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

Institutional Holders (2014Q3)
Portfolio Summary: 3 Institutional holders with a total value of $29,233,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 71,900 11,922,000 40.78% Put
2 PEAK6 Group LLC 67,600 11,209,000 38.34% Put
3 Timber Hill LLC 36,800 6,102,000 20.87% 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.