ALEXION PHARMACEUTICALS INC's ticker is and the CUSIP is 015351959. A total of 6 filers reported holding ALEXION PHARMACEUTICALS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $497,000 | -18.8% | 4,100 | -18.0% | 0.00% | +33.3% |
| Q4 2016 | $612,000 | -13.9% | 5,000 | -13.8% | 0.00% | 0.0% |
| Q3 2016 | $711,000 | -90.0% | 5,800 | -90.5% | 0.00% | -90.9% |
| Q2 2016 | $7,111,000 | +71.4% | 60,900 | +104.4% | 0.03% | +65.0% |
| Q1 2016 | $4,149,000 | -26.8% | 29,800 | +0.3% | 0.02% | -28.6% |
| Q4 2015 | $5,665,000 | -69.4% | 29,700 | -74.9% | 0.03% | -63.6% |
| Q3 2015 | $18,501,000 | -9.0% | 118,300 | +5.2% | 0.08% | -15.4% |
| Q2 2015 | $20,337,000 | +35.2% | 112,500 | +29.6% | 0.09% | +33.8% |
| Q1 2015 | $15,042,000 | +151.7% | 86,800 | +168.7% | 0.07% | +183.3% |
| Q4 2014 | $5,976,000 | -2.1% | 32,300 | -12.2% | 0.02% | -4.0% |
| Q3 2014 | $6,102,000 | -34.6% | 36,800 | -38.4% | 0.02% | -40.5% |
| Q2 2014 | $9,328,000 | +8.9% | 59,700 | +6.0% | 0.04% | +16.7% |
| Q1 2014 | $8,565,000 | +705.7% | 56,300 | +603.8% | 0.04% | +800.0% |
| Q4 2013 | $1,063,000 | -11.1% | 8,000 | -22.3% | 0.00% | 0.0% |
| Q3 2013 | $1,196,000 | -87.4% | 10,300 | -90.0% | 0.00% | -88.6% |
| Q2 2013 | $9,464,000 | – | 102,600 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Hudson Bay Capital Management LP | 100,000 | $11,616,000 | 0.43% |
| Citadel Advisors | 54,000 | $6,273,000 | 0.01% |
| Virtu KCG Holdings LLC | 5,600 | $650,000 | 0.01% |
| Timber Hill LLC | 10,300 | $1,196,000 | 0.00% |