683 Capital Management, LLC - AMTRUST FINL SVCS INC ownership

AMTRUST FINL SVCS INC's ticker is and the CUSIP is 032359AC5. A total of 15 filers reported holding AMTRUST FINL SVCS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
683 Capital Management, LLC ownership history of AMTRUST FINL SVCS INC
ValueSharesWeighting
Q4 2014$10,421,000
+31.1%
5,000,0000.0%4.57%
+68.4%
Q3 2014$7,950,000
-3.6%
5,000,0000.0%2.71%
-13.0%
Q2 2014$8,250,000
+12.2%
5,000,0000.0%3.12%
+8.8%
Q1 2014$7,356,000
+13.0%
5,000,0000.0%2.86%
+54.0%
Q4 2013$6,509,000
-16.8%
5,000,0000.0%1.86%
-6.3%
Q3 2013$7,822,000
+11.9%
5,000,0000.0%1.99%
-14.9%
Q2 2013$6,988,0005,000,0002.34%
Other shareholders
AMTRUST FINL SVCS INC shareholders Q4 2013
NameSharesValueWeighting ↓
683 Capital Management, LLC 5,000,000$7,822,0001.99%
CAMDEN ASSET MANAGEMENT L P /CA 14,720,000$23,028,0001.39%
DINSMORE CAPITAL MANAGEMENT CO/NJ 2,000,000$3,139,0001.31%
SSI INVESTMENT MANAGEMENT LLC 7,050,000$11,030,0000.99%
Pine River Capital Management L.P. 26,900,000$42,333,0000.46%
Magnetar Financial LLC 15,085,000$23,763,0000.39%
BlueCrest Capital Management LLP 3,823,000$6,087,0000.31%
Calamos Wealth Management LLC 541,000$853,0000.28%
Calamos Advisors LLC 12,662,000$19,954,0000.12%
HBK INVESTMENTS L P 5,000,000$7,766,0000.11%
View complete list of AMTRUST FINL SVCS INC shareholders