BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 194 filers reported holding BLUEBIRD BIO INC in Q3 2015. The put-call ratio across all filers is 1.12 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $870,000 | -88.2% | 5,100 | -87.7% | 0.04% | -89.3% |
| Q4 2017 | $7,355,000 | +1359.3% | 41,300 | +760.4% | 0.33% | +1107.4% |
| Q2 2017 | $504,000 | -88.0% | 4,800 | -92.7% | 0.03% | -86.4% |
| Q4 2015 | $4,195,000 | -60.5% | 65,331 | +3.5% | 0.20% | -43.9% |
| Q2 2015 | $10,627,000 | +53.1% | 63,118 | +9.8% | 0.36% | +48.5% |
| Q1 2015 | $6,941,000 | +209.7% | 57,474 | +135.2% | 0.24% | +184.5% |
| Q4 2014 | $2,241,000 | +219.2% | 24,439 | +34.1% | 0.08% | +127.0% |
| Q2 2014 | $702,000 | – | 18,219 | – | 0.04% | – |
Download | ||||||
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% |