ALEXION PHARMACEUTICALS INC's ticker is and the CUSIP is 015351959. A total of 5 filers reported holding ALEXION PHARMACEUTICALS INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $7,110,000 | +22.4% | 38,700 | +1.8% | 0.01% | 0.0% |
| Q1 2021 | $5,811,000 | -75.2% | 38,000 | -74.6% | 0.01% | -77.5% |
| Q4 2020 | $23,405,000 | -3.9% | 149,800 | -29.6% | 0.04% | -47.4% |
| Q3 2020 | $24,351,000 | +1.3% | 212,800 | -0.6% | 0.08% | -31.5% |
| Q2 2020 | $24,031,000 | +101.8% | 214,100 | +61.5% | 0.11% | +14.4% |
| Q1 2020 | $11,906,000 | +41.9% | 132,600 | +70.9% | 0.10% | +70.2% |
| Q4 2019 | $8,392,000 | +37.3% | 77,600 | +24.4% | 0.06% | +16.3% |
| Q3 2019 | $6,111,000 | +14.6% | 62,400 | +53.3% | 0.05% | +2.1% |
| Q2 2019 | $5,331,000 | -8.3% | 40,700 | -31.8% | 0.05% | -4.0% |
| Q4 2018 | $5,812,000 | -26.5% | 59,700 | +4.9% | 0.05% | -20.6% |
| Q3 2018 | $7,910,000 | -72.8% | 56,900 | -75.7% | 0.06% | -74.7% |
| Q2 2018 | $29,064,000 | +101.4% | 234,100 | +80.8% | 0.25% | +71.7% |
| Q1 2018 | $14,434,000 | -28.2% | 129,500 | -23.0% | 0.14% | +2.8% |
| Q4 2017 | $20,115,000 | -57.0% | 168,200 | -49.6% | 0.14% | -66.8% |
| Q3 2017 | $46,787,000 | +15.0% | 333,500 | -0.3% | 0.42% | +0.5% |
| Q2 2017 | $40,686,000 | +484.7% | 334,400 | +482.6% | 0.42% | +422.2% |
| Q1 2017 | $6,959,000 | -29.3% | 57,400 | -28.7% | 0.08% | -15.6% |
| Q4 2016 | $9,849,000 | – | 80,500 | – | 0.10% | – |
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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% |