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 | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $2,565,000 | +22.1% | 14,400 | -28.0% | 0.08% | -19.8% |
| Q2 2017 | $2,101,000 | +397.9% | 20,000 | +330.7% | 0.11% | +341.7% |
| Q1 2017 | $422,000 | -97.4% | 4,644 | -96.6% | 0.02% | -98.1% |
| Q1 2015 | $16,304,000 | -21.0% | 135,000 | -40.0% | 1.27% | -26.8% |
| Q4 2014 | $20,637,000 | +4435.6% | 225,000 | +1025.0% | 1.73% | +3506.2% |
| Q1 2014 | $455,000 | +8.3% | 20,000 | 0.0% | 0.05% | -4.0% |
| Q4 2013 | $420,000 | – | 20,000 | – | 0.05% | – |
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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% |