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 | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $203,000 | -42.5% | 4,774 | -12.3% | 0.00% | -100.0% |
| Q4 2015 | $353,000 | -40.4% | 5,443 | -21.4% | 0.00% | 0.0% |
| Q3 2015 | $592,000 | -78.4% | 6,924 | -57.4% | 0.00% | -75.0% |
| Q2 2015 | $2,739,000 | -8.3% | 16,266 | -34.2% | 0.00% | -20.0% |
| Q1 2015 | $2,986,000 | -24.2% | 24,716 | -41.8% | 0.01% | -28.6% |
| Q4 2014 | $3,938,000 | +353.7% | 42,440 | +75.5% | 0.01% | +250.0% |
| Q3 2014 | $868,000 | +23.3% | 24,187 | +32.5% | 0.00% | +100.0% |
| Q2 2014 | $704,000 | – | 18,248 | – | 0.00% | – |
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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% |