ALEXION PHARMACEUTICALS INC's ticker is and the CUSIP is 01535110. A total of 3 filers reported holding ALEXION PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2013 | $37,075,000 | – | 279,003 | – | 0.23% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NORTHERN TRUST CO OF CONNECTICUT | 279,003 | $37,075,000 | 0.23% |
| Mizuho Trust & Banking Co., Ltd. | 269,980 | $36,654,000 | 0.14% |
| INGALLS & SNYDER LLC | 4,000 | $531,000 | 0.03% |