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

Institutional Holders (2015Q3)
Portfolio Summary: 5 Institutional holders with a total value of $20,450,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SIMPLEX TRADING, LLC 494 307,000 1.50% Call
2 Allianz Asset Management GmbH 5,100 798,000 3.90% Call
3 SABBY MANAGEMENT, LLC 152 2,377,000 11.62% Call
4 CITADEL ADVISORS LLC 49,200 7,694,000 37.62% Call
5 Timber Hill LLC 59,300 9,274,000 45.35% Call

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.