BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 104 filers reported holding BLUEBIRD BIO INC in Q2 2014. The put-call ratio across all filers is 0.58 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $22,000 | -47.6% | 362 | -60.1% | 0.00% | – |
| Q1 2020 | $42,000 | -26.3% | 908 | +36.7% | 0.00% | – |
| Q4 2019 | $57,000 | -45.2% | 664 | -41.2% | 0.00% | – |
| Q3 2019 | $104,000 | -27.8% | 1,129 | 0.0% | 0.00% | – |
| Q2 2019 | $144,000 | +9.1% | 1,129 | +34.6% | 0.00% | – |
| Q1 2019 | $132,000 | +88.6% | 839 | +18.2% | 0.00% | – |
| Q4 2018 | $70,000 | -32.7% | 710 | 0.0% | 0.00% | – |
| Q3 2018 | $104,000 | -6.3% | 710 | 0.0% | 0.00% | – |
| Q2 2018 | $111,000 | -26.5% | 710 | -19.6% | 0.00% | – |
| Q1 2018 | $151,000 | -3.8% | 883 | 0.0% | 0.00% | – |
| Q4 2017 | $157,000 | +13.8% | 883 | -12.2% | 0.00% | – |
| Q3 2017 | $138,000 | +30.2% | 1,006 | 0.0% | 0.00% | – |
| Q2 2017 | $106,000 | +17.8% | 1,006 | +1.7% | 0.00% | – |
| Q1 2017 | $90,000 | +47.5% | 989 | 0.0% | 0.00% | – |
| Q4 2016 | $61,000 | -7.6% | 989 | +1.7% | 0.00% | – |
| Q3 2016 | $66,000 | +57.1% | 972 | 0.0% | 0.00% | – |
| Q2 2016 | $42,000 | +27.3% | 972 | +25.6% | 0.00% | – |
| Q1 2016 | $33,000 | -26.7% | 774 | +11.4% | 0.00% | – |
| Q4 2015 | $45,000 | -10.0% | 695 | +18.8% | 0.00% | – |
| Q3 2015 | $50,000 | -58.0% | 585 | -17.4% | 0.00% | – |
| Q2 2015 | $119,000 | +466.7% | 708 | +309.2% | 0.00% | – |
| Q1 2015 | $21,000 | -30.0% | 173 | -46.4% | 0.00% | – |
| Q4 2014 | $30,000 | +150.0% | 323 | 0.0% | 0.00% | – |
| Q3 2014 | $12,000 | 0.0% | 323 | 0.0% | 0.00% | – |
| Q2 2014 | $12,000 | +71.4% | 323 | +3.2% | 0.00% | – |
| Q1 2014 | $7,000 | +40.0% | 313 | +36.1% | 0.00% | – |
| Q4 2013 | $5,000 | -16.7% | 230 | 0.0% | 0.00% | – |
| Q3 2013 | $6,000 | – | 230 | – | 0.00% | – |
Download | ||||||
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% |