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

Institutional Holders (2014Q4)
Portfolio Summary: 436 Institutional holders with a total value of $7,414,910,883.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 19,910,570 918,475,000 12.39%
2 STATE STREET CORP 13,082,106 603,478,000 8.14%
3 Epoch Investment Partners, Inc. 6,505,798 300,112,000 4.05%
4 FRANKLIN RESOURCES INC 6,421,120 296,207,000 3.99%
5 BlackRock Institutional Trust Company, N.A. 6,388,313 294,693,000 3.97%
6 BlackRock Fund Advisors 4,007,593 184,870,000 2.49%
7 FIRST MANHATTAN CO. LLC. 3,522,017 162,470,000 2.19%
8 WELLINGTON MANAGEMENT GROUP LLP 3,461,911 159,698,000 2.15%
9 NORTHERN TRUST CORP 3,288,573 151,702,000 2.05%
10 Bank of New York Mellon Corp 3,171,071 146,281,000 1.97%
11 SYSTEMATIC FINANCIAL MANAGEMENT LP 2,932,274 135,265,000 1.82%
12 Neuberger Berman Group LLC 2,920,143 134,705,000 1.82%
13 JENNISON ASSOCIATES LLC 2,492,868 114,996,000 1.55%
14 AMERIPRISE FINANCIAL INC 2,368,800 109,273,000 1.47%
15 BlackRock Group LTD 2,099,704 96,858,000 1.31%
16 MILLENNIUM MANAGEMENT LLC 1,953,568 90,118,000 1.22%
17 GEODE CAPITAL MANAGEMENT, LLC 1,852,127 85,331,000 1.15%
18 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,800,000 83,034,000 1.12%
19 Allianz Asset Management GmbH 1,791,691 82,650,000 1.11%
20 PICTET ASSET MANAGEMENT LTD 1,774,667 81,865,000 1.10%
21 AXA S.A. 1,754,096 80,916,000 1.09%
22 LAZARD ASSET MANAGEMENT LLC 1,744,252 80,462,000 1.09%
23 Legal & General Group Plc 1,708,588 78,833,000 1.06%
24 FIL Ltd 1,677,617 77,389,000 1.04%
25 Capital Research Global Investors 1,660,000 75,165,000 1.01%
26 JANUS HENDERSON INVESTORS US LLC 1,596,643 73,653,000 0.99%
27 PUTNAM INVESTMENTS LLC 1,584,873 73,110,000 0.99%
28 NORGES BANK 1,546,885 71,358,000 0.96%
29 Boston Partners 1,396,587 64,424,000 0.87%
30 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,352,008 62,368,129 0.84%
31 LSV ASSET MANAGEMENT 1,301,290 60,028,000 0.81%
32 FIRST TRUST ADVISORS LP 1,283,869 59,225,000 0.80%
33 MORGAN STANLEY 1,279,460 59,022,000 0.80%
34 GOLDMAN SACHS GROUP INC 1,224,315 56,477,000 0.76%
35 AMUNDI ASSET MANAGEMENT US, INC. 1,222,173 56,379,000 0.76%
36 GUGGENHEIM CAPITAL LLC 1,099,121 50,702,000 0.68%
37 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,089,258 50,247,000 0.68%
38 PGGM Investments 1,066,586 49,202,000 0.66%
39 AMERICAN CENTURY COMPANIES INC 1,055,475 48,689,000 0.66%
40 VOYA INVESTMENT MANAGEMENT LLC 1,052,804 48,566,000 0.65%
41 AQR CAPITAL MANAGEMENT LLC 996,242 45,957,000 0.62%
42 RENAISSANCE TECHNOLOGIES LLC 866,100 39,953,000 0.54%
43 TIAA CREF INVESTMENT MANAGEMENT LLC 825,282 38,070,000 0.51%
44 MANUFACTURERS LIFE INSURANCE COMPANY, THE 815,676 37,627,000 0.51%
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 778,300 35,965,000 0.49%
46 GABELLI FUNDS LLC 748,000 34,505,000 0.47%
47 Sumitomo Mitsui Trust Group, Inc. 710,929 33,520,000 0.45%
48 GATEWAY INVESTMENT ADVISERS LLC 726,412 33,509,000 0.45%
49 UNITED SERVICES AUTOMOBILE ASSOCIATION 703,615 32,458,000 0.44%
50 DEUTSCHE BANK AG\ 702,117 32,385,000 0.44%
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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.