BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 184 filers reported holding BLUEBIRD BIO INC in Q4 2022. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $3,346,152 | -61.0% | 1,052,249 | -15.2% | 0.02% | -64.6% |
| Q4 2022 | $8,586,149 | +162.0% | 1,240,773 | +139.6% | 0.05% | +166.7% |
| Q3 2022 | $3,277,000 | +40.5% | 517,748 | -8.1% | 0.02% | +50.0% |
| Q2 2022 | $2,333,000 | -44.2% | 563,481 | -34.6% | 0.01% | -50.0% |
| Q1 2022 | $4,179,000 | +131.8% | 861,734 | +377.4% | 0.02% | +140.0% |
| Q4 2021 | $1,803,000 | -85.2% | 180,488 | -71.7% | 0.01% | -87.2% |
| Q3 2021 | $12,188,000 | -18.8% | 637,764 | +35.9% | 0.08% | -25.0% |
| Q2 2021 | $15,005,000 | -5.1% | 469,204 | -10.6% | 0.10% | -10.3% |
| Q1 2021 | $15,816,000 | +1872.1% | 524,575 | +2729.9% | 0.12% | +1557.1% |
| Q4 2020 | $802,000 | +92.8% | 18,537 | +140.6% | 0.01% | +133.3% |
| Q3 2020 | $416,000 | -91.3% | 7,704 | -85.9% | 0.00% | -96.8% |
| Q4 2019 | $4,799,000 | -12.2% | 54,684 | -0.8% | 0.09% | -62.1% |
| Q4 2018 | $5,466,000 | +132.0% | 55,104 | +299.3% | 0.25% | +350.9% |
| Q1 2018 | $2,356,000 | -80.7% | 13,800 | -79.9% | 0.06% | -79.3% |
| Q4 2017 | $12,216,000 | -27.8% | 68,589 | -44.3% | 0.27% | -29.6% |
| Q3 2017 | $16,919,000 | +21.5% | 123,179 | -7.1% | 0.38% | +8.9% |
| Q2 2017 | $13,929,000 | +98.6% | 132,590 | +71.8% | 0.35% | +102.9% |
| Q1 2017 | $7,014,000 | +68.4% | 77,160 | +14.3% | 0.17% | +92.1% |
| Q4 2016 | $4,166,000 | -48.2% | 67,521 | -28.2% | 0.09% | -76.5% |
| Q3 2015 | $8,043,000 | -53.8% | 94,019 | -9.2% | 0.38% | -57.4% |
| Q2 2015 | $17,426,000 | +1324.9% | 103,497 | +921.8% | 0.89% | +1403.4% |
| Q1 2015 | $1,223,000 | – | 10,129 | – | 0.06% | – |
Download | ||||||
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% |