BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 283 filers reported holding BLUEBIRD BIO INC in Q2 2019. The put-call ratio across all filers is 1.28 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $216,000 | -19.1% | 1,695 | 0.0% | 0.05% | -23.9% |
| Q1 2019 | $267,000 | +8.1% | 1,695 | 0.0% | 0.07% | +13.6% |
| Q3 2018 | $247,000 | -4.3% | 1,695 | +3.0% | 0.06% | -9.2% |
| Q2 2018 | $258,000 | -6.2% | 1,645 | +2.2% | 0.06% | -9.7% |
| Q1 2018 | $275,000 | +13.6% | 1,610 | +18.4% | 0.07% | +18.0% |
| Q4 2017 | $242,000 | +19.2% | 1,360 | -8.1% | 0.06% | +8.9% |
| Q3 2017 | $203,000 | – | 1,480 | – | 0.06% | – |
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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% |