BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 240 filers reported holding BLUEBIRD BIO INC in Q2 2015. The put-call ratio across all filers is 1.07 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $163,102 | -12.7% | 53,652 | +98.8% | 0.00% | -33.3% |
| Q4 2022 | $186,785 | -19.9% | 26,992 | -63.3% | 0.00% | 0.0% |
| Q3 2022 | $233,233 | -52.5% | 73,474 | +378.2% | 0.00% | -25.0% |
| Q2 2021 | $491,000 | -8.4% | 15,366 | -13.6% | 0.00% | -33.3% |
| Q1 2021 | $536,000 | +148.1% | 17,787 | +344.3% | 0.01% | +50.0% |
| Q3 2020 | $216,000 | -41.8% | 4,003 | -34.1% | 0.00% | -66.7% |
| Q2 2020 | $371,000 | -6.3% | 6,074 | +34.5% | 0.01% | +71.4% |
| Q4 2019 | $396,000 | -66.4% | 4,516 | -39.8% | 0.01% | -84.8% |
| Q1 2019 | $1,180,000 | +1.5% | 7,498 | +10.1% | 0.05% | -46.5% |
| Q1 2018 | $1,163,000 | +199.0% | 6,811 | +195.0% | 0.09% | +26.5% |
| Q2 2015 | $389,000 | – | 2,309 | – | 0.07% | – |
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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% |