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MERCK & CO
MERCK & CO. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 9 Institutional holders with a total value of $187,834,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 17,188 98,797,000 52.60% Call
2 Timber Hill LLC 530,500 30,493,000 16.23% Call
3 CITADEL ADVISORS LLC 358,900 20,630,000 10.98% Call
4 MUFG Securities EMEA plc 256,000 14,715,000 7.83% Call
5 MITSUBISHI UFJ SECURITIES (USA), Inc. 256,000 14,715,000 7.83% Call
6 Allianz Asset Management GmbH 78,000 4,483,000 2.39% Call
7 Virtu KCG Holdings LLC 59,900 3,443,000 1.83% Call
8 SG Americas Securities, LLC 310,000 354,000 0.19% Call
9 SIMPLEX TRADING, LLC 859 204,000 0.11% 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.