BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 282 filers reported holding BLUEBIRD BIO INC in Q3 2020. The put-call ratio across all filers is 0.95 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $657,753 | -32.2% | 216,366 | -26.6% | 0.04% | -30.8% |
| Q2 2023 | $969,500 | +2.6% | 294,681 | -0.8% | 0.05% | -10.3% |
| Q1 2023 | $944,517 | +118.6% | 297,018 | +2100.9% | 0.06% | +286.7% |
| Q2 2021 | $432,000 | +21.0% | 13,495 | +14.1% | 0.02% | +7.1% |
| Q1 2021 | $357,000 | -39.0% | 11,829 | -12.5% | 0.01% | -46.2% |
| Q4 2020 | $585,000 | -11.9% | 13,522 | +9.8% | 0.03% | -23.5% |
| Q3 2020 | $664,000 | -24.2% | 12,311 | -14.2% | 0.03% | -30.6% |
| Q2 2020 | $876,000 | +83.3% | 14,349 | +38.0% | 0.05% | +36.1% |
| Q1 2020 | $478,000 | -61.6% | 10,398 | -26.7% | 0.04% | -33.3% |
| Q4 2019 | $1,245,000 | +6.6% | 14,189 | +11.5% | 0.05% | -8.5% |
| Q3 2019 | $1,168,000 | -32.4% | 12,721 | -6.3% | 0.06% | -28.0% |
| Q2 2019 | $1,727,000 | -28.3% | 13,579 | -11.3% | 0.08% | -29.3% |
| Q1 2019 | $2,409,000 | +61.6% | 15,311 | +1.8% | 0.12% | +26.1% |
| Q4 2018 | $1,491,000 | -44.8% | 15,033 | -18.8% | 0.09% | -10.7% |
| Q3 2018 | $2,703,000 | +10.6% | 18,514 | +18.8% | 0.10% | +5.1% |
| Q2 2018 | $2,445,000 | -19.8% | 15,579 | -12.7% | 0.10% | -19.0% |
| Q1 2018 | $3,048,000 | -11.2% | 17,850 | -7.4% | 0.12% | -8.3% |
| Q4 2017 | $3,432,000 | +25.0% | 19,270 | -3.6% | 0.13% | +15.8% |
| Q3 2017 | $2,745,000 | +56.7% | 19,984 | +19.8% | 0.11% | +44.3% |
| Q2 2017 | $1,752,000 | +6.8% | 16,681 | -7.6% | 0.08% | +8.2% |
| Q1 2017 | $1,641,000 | +36.0% | 18,054 | -7.7% | 0.07% | +30.4% |
| Q4 2016 | $1,207,000 | -13.0% | 19,566 | -4.4% | 0.06% | -15.2% |
| Q3 2016 | $1,387,000 | +52.9% | 20,464 | -2.3% | 0.07% | +50.0% |
| Q2 2016 | $907,000 | +2.0% | 20,953 | +0.2% | 0.04% | -4.3% |
| Q1 2016 | $889,000 | -46.3% | 20,907 | -18.9% | 0.05% | -41.8% |
| Q4 2015 | $1,655,000 | -24.7% | 25,766 | +0.2% | 0.08% | -36.8% |
| Q3 2015 | $2,199,000 | – | 25,704 | – | 0.12% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 6,335,528 | $40,104,000 | 4.92% |
| qPULA Trading Management LP | 14,344 | $91,000 | 0.80% |
| Frazier Life Sciences Management, L.P. | 1,440,757 | $9,120,000 | 0.70% |
| Ikarian Capital, LLC | 462,628 | $2,928,000 | 0.58% |
| Birchview Capital, LP | 98,000 | $620,000 | 0.44% |
| HealthCor Management, L.P. | 455,000 | $2,880,000 | 0.36% |
| Financial Advocates Investment Management | 45,071 | $3,538,000 | 0.29% |
| PDT Partners, LLC | 262,767 | $1,663,000 | 0.25% |
| Monaco Asset Management SAM | 80,000 | $506,000 | 0.19% |
| Summit X, LLC | 103,424 | $651,000 | 0.19% |