BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $64,813 | -99.2% | 19,700 | -98.5% | 0.00% | -100.0% |
| Q3 2022 | $8,488,000 | +253.5% | 1,340,806 | +131.3% | 0.02% | +280.0% |
| Q2 2022 | $2,401,000 | -3.0% | 579,773 | +649.6% | 0.01% | -54.5% |
| Q2 2021 | $2,474,000 | -64.3% | 77,345 | -66.3% | 0.01% | -65.6% |
| Q1 2021 | $6,929,000 | +397.1% | 229,799 | +613.6% | 0.03% | +300.0% |
| Q4 2020 | $1,394,000 | +137.9% | 32,205 | +383.1% | 0.01% | +100.0% |
| Q4 2019 | $586,000 | -72.1% | 6,666 | -70.9% | 0.00% | -76.5% |
| Q3 2019 | $2,100,000 | -82.8% | 22,875 | -70.6% | 0.02% | -70.7% |
| Q1 2019 | $12,234,000 | +2973.9% | 77,762 | +3384.0% | 0.06% | +241.2% |
| Q4 2017 | $398,000 | -17.4% | 2,232 | -36.5% | 0.02% | -22.7% |
| Q3 2017 | $482,000 | +7.6% | 3,516 | -28.5% | 0.02% | 0.0% |
| Q1 2017 | $448,000 | +1.6% | 4,920 | -52.5% | 0.02% | +450.0% |
| Q1 2016 | $441,000 | -95.9% | 10,368 | -93.8% | 0.00% | -96.0% |
| Q4 2015 | $10,816,000 | +256.4% | 168,427 | +374.8% | 0.10% | +173.0% |
| Q3 2015 | $3,035,000 | -75.8% | 35,471 | -65.8% | 0.04% | -77.3% |
| Q1 2015 | $12,521,000 | +21.9% | 103,674 | -7.4% | 0.16% | +19.9% |
| Q4 2014 | $10,274,000 | +15706.2% | 112,019 | +6092.3% | 0.14% | +13500.0% |
| Q3 2014 | $65,000 | -94.0% | 1,809 | -93.5% | 0.00% | -93.8% |
| Q2 2014 | $1,079,000 | – | 27,972 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 4,282,827 | $13,019,794 | 1.84% |
| Birchview Capital, LP | 455,200 | $1,383,808 | 1.18% |
| PFM Health Sciences, LP | 6,040,934 | $18,364,439 | 0.86% |
| Lion Point Capital, LP | 531,256 | $1,615,018 | 0.72% |
| Endurant Capital Management LP | 251,785 | $765,426 | 0.69% |
| Bleichroeder LP | 900,000 | $2,736,000 | 0.67% |
| Connacht Asset Management LP | 31,634 | $96,167 | 0.57% |
| Granahan Investment Management | 5,137,778 | $15,618,845 | 0.56% |
| Frazier Life Sciences Management, L.P. | 1,709,907 | $5,198,117 | 0.34% |
| Contrarius Investment Management Ltd | 1,308,002 | $3,976 | 0.22% |