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 | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $2,709,000 | -12.6% | 29,507 | +21.0% | 0.03% | -13.2% |
| Q2 2019 | $3,101,000 | -11.2% | 24,380 | +9.9% | 0.04% | -11.6% |
| Q1 2019 | $3,491,000 | +52.0% | 22,192 | -4.2% | 0.04% | +34.4% |
| Q4 2018 | $2,297,000 | -17.2% | 23,159 | +21.8% | 0.03% | -3.0% |
| Q3 2018 | $2,775,000 | +3.3% | 19,009 | +11.0% | 0.03% | +3.1% |
| Q2 2018 | $2,687,000 | +61.7% | 17,119 | +75.9% | 0.03% | +60.0% |
| Q1 2018 | $1,662,000 | -34.8% | 9,731 | -32.0% | 0.02% | -33.3% |
| Q4 2017 | $2,548,000 | -36.2% | 14,304 | -50.8% | 0.03% | -37.5% |
| Q3 2017 | $3,994,000 | +16.7% | 29,081 | -10.8% | 0.05% | +11.6% |
| Q2 2017 | $3,423,000 | +25.1% | 32,587 | +8.2% | 0.04% | +26.5% |
| Q1 2017 | $2,737,000 | +46.4% | 30,110 | -0.6% | 0.03% | +41.7% |
| Q4 2016 | $1,869,000 | -8.2% | 30,286 | +150.3% | 0.02% | 0.0% |
| Q2 2015 | $2,037,000 | -60.9% | 12,100 | -71.9% | 0.02% | -60.0% |
| Q1 2015 | $5,205,000 | +16.8% | 43,100 | -11.3% | 0.06% | +17.6% |
| Q4 2014 | $4,458,000 | +155.6% | 48,600 | 0.0% | 0.05% | +142.9% |
| Q3 2014 | $1,744,000 | -17.5% | 48,600 | -11.3% | 0.02% | -16.0% |
| Q2 2014 | $2,114,000 | +69.7% | 54,800 | 0.0% | 0.02% | +66.7% |
| Q1 2014 | $1,246,000 | +8.3% | 54,800 | 0.0% | 0.02% | +15.4% |
| Q4 2013 | $1,150,000 | -22.1% | 54,800 | 0.0% | 0.01% | 0.0% |
| Q3 2013 | $1,477,000 | – | 54,800 | – | 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% |