BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 104 filers reported holding BLUEBIRD BIO INC in Q2 2014. The put-call ratio across all filers is 0.58 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $203,000 | -42.5% | 4,774 | -12.3% | 0.00% | -100.0% |
| Q4 2015 | $353,000 | -40.4% | 5,443 | -21.4% | 0.00% | 0.0% |
| Q3 2015 | $592,000 | -78.4% | 6,924 | -57.4% | 0.00% | -75.0% |
| Q2 2015 | $2,739,000 | -8.3% | 16,266 | -34.2% | 0.00% | -20.0% |
| Q1 2015 | $2,986,000 | -24.2% | 24,716 | -41.8% | 0.01% | -28.6% |
| Q4 2014 | $3,938,000 | +353.7% | 42,440 | +75.5% | 0.01% | +250.0% |
| Q3 2014 | $868,000 | +23.3% | 24,187 | +32.5% | 0.00% | +100.0% |
| Q2 2014 | $704,000 | – | 18,248 | – | 0.00% | – |
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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% |