BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 67 filers reported holding BLUEBIRD BIO INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $76,000 | -48.3% | 7,700 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $147,000 | -40.2% | 7,700 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $246,000 | +35.9% | 7,700 | +567.2% | 0.00% | 0.0% |
| Q2 2018 | $181,000 | -90.5% | 1,154 | -89.7% | 0.00% | -87.5% |
| Q1 2018 | $1,912,000 | +7.4% | 11,200 | +12.0% | 0.01% | 0.0% |
| Q4 2017 | $1,781,000 | +45.7% | 10,000 | +12.4% | 0.01% | +60.0% |
| Q3 2017 | $1,222,000 | +57.3% | 8,900 | +20.3% | 0.01% | +66.7% |
| Q2 2017 | $777,000 | +45.0% | 7,400 | +25.4% | 0.00% | +50.0% |
| Q1 2017 | $536,000 | +106.9% | 5,900 | +40.5% | 0.00% | +100.0% |
| Q4 2016 | $259,000 | -8.8% | 4,200 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $284,000 | -82.7% | 4,200 | -69.1% | 0.00% | -85.7% |
| Q1 2015 | $1,642,000 | +25.2% | 13,600 | -4.9% | 0.01% | +16.7% |
| Q4 2014 | $1,312,000 | -17.3% | 14,300 | -67.6% | 0.01% | +50.0% |
| Q3 2014 | $1,586,000 | +1788.1% | 44,200 | +1325.8% | 0.00% | – |
| Q3 2013 | $84,000 | – | 3,100 | – | 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% |