BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 179 filers reported holding BLUEBIRD BIO INC in Q2 2016. The put-call ratio across all filers is 1.01 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $1,000 | -99.4% | 12 | -99.5% | 0.00% | -100.0% |
| Q4 2016 | $159,000 | -3.6% | 2,584 | +6.0% | 0.06% | -1.7% |
| Q3 2016 | $165,000 | +38.7% | 2,437 | -11.1% | 0.06% | +7.1% |
| Q2 2016 | $119,000 | +14.4% | 2,740 | +11.6% | 0.06% | +24.4% |
| Q1 2016 | $104,000 | -22.4% | 2,455 | +17.5% | 0.04% | -35.7% |
| Q4 2015 | $134,000 | -21.6% | 2,090 | +4.9% | 0.07% | -28.6% |
| Q3 2015 | $171,000 | -72.3% | 1,993 | -45.6% | 0.10% | -67.3% |
| Q2 2015 | $617,000 | +46.9% | 3,662 | +5.4% | 0.30% | +26.1% |
| Q1 2015 | $420,000 | +38.6% | 3,476 | +5.2% | 0.24% | +5.3% |
| Q4 2014 | $303,000 | – | 3,305 | – | 0.23% | – |
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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% |