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ALEXION PHARMACEUTICALS INC
ALEXION PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 5 Institutional holders with a total value of $59,026,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 112,500 20,337,000 34.45% Put
2 SABBY MANAGEMENT, LLC 804 14,534,000 24.62% Put
3 CITADEL ADVISORS LLC 68,100 12,310,000 20.86% Put
4 Allianz Asset Management GmbH 64,300 11,624,000 19.69% Put
5 SIMPLEX TRADING, LLC 886 221,000 0.37% Put

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.