Calamos Advisors LLC - AMTRUST FINL SVCS INC ownership

AMTRUST FINL SVCS INC's ticker is and the CUSIP is 032359AC5. A total of 13 filers reported holding AMTRUST FINL SVCS INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.6%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of AMTRUST FINL SVCS INC
ValueSharesWeighting
Q3 2014$7,989,000
-2.4%
5,000,0000.0%0.05%
+1.9%
Q2 2014$8,187,000
-10.3%
5,000,000
-19.4%
0.05%
-10.3%
Q1 2014$9,126,000
+11.0%
6,200,0000.0%0.06%
+11.5%
Q4 2013$8,219,000
-58.8%
6,200,000
-51.0%
0.05%
-58.4%
Q3 2013$19,954,000
-33.9%
12,662,000
-41.0%
0.12%
-36.5%
Q2 2013$30,191,00021,476,0000.20%
Other shareholders
AMTRUST FINL SVCS INC shareholders Q4 2014
NameSharesValueWeighting ↓
683 Capital Management, LLC 5,000,000$6,509,0001.86%
CAMDEN ASSET MANAGEMENT L P /CA 18,587,000$24,198,0001.48%
DINSMORE CAPITAL MANAGEMENT CO/NJ 1,500,000$1,960,0000.80%
Pine River Capital Management L.P. 28,900,000$38,428,0000.47%
Magnetar Financial LLC 15,085,000$19,976,0000.41%
BlueCrest Capital Management LLP 2,000,000$4,996,0000.41%
SSI INVESTMENT MANAGEMENT LLC 2,000,000$2,631,0000.23%
CSS LLC/IL 2,357,000$3,096,0000.15%
HBK INVESTMENTS L P 5,000,000$6,648,0000.13%
Citadel Advisors 48,880,000$64,782,0000.08%
View complete list of AMTRUST FINL SVCS INC shareholders