BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 296 filers reported holding BLUEBIRD BIO INC in Q1 2019. The put-call ratio across all filers is 0.60 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $44,474,000 | -19.5% | 349,639 | -0.4% | 0.60% | -18.4% |
| Q1 2019 | $55,232,000 | +74.8% | 351,061 | +10.2% | 0.73% | +45.9% |
| Q4 2018 | $31,599,000 | -29.7% | 318,542 | +3.5% | 0.50% | -17.0% |
| Q3 2018 | $44,951,000 | -2.8% | 307,886 | +4.5% | 0.61% | -7.9% |
| Q2 2018 | $46,228,000 | -7.4% | 294,542 | +0.7% | 0.66% | -6.5% |
| Q1 2018 | $49,942,000 | – | 292,488 | – | 0.70% | – |
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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% |