BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 314 filers reported holding BLUEBIRD BIO INC in Q2 2018. The put-call ratio across all filers is 0.60 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $292,000 | -7.0% | 2,000 | 0.0% | 0.08% | -10.9% |
| Q2 2018 | $314,000 | -8.2% | 2,000 | 0.0% | 0.09% | -7.1% |
| Q1 2018 | $342,000 | -3.9% | 2,000 | 0.0% | 0.10% | +1.0% |
| Q4 2017 | $356,000 | +29.5% | 2,000 | 0.0% | 0.10% | +14.0% |
| Q3 2017 | $275,000 | -34.5% | 2,000 | -50.0% | 0.09% | +28.4% |
| Q2 2017 | $420,000 | +63.4% | 4,000 | 0.0% | 0.07% | -25.6% |
| Q4 2015 | $257,000 | -23.7% | 4,000 | +100.0% | 0.09% | -10.9% |
| Q2 2015 | $337,000 | +39.3% | 2,000 | 0.0% | 0.10% | +42.3% |
| Q1 2015 | $242,000 | – | 2,000 | – | 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% |