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

Institutional Holders (2015Q2)
Portfolio Summary: 4 Institutional holders with a total value of $32,632,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 82,300 14,877,000 45.59% Call
2 Timber Hill LLC 82,000 14,823,000 45.42% Call
3 Allianz Asset Management GmbH 12,700 2,296,000 7.04% Call
4 SIMPLEX TRADING, LLC 322 636,000 1.95% 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.