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

Institutional Holders (2016Q2)
Portfolio Summary: 7 Institutional holders with a total value of $50,326,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Allianz Asset Management GmbH 236,200 27,579,000 54.80% Put
2 CITADEL ADVISORS LLC 77,400 9,037,000 17.96% Put
3 Timber Hill LLC 60,900 7,111,000 14.13% Put
4 Hudson Bay Capital Management LP 24,500 2,861,000 5.68% Put
5 SOCIETE GENERALE 49,500 1,495,000 2.97% Put
6 SG Americas Securities, LLC 49,500 1,495,000 2.97% Put
7 SIMPLEX TRADING, LLC 645 748,000 1.49% 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.