BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 212 filers reported holding BLUEBIRD BIO INC in Q1 2015. The put-call ratio across all filers is 1.10 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2016 | $1,329,000 | +47.5% | 19,604 | -5.8% | 0.34% | +44.3% |
| Q2 2016 | $901,000 | +0.2% | 20,817 | -1.6% | 0.24% | -5.2% |
| Q1 2016 | $899,000 | -35.2% | 21,156 | -2.1% | 0.25% | -29.6% |
| Q4 2015 | $1,388,000 | -52.5% | 21,614 | -36.8% | 0.36% | -56.1% |
| Q3 2015 | $2,925,000 | -26.0% | 34,195 | +45.6% | 0.81% | -15.9% |
| Q2 2015 | $3,955,000 | +6.5% | 23,489 | -23.6% | 0.96% | +6.4% |
| Q1 2015 | $3,714,000 | +38.6% | 30,749 | +5.2% | 0.90% | +36.6% |
| Q4 2014 | $2,680,000 | – | 29,220 | – | 0.66% | – |
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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% |