Dark
Light
System
Security
GILEAD SCIENCES INC
GILEAD SCIENCES INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 15 Institutional holders with a total value of $407,881,006.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 12,877 150,764,000 36.96% Call
2 CITADEL ADVISORS LLC 845,800 99,026,000 24.28% Call
3 MUFG Securities EMEA plc 300,000 35,124,000 8.61% Call
4 Timber Hill LLC 270,300 31,647,000 7.76% Call
5 CMT Asset Management Ltd 195,600 22,901,000 5.61% Call
6 GROUP ONE TRADING LLC 151,600 17,749,000 4.35% Call
7 Virtu KCG Holdings LLC 108,600 12,715,000 3.12% Call
8 SG Americas Securities, LLC 654,600 10,139,000 2.49% Call
9 Allianz Asset Management GmbH 69,700 8,160,000 2.00% Call
10 Daiwa Securities Group Inc. 60,923 7,132,000 1.75%
11 COMMERZBANK AKTIENGESELLSCHAFT /FI 50,000 5,854,000 1.44% Call
12 SIMPLEX TRADING, LLC 4,729 3,732,000 0.91% Call
13 Marathon Trading Investment Management LLC 25,000 2,927,000 0.72% Call
14 AMERICAN INTERNATIONAL GROUP, INC. 11 11,006 0.00% Call
15 Focused Wealth Management, Inc 100 0 0.00%

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.