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AMEREN CORP
AMEREN CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 419 Institutional holders with a total value of $6,314,920,250.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 RUSSELL FRANK CO/ 224,233 9,241,000 0.15%
102 HSBC HOLDINGS PLC 210,409 8,660,000 0.14%
103 LORD, ABBETT & CO. LLC 202,500 8,343,000 0.13%
104 FERGUSON WELLMAN CAPITAL MANAGEMENT, INC 190,895 7,865,000 0.12%
105 UBS AG 190,168 7,834,000 0.12%
106 Andra AP-fonden 190,000 7,828,000 0.12%
107 STATE OF WISCONSIN INVESTMENT BOARD 186,530 7,685,000 0.12%
108 SG Americas Securities, LLC 185,543 7,644,000 0.12%
109 HENNESSY ADVISORS INC 173,390 7,144,000 0.11%
110 Chevy Chase Trust Holdings, LLC 172,390 7,102,000 0.11%
111 Korea Investment CORP 171,800 7,078,000 0.11%
112 SUSQUEHANNA INTERNATIONAL GROUP, LLP 169,963 7,002,000 0.11%
113 MARTINGALE ASSET MANAGEMENT L P 168,649 6,949,000 0.11%
114 State of New Jersey Common Pension Fund A 167,000 6,880,000 0.11%
115 AMP Capital Investors Ltd 160,297 6,541,000 0.10%
116 CANADA LIFE ASSURANCE Co 157,603 6,461,000 0.10%
117 BOKF, NA 153,195 6,312,000 0.10%
118 METROPOLITAN LIFE INSURANCE CO/NY 148,073 6,101,000 0.10%
119 BNP PARIBAS FINANCIAL MARKETS 146,174 6,038,450 0.10%
120 Retirement Systems of Alabama 146,498 6,036,000 0.10%
121 BNP Paribas Asset Management Holding S.A. 142,869 5,886,000 0.09%
122 CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 142,328 5,864,000 0.09%
123 CAISSE DE DEPOT ET PLACEMENT DU QUEBEC 139,200 5,735,000 0.09%
124 US BANCORP \DE\ 136,224 5,612,000 0.09%
125 CHURCHILL MANAGEMENT Corp 134,352 5,535,000 0.09%
126 AVIVA PLC 133,610 5,505,000 0.09%
127 COMMONWEALTH BANK OF AUSTRALIA 132,259 5,449,000 0.09%
128 STEVENS CAPITAL MANAGEMENT LP 129,515 5,336,000 0.08%
129 AMERICAN INTERNATIONAL GROUP, INC. 127,096 5,236,344 0.08%
130 LUMINUS MANAGEMENT LLC 124,000 5,109,000 0.08%
131 COMMERCE BANK 122,182 5,034,000 0.08%
132 TCW GROUP INC 120,550 4,967,000 0.08%
133 Asset Management One Co., Ltd. 117,671 4,802,000 0.08%
134 Brandywine Global Investment Management, LLC 116,536 4,802,000 0.08%
135 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 114,437 4,715,000 0.07%
136 COMERICA BANK 113,538 4,678,000 0.07%
137 CITADEL ADVISORS LLC 110,655 4,559,000 0.07%
138 TEXAS PERMANENT SCHOOL FUND CORP 106,475 4,387,000 0.07%
139 Man Investments Ltd 102,602 4,227,000 0.07%
140 TWO SIGMA INVESTMENTS, LP 102,093 4,206,000 0.07%
141 State of Tennessee, Department of Treasury 100,600 4,145,000 0.07%
142 STATE OF MICHIGAN RETIREMENT SYSTEM 99,082 4,082,000 0.06%
143 MASON STREET ADVISORS, LLC 97,343 4,011,000 0.06%
144 Lloyds Banking Group plc 92,741 3,820,000 0.06%
145 PUBLIC SECTOR PENSION INVESTMENT BOARD 88,795 3,658,000 0.06%
146 SCHAFER CULLEN CAPITAL MANAGEMENT INC 88,650 3,652,000 0.06%
147 Advisors Asset Management, Inc. 86,592 3,568,000 0.06%
148 FIRST TRUST ADVISORS LP 86,416 3,560,000 0.06%
149 WADDELL & REED FINANCIAL INC 83,380 3,435,000 0.05%
150 SUSQUEHANNA INTERNATIONAL GROUP, LLP 80,000 3,296,000 0.05% Call
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.