BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 212 filers reported holding BLUEBIRD BIO INC in Q1 2015. The put-call ratio across all filers is 1.10 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $253,000 | -45.0% | 5,850 | -46.0% | 0.01% | -61.9% |
| Q1 2016 | $460,000 | -64.4% | 10,825 | -46.2% | 0.02% | -64.4% |
| Q4 2015 | $1,291,000 | -71.8% | 20,110 | -62.5% | 0.06% | -71.4% |
| Q3 2015 | $4,585,000 | -56.9% | 53,590 | -15.1% | 0.21% | -49.5% |
| Q2 2015 | $10,633,000 | +35.5% | 63,152 | -2.8% | 0.41% | +29.5% |
| Q1 2015 | $7,848,000 | +469.1% | 64,982 | +332.2% | 0.32% | +452.6% |
| Q4 2014 | $1,379,000 | – | 15,035 | – | 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% |