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 | ||||
|---|---|---|---|---|---|---|
| Q2 2018 | $1,438,000 | -11.5% | 9,161 | -3.7% | 0.04% | -23.2% |
| Q1 2018 | $1,624,000 | -5.9% | 9,509 | -1.8% | 0.06% | -5.1% |
| Q4 2017 | $1,725,000 | -6.7% | 9,686 | -28.1% | 0.06% | -6.3% |
| Q3 2017 | $1,849,000 | +81.5% | 13,468 | +38.9% | 0.06% | +65.8% |
| Q2 2017 | $1,019,000 | +15.7% | 9,699 | +0.0% | 0.04% | +18.8% |
| Q1 2017 | $881,000 | -6.3% | 9,695 | -36.4% | 0.03% | 0.0% |
| Q4 2016 | $940,000 | -66.8% | 15,240 | -63.5% | 0.03% | -36.0% |
| Q3 2016 | $2,830,000 | – | 41,755 | – | 0.05% | – |
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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% |