GROUP ONE TRADING, L.P. - AMERICAN RAILCAR INDS INC ownership

AMERICAN RAILCAR INDS INC's ticker is ARII and the CUSIP is 02916P103. A total of 143 filers reported holding AMERICAN RAILCAR INDS INC in Q4 2014. The put-call ratio across all filers is 2.19 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of AMERICAN RAILCAR INDS INC
ValueSharesWeighting
Q4 2015$1,000
-99.4%
32
-98.6%
0.00%
-100.0%
Q3 2014$171,000
-15.3%
2,318
-22.2%
0.00%0.0%
Q2 2014$202,000
+137.6%
2,981
+18.1%
0.00%
+50.0%
Q2 2013$85,0002,5240.00%
Other shareholders
AMERICAN RAILCAR INDS INC shareholders Q4 2014
NameSharesValueWeighting ↓
ZPR Investment Management 334,730$23,441,00024.94%
Icahn Capital 11,871,268$831,345,0002.52%
JAMES INVESTMENT RESEARCH INC 705,782$49,426,0001.58%
Horrell Capital Management, Inc. 34,057$2,385,0001.21%
Waratah Capital Advisors Ltd. 28,600$2,003,0001.10%
Richard Bernstein Advisors LLC 78,125$5,471,0000.78%
Portolan Capital Management 34,521$2,418,0000.56%
Laurel Grove Capital, LLC 11,350$795,0000.48%
Spark Investment Management LLC 33,200$2,324,0000.36%
Convergence Investment Partners, LLC 30,700$2,150,0000.33%
View complete list of AMERICAN RAILCAR INDS INC shareholders