% | +45.9% |
| Q4 2016 | $8,452,000 | +256.3% | 137,000 | +291.4% | 0.19% | +240.4% |
| Q3 2016 | $2,372,000 | +24.5% | 35,000 | -20.5% | 0.06% | +14.0% |
| Q2 2016 | $1,905,000 | -23.0% | 44,000 | -24.8% | 0.05% | -19.4% |
| Q1 2016 | $2,473,000 | -33.8% | 58,500 | +0.5% | 0.06% | -38.0% |
| Q4 2015 | $3,738,000 | -1.1% | 58,200 | +31.7% | 0.10% | +7.5% |
| Q3 2015 | $3,781,000 | -59.2% | 44,200 | -19.6% | 0.09% | -51.8% |
| Q2 2015 | $9,260,000 | +59.7% | 55,000 | +14.6% | 0.19% | +65.0% |
| Q1 2015 | $5,798,000 | +23.9% | 48,000 | -5.9% | 0.12% | +19.4% |
| Q4 2014 | $4,678,000 | – | 51,000 | – | 0.10% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 5,910,687 | $24,470,000 | 3.71% |
| Monaco Asset Management SAM | 306,142 | $1,267,000 | 0.55% |
| Parametrica Management Ltd | 90,105 | $374,000 | 0.41% |
| Kamunting Street Capital Management, L.P. | 55,200 | $229,000 | 0.31% |
| Birchview Capital, LP | 98,000 | $406,000 | 0.30% |
| Kamunting Street Capital Management, L.P. | 35,000 | $145,000 | 0.20% |
| PDT Partners, LLC | 519,477 | $2,151,000 | 0.19% |
| Graham Capital Management, L.P. | 781,912 | $3,237,000 | 0.13% |
| CAXTON ASSOCIATES LP | 220,154 | $911,000 | 0.09% |
| Baker Brothers Advisors | 2,499,715 | $10,349,000 | 0.06% |