BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 211 filers reported holding BLUEBIRD BIO INC in Q4 2016. The put-call ratio across all filers is 0.81 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $6,778,000 | -10.5% | 100,000 | -42.9% | 0.12% | -18.1% |
| Q2 2016 | $7,576,000 | -36.5% | 175,000 | +34.6% | 0.15% | -44.4% |
| Q4 2014 | $11,924,000 | +202.1% | 130,000 | +18.2% | 0.27% | +197.8% |
| Q3 2014 | $3,947,000 | +27.9% | 110,000 | +37.5% | 0.09% | +40.6% |
| Q2 2014 | $3,086,000 | – | 80,000 | – | 0.06% | – |
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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% |