SpiderRock Trading LLC - AMEREN CORP ownership

AMEREN CORP's ticker is and the CUSIP is 02360810. A total of 1 filers reported holding AMEREN CORP in Q1 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of AMEREN CORP
ValueSharesWeighting
Q4 2014$14,000
+1300.0%
1,800
+20.0%
0.04%
+1200.0%
Q3 2014$1,000
-66.7%
1,5000.0%0.00%
-76.9%
Q2 2014$3,000
-25.0%
1,500
-34.8%
0.01%
-38.1%
Q1 2014$4,0000.0%2,300
+2200.0%
0.02%
-4.5%
Q4 2013$4,0001000.02%
Other shareholders
AMEREN CORP shareholders Q1 2015
NameSharesValueWeighting ↓
NORTHERN TRUST CO OF CONNECTICUT 518,391$18,745,0000.12%
Mizuho Trust & Banking Co., Ltd. 340,985$12,282,0000.05%
State of New Jersey Common Pension Fund A 192,000$6,943,0000.03%
SpiderRock Trading LLC 100$4,0000.02%
View complete list of AMEREN CORP shareholders