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

Institutional Holders (2017Q1)
Portfolio Summary: 7 Institutional holders with a total value of $112,711,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 JPMORGAN CHASE & CO 465,000 56,377,000 50.02% Put
2 Allianz Asset Management GmbH 338,600 41,052,000 36.42% Put
3 GROUP ONE TRADING LLC 57,400 6,959,000 6.17% Put
4 SABBY MANAGEMENT, LLC 550 6,668,000 5.92% Put
5 SG Americas Securities, LLC 49,500 1,022,000 0.91% Put
6 Timber Hill LLC 4,100 497,000 0.44% Put
7 SIMPLEX TRADING, LLC 271 136,000 0.12% 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.