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

Institutional Holders (2016Q1)
Portfolio Summary: 5 Institutional holders with a total value of $31,544,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Allianz Asset Management GmbH 100,400 13,978,000 44.31% Put
2 CITADEL ADVISORS LLC 61,500 8,562,000 27.14% Put
3 SABBY MANAGEMENT, LLC 342 4,761,000 15.09% Put
4 Timber Hill LLC 29,800 4,149,000 13.15% Put
5 SIMPLEX TRADING, LLC 123 94,000 0.30% 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.