BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 207 filers reported holding BLUEBIRD BIO INC in Q3 2016. The put-call ratio across all filers is 1.20 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $5,992,000 | +160.2% | 187,352 | +145.2% | 0.01% | +133.3% |
| Q1 2021 | $2,303,000 | +25.6% | 76,393 | +80.3% | 0.00% | +50.0% |
| Q4 2020 | $1,834,000 | -25.3% | 42,379 | -6.8% | 0.00% | -50.0% |
| Q3 2020 | $2,454,000 | +152.2% | 45,479 | +185.3% | 0.00% | +100.0% |
| Q2 2020 | $973,000 | -91.6% | 15,942 | -82.5% | 0.00% | -92.0% |
| Q2 2019 | $11,605,000 | -28.9% | 91,236 | -12.0% | 0.02% | -30.6% |
| Q1 2019 | $16,312,000 | +60.1% | 103,683 | +0.9% | 0.04% | +38.5% |
| Q4 2018 | $10,190,000 | -51.9% | 102,722 | -29.2% | 0.03% | -42.2% |
| Q3 2018 | $21,188,000 | -13.2% | 145,122 | -6.7% | 0.04% | -22.4% |
| Q2 2018 | $24,416,000 | -10.2% | 155,568 | -2.3% | 0.06% | -13.4% |
| Q1 2018 | $27,175,000 | -7.1% | 159,151 | -3.1% | 0.07% | -10.7% |
| Q4 2017 | $29,265,000 | +89.2% | 164,318 | +45.9% | 0.08% | +70.5% |
| Q3 2017 | $15,465,000 | +16.4% | 112,594 | -36.1% | 0.04% | +7.3% |
| Q2 2017 | $13,286,000 | -20.1% | 176,326 | -3.6% | 0.04% | -24.1% |
| Q1 2017 | $16,620,000 | +85.9% | 182,841 | +26.2% | 0.05% | +63.6% |
| Q4 2016 | $8,941,000 | +206.4% | 144,916 | +236.6% | 0.03% | +200.0% |
| Q3 2016 | $2,918,000 | +123.1% | 43,057 | +49.0% | 0.01% | +120.0% |
| Q2 2016 | $1,308,000 | +232.8% | 28,897 | +240.0% | 0.01% | +150.0% |
| Q1 2016 | $393,000 | -28.0% | 8,500 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $546,000 | – | 8,500 | – | 0.00% | – |
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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% |