BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 249 filers reported holding BLUEBIRD BIO INC in Q3 2017. The put-call ratio across all filers is 0.94 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $74,231 | -44.2% | 23,343 | +11.5% | 0.02% | -53.8% |
| Q3 2022 | $133,000 | -57.8% | 20,940 | +112.7% | 0.05% | -81.9% |
| Q2 2021 | $315,000 | -31.8% | 9,846 | +87.0% | 0.29% | -22.8% |
| Q4 2019 | $462,000 | +97.4% | 5,265 | +106.9% | 0.37% | +74.6% |
| Q3 2019 | $234,000 | -74.2% | 2,545 | -56.0% | 0.21% | -26.0% |
| Q2 2018 | $908,000 | +50.3% | 5,783 | +31.4% | 0.29% | +68.4% |
| Q3 2017 | $604,000 | -33.1% | 4,400 | -48.8% | 0.17% | -45.2% |
| Q2 2017 | $903,000 | +150.1% | 8,600 | +1.2% | 0.31% | +29.5% |
| Q1 2016 | $361,000 | – | 8,500 | – | 0.24% | – |
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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% |