BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 166 filers reported holding BLUEBIRD BIO INC in Q3 2023. The put-call ratio across all filers is 0.94 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $5,000 | -44.4% | 104 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $9,000 | -99.6% | 104 | -99.5% | 0.00% | -99.7% |
| Q3 2019 | $2,046,000 | -48.3% | 22,285 | -28.3% | 0.35% | -36.1% |
| Q2 2019 | $3,954,000 | -24.0% | 31,085 | -6.0% | 0.55% | -15.2% |
| Q1 2019 | $5,205,000 | +17.2% | 33,085 | -26.1% | 0.65% | +21.5% |
| Q4 2018 | $4,443,000 | -21.0% | 44,785 | +16.3% | 0.54% | -0.2% |
| Q3 2018 | $5,621,000 | +44.2% | 38,500 | +55.1% | 0.54% | +36.0% |
| Q2 2018 | $3,897,000 | +21.5% | 24,830 | +32.2% | 0.39% | +27.9% |
| Q1 2018 | $3,208,000 | – | 18,786 | – | 0.31% | – |
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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% |