Calamos Advisors LLC - GILEAD SCIENCES INC ownership

GILEAD SCIENCES INC's ticker is and the CUSIP is 375558903. A total of 15 filers reported holding GILEAD SCIENCES INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.9%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of GILEAD SCIENCES INC
ValueSharesWeighting
Q3 2017$605,000
+9.8%
235,000
+12268.4%
0.01%
+25.0%
Q1 2017$551,000
-31.5%
1,900
+15.2%
0.00%
-20.0%
Q1 2015$804,000
-88.3%
1,650
-38.7%
0.01%
-88.9%
Q4 2014$6,878,000
-78.7%
2,690
-84.1%
0.04%
-78.0%
Q2 2014$32,326,000
+7.3%
16,952
-2.8%
0.20%
+6.8%
Q4 2013$30,137,000
+89.9%
17,435
+56.8%
0.19%
+92.0%
Q3 2013$15,869,000
+80.0%
11,120
+60.1%
0.10%
+72.4%
Q2 2013$8,817,0006,9450.06%
Other shareholders
GILEAD SCIENCES INC shareholders Q2 2015
NameSharesValueWeighting ↓
MUFG Securities EMEA plc 300,000$35,124,0005.82%
SABBY MANAGEMENT, LLC 12,877$150,764,0005.50%
CMT Asset Management Ltd 195,600$22,901,0001.41%
SIMPLEX TRADING, LLC 4,729$3,732,0000.31%
GROUP ONE TRADING, L.P. 151,600$17,749,0000.25%
Virtu KCG Holdings LLC 108,600$12,715,0000.23%
Timber Hill LLC 270,300$31,647,0000.14%
Marathon Trading Investment Management LLC 25,000$2,927,0000.12%
Citadel Advisors 845,800$99,026,0000.09%
SG Americas Securities, LLC 654,600$10,139,0000.07%
View complete list of GILEAD SCIENCES INC shareholders