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

Institutional Holders (2014Q1)
Portfolio Summary: 8 Institutional holders with a total value of $78,798,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Timber Hill LLC 425,600 24,161,000 30.66% Call
2 CITADEL ADVISORS LLC 313,800 17,814,000 22.61% Call
3 Ghost Tree Capital, LLC 250,000 14,193,000 18.01% Call
4 SABBY MANAGEMENT, LLC 2,016 11,445,000 14.52% Call
5 Virtu KCG Holdings LLC 108,800 6,177,000 7.84% Call
6 Iguana Healthcare Management, LLC 58,200 3,304,000 4.19% Call
7 COMMERZBANK AKTIENGESELLSCHAFT /FI 21,600 1,226,000 1.56% Call
8 SG Americas Securities, LLC 120,000 478,000 0.61% 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.