SIMPLEX TRADING, LLC - ALCOA INC ownership

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ALCOA INC
ValueSharesWeighting
Q3 2016$33,000
-36.5%
511
-52.2%
0.00%
-33.3%
Q2 2016$52,000
-53.2%
1,069
-19.6%
0.00%
-66.7%
Q1 2016$111,000
+1287.5%
1,330
+804.8%
0.01%
+800.0%
Q4 2015$8,000
-66.7%
147
-59.7%
0.00%
-50.0%
Q3 2015$24,000
+1100.0%
365
+835.9%
0.00%
Q2 2015$2,0000.0%39
-29.1%
0.00%
Q1 2015$2,000550.00%
Other shareholders
ALCOA INC shareholders Q4 2016
NameSharesValueWeighting ↓
Timber Hill LLC 758,000$5,928,0000.02%
Marathon Trading Investment Management LLC 34,600$266,0000.02%
KNIGHT CAPITAL GROUP LLC 38,300$300,0000.01%
Citadel Advisors 349,800$2,735,0000.01%
COMMERZBANK AKTIENGESELLSCHAFT /FI 24,200$189,0000.00%
SG Americas Securities, LLC 34,400$14,0000.00%
View complete list of ALCOA INC shareholders