BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $1,671,000 | -31.1% | 11,446 | -26.0% | 0.08% | -32.8% |
| Q2 2018 | $2,426,000 | -19.4% | 15,459 | -12.3% | 0.12% | -41.6% |
| Q1 2018 | $3,009,000 | -26.4% | 17,621 | -23.3% | 0.21% | -18.4% |
| Q4 2017 | $4,091,000 | +7.3% | 22,972 | -17.3% | 0.26% | +18.5% |
| Q3 2017 | $3,813,000 | +24.4% | 27,766 | -4.8% | 0.22% | +30.1% |
| Q2 2017 | $3,065,000 | +22.6% | 29,178 | +6.0% | 0.17% | +29.7% |
| Q1 2017 | $2,501,000 | +47.3% | 27,514 | 0.0% | 0.13% | +26.7% |
| Q4 2016 | $1,698,000 | -9.0% | 27,514 | 0.0% | 0.10% | -32.7% |
| Q3 2016 | $1,865,000 | -85.5% | 27,514 | -94.3% | 0.15% | -72.3% |
| Q2 2016 | $12,875,000 | +225.4% | 486,223 | +422.2% | 0.54% | +300.7% |
| Q1 2016 | $3,957,000 | – | 93,115 | – | 0.14% | – |
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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% |