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

Institutional Holders (2014Q1)
Portfolio Summary: 13 Institutional holders with a total value of $160,354,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 CITADEL ADVISORS LLC 843,000 59,735,000 37.25% Call
2 Timber Hill LLC 554,600 39,299,000 24.51% Call
3 SABBY MANAGEMENT, LLC 2,993 21,208,000 13.23% Call
4 Perella Weinberg Partners Capital Management LP 188,000 13,321,000 8.31% Call
5 Virtu KCG Holdings LLC 163,300 11,571,000 7.22% Call
6 Ghost Tree Capital, LLC 100,000 7,086,000 4.42% Call
7 COMMERZBANK AKTIENGESELLSCHAFT /FI 60,000 4,252,000 2.65% Call
8 SPHERA FUNDS MANAGEMENT LTD. 2,000 1,140,000 0.71% Call
9 Iguana Healthcare Management, LLC 15,000 1,063,000 0.66% Call
10 Marathon Trading Investment Management LLC 14,500 1,027,000 0.64% Call
11 Rothschild Capital Partners, LLC 50 375,000 0.23% Call
12 SG Americas Securities, LLC 243,100 242,000 0.15% Call
13 GROUP ONE TRADING LLC 500 35,000 0.02% 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.