BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 196 filers reported holding BLUEBIRD BIO INC in Q4 2015. The put-call ratio across all filers is 1.25 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $4,331,920 | -81.1% | 626,000 | +67.0% | 0.01% | -83.1% |
| Q2 2020 | $22,882,000 | -61.9% | 374,870 | -71.3% | 0.06% | -67.0% |
| Q1 2020 | $60,005,000 | +139.9% | 1,305,600 | +358.1% | 0.18% | +193.4% |
| Q4 2019 | $25,009,000 | +63.8% | 285,000 | +192.9% | 0.06% | +74.3% |
| Q2 2018 | $15,271,000 | +285.5% | 97,300 | +110.2% | 0.04% | +218.2% |
| Q3 2015 | $3,961,000 | -48.5% | 46,300 | +1.3% | 0.01% | -42.1% |
| Q2 2015 | $7,695,000 | – | 45,700 | – | 0.02% | – |
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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% |