SIMPLEX TRADING, LLC - ALCOA INC ownership

ALCOA INC's ticker is and the CUSIP is 013817901. A total of 7 filers reported holding ALCOA INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

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 2015
NameSharesValueWeighting ↓
Assured Investment Management LLC 6,850,000$88,160,0001.43%
Timber Hill LLC 942,800$12,134,0000.05%
Virtu KCG Holdings LLC 140,500$1,808,0000.02%
Marathon Trading Investment Management LLC 45,700$588,0000.02%
Citadel Advisors 864,500$11,126,0000.01%
Focused Wealth Management, Inc 100$6,0000.01%
SG Americas Securities, LLC 98,700$91,0000.00%
View complete list of ALCOA INC shareholders