BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 84 filers reported holding BLUEBIRD BIO INC in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $30,150,000 | -12.9% | 1,000,000 | +25.0% | 1.04% | -14.8% |
| Q4 2020 | $34,616,000 | -70.8% | 800,000 | -63.6% | 1.22% | -61.2% |
| Q3 2020 | $118,690,000 | +52.5% | 2,200,000 | +72.5% | 3.13% | -29.7% |
| Q2 2020 | $77,826,000 | +207.2% | 1,275,000 | +94.1% | 4.45% | +168.3% |
| Q2 2014 | $25,337,000 | +57.6% | 656,900 | -7.1% | 1.66% | +31.7% |
| Q1 2014 | $16,075,000 | +270.3% | 706,900 | +241.7% | 1.26% | +229.0% |
| Q4 2013 | $4,341,000 | +7.3% | 206,900 | +37.9% | 0.38% | -9.7% |
| Q3 2013 | $4,044,000 | +8.0% | 150,000 | 0.0% | 0.42% | +10.1% |
| Q2 2013 | $3,745,000 | – | 150,000 | – | 0.38% | – |
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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% |