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 2017 | $509,000 | -68.1% | 5,600 | -78.4% | 0.02% | -55.3% |
| Q4 2016 | $1,597,000 | -49.2% | 25,893 | -44.1% | 0.04% | -39.7% |
| Q3 2016 | $3,142,000 | +401.9% | 46,345 | +220.6% | 0.06% | +472.7% |
| Q2 2016 | $626,000 | -2.9% | 14,457 | -4.6% | 0.01% | -8.3% |
| Q1 2016 | $645,000 | -53.0% | 15,161 | -29.1% | 0.01% | -14.3% |
| Q4 2015 | $1,372,000 | -35.8% | 21,375 | -14.5% | 0.01% | -30.0% |
| Q3 2015 | $2,138,000 | -19.6% | 24,998 | +58.2% | 0.02% | -16.7% |
| Q2 2015 | $2,660,000 | +425.7% | 15,800 | +277.0% | 0.02% | +500.0% |
| Q1 2015 | $506,000 | -50.9% | 4,191 | -62.7% | 0.00% | -42.9% |
| Q4 2014 | $1,031,000 | +40.1% | 11,234 | -45.2% | 0.01% | +75.0% |
| Q3 2014 | $736,000 | – | 20,489 | – | 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% |