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 | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $39,456,000 | -20.6% | 221,541 | -38.8% | 0.40% | -29.4% |
| Q3 2017 | $49,697,000 | +9.9% | 361,825 | -15.9% | 0.56% | +0.9% |
| Q2 2017 | $45,220,000 | +21.5% | 430,462 | +5.2% | 0.56% | +10.2% |
| Q1 2017 | $37,205,000 | +33.0% | 409,295 | -9.7% | 0.51% | +14.9% |
| Q4 2016 | $27,972,000 | +4.0% | 453,354 | +14.2% | 0.44% | -9.6% |
| Q3 2016 | $26,902,000 | +10.9% | 396,897 | -29.1% | 0.49% | -0.4% |
| Q2 2016 | $24,249,000 | +14.1% | 560,164 | +12.0% | 0.49% | +4.0% |
| Q1 2016 | $21,261,000 | +33.3% | 500,253 | +101.4% | 0.47% | +8.3% |
| Q4 2015 | $15,948,000 | +5636.7% | 248,328 | +14950.2% | 0.44% | +6128.6% |
| Q2 2015 | $278,000 | -41.4% | 1,650 | -86.6% | 0.01% | -50.0% |
| Q2 2014 | $474,000 | – | 12,300 | – | 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% |