BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 164 filers reported holding BLUEBIRD BIO INC in Q3 2022. The put-call ratio across all filers is 0.70 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $311 | +238.0% | 97,743 | +636.7% | 0.03% | +181.8% |
| Q4 2022 | $92 | -100.0% | 13,268 | -91.2% | 0.01% | -91.3% |
| Q3 2022 | $959,000 | +899.0% | 151,570 | +666.9% | 0.13% | +876.9% |
| Q1 2022 | $96,000 | -75.4% | 19,764 | +62.1% | 0.01% | -70.5% |
| Q2 2021 | $390,000 | -85.6% | 12,190 | -86.5% | 0.04% | -90.2% |
| Q1 2021 | $2,714,000 | +816.9% | 90,000 | +1295.3% | 0.45% | +508.1% |
| Q1 2020 | $296,000 | -91.5% | 6,450 | -68.4% | 0.07% | -59.8% |
| Q1 2018 | $3,485,000 | +1395.7% | 20,409 | +493.6% | 0.18% | +1315.4% |
| Q3 2016 | $233,000 | -95.3% | 3,438 | -94.1% | 0.01% | -94.7% |
| Q3 2015 | $4,996,000 | -12.4% | 58,401 | +72.4% | 0.25% | +12.3% |
| Q2 2015 | $5,704,000 | +349.8% | 33,880 | +222.7% | 0.22% | +338.0% |
| Q1 2015 | $1,268,000 | -32.6% | 10,500 | -48.8% | 0.05% | -61.8% |
| Q4 2014 | $1,880,000 | +296.6% | 20,500 | +55.3% | 0.13% | +424.0% |
| Q3 2014 | $474,000 | – | 13,200 | – | 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% |