ALEXION PHARMACEUTICALS INC's ticker is and the CUSIP is 015351959. A total of 6 filers reported holding ALEXION PHARMACEUTICALS INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2018 | $2,140,000 | +86.4% | 192 | +100.0% | 0.13% | +21.9% |
| Q4 2017 | $1,148,000 | -82.8% | 96 | -82.5% | 0.10% | -76.0% |
| Q2 2017 | $6,692,000 | +0.4% | 550 | 0.0% | 0.44% | +21.7% |
| Q1 2017 | $6,668,000 | +40.1% | 550 | +60.8% | 0.36% | +51.3% |
| Q1 2016 | $4,761,000 | -74.4% | 342 | -64.9% | 0.24% | -76.7% |
| Q4 2015 | $18,598,000 | +22.0% | 975 | 0.0% | 1.02% | +62.9% |
| Q3 2015 | $15,248,000 | +4.9% | 975 | +21.3% | 0.63% | +18.5% |
| Q2 2015 | $14,534,000 | – | 804 | – | 0.53% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 168,200 | $20,115,000 | 0.14% |
| SABBY MANAGEMENT, LLC | 96 | $1,148,000 | 0.10% |
| Allianz Asset Management GmbH | 471,700 | $56,411,000 | 0.04% |
| SIMPLEX TRADING, LLC | 702 | $628,000 | 0.03% |
| JPMORGAN CHASE & CO | 242,900 | $29,048,000 | 0.01% |
| SG Americas Securities, LLC | 49,500 | $554,000 | 0.01% |