BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 84 filers reported holding BLUEBIRD BIO INC in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $243,000 | -86.2% | 1,363 | -91.9% | 0.01% | -86.2% |
| Q2 2017 | $1,763,000 | -60.3% | 16,785 | -65.6% | 0.06% | -57.2% |
| Q1 2017 | $4,437,000 | +187.7% | 48,810 | +95.4% | 0.15% | +176.4% |
| Q4 2016 | $1,542,000 | +262.8% | 24,984 | +403.3% | 0.06% | +266.7% |
| Q3 2015 | $425,000 | -94.7% | 4,964 | -89.6% | 0.02% | -94.6% |
| Q2 2015 | $8,033,000 | -21.3% | 47,709 | -43.5% | 0.28% | -21.5% |
| Q1 2015 | $10,206,000 | +63.6% | 84,510 | +24.2% | 0.35% | +41.0% |
| Q4 2014 | $6,240,000 | +125.5% | 68,033 | -11.8% | 0.25% | +139.0% |
| Q3 2014 | $2,767,000 | -13.9% | 77,132 | -7.4% | 0.10% | +1.0% |
| Q2 2014 | $3,213,000 | -1.5% | 83,304 | -41.9% | 0.10% | +1.0% |
| Q1 2014 | $3,261,000 | +915.9% | 143,414 | +1104.8% | 0.10% | +758.3% |
| Q3 2013 | $321,000 | – | 11,904 | – | 0.01% | – |
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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% |