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

Institutional Holders (2015Q2)
Portfolio Summary: 417 Institutional holders with a total value of $5,518,053,808.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 20,392,513 768,390,000 13.93%
2 MILLENNIUM MANAGEMENT LLC 7,001,361 263,811,000 4.78%
3 Epoch Investment Partners, Inc. 6,568,048 247,484,000 4.48%
4 LAZARD ASSET MANAGEMENT LLC 6,399,242 241,123,000 4.37%
5 BlackRock Institutional Trust Company, N.A. 6,252,446 235,592,000 4.27%
6 FRANKLIN RESOURCES INC 5,914,590 222,861,000 4.04%
7 BlackRock Fund Advisors 3,902,940 147,063,000 2.67%
8 WELLINGTON MANAGEMENT GROUP LLP 3,024,647 113,969,000 2.07%
9 Bank of New York Mellon Corp 2,896,928 109,155,000 1.98%
10 Allianz Asset Management GmbH 2,795,102 105,335,000 1.91%
11 NORTHERN TRUST CORP 2,767,901 104,294,000 1.89%
12 AMERIPRISE FINANCIAL INC 2,222,124 83,733,000 1.52%
13 LUMINUS MANAGEMENT LLC 2,074,846 78,180,000 1.42%
14 BlackRock Group LTD 2,072,084 78,075,000 1.41%
15 GUGGENHEIM CAPITAL LLC 2,005,783 75,577,000 1.37%
16 FIRST MANHATTAN CO. LLC. 1,948,952 73,436,000 1.33%
17 GEODE CAPITAL MANAGEMENT, LLC 1,940,497 72,976,000 1.32%
18 SYSTEMATIC FINANCIAL MANAGEMENT LP 1,919,624 72,331,000 1.31%
19 Legal & General Group Plc 1,899,866 71,587,000 1.30%
20 Boston Partners 1,851,716 69,773,000 1.26%
21 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,800,000 67,824,000 1.23%
22 FIL Ltd 1,739,859 65,557,000 1.19%
23 MORGAN STANLEY 1,700,100 64,060,000 1.16%
24 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,588,712 59,862,668 1.08%
25 NORGES BANK 1,535,136 57,844,000 1.05%
26 LSV ASSET MANAGEMENT 1,421,290 53,554,000 0.97%
27 GOLDMAN SACHS GROUP INC 1,400,163 52,758,000 0.96%
28 JENNISON ASSOCIATES LLC 1,357,375 51,146,000 0.93%
29 PICTET ASSET MANAGEMENT LTD 1,134,759 46,616,000 0.84%
30 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,033,615 38,946,000 0.71%
31 PGGM Investments 1,019,853 38,428,000 0.70%
32 VOYA INVESTMENT MANAGEMENT LLC 916,674 34,540,000 0.63%
33 JANUS HENDERSON INVESTORS US LLC 859,039 32,369,000 0.59%
34 FIRST TRUST ADVISORS LP 858,659 32,354,000 0.59%
35 UNITED SERVICES AUTOMOBILE ASSOCIATION 838,450 31,593,000 0.57%
36 RAYMOND JAMES & ASSOCIATES 822,065 30,975,000 0.56%
37 PUTNAM INVESTMENTS LLC 812,749 30,624,000 0.55%
38 MANUFACTURERS LIFE INSURANCE COMPANY, THE 790,376 29,781,000 0.54%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 729,400 27,484,000 0.50%
40 GATEWAY INVESTMENT ADVISERS LLC 725,442 27,335,000 0.50%
41 TIAA CREF INVESTMENT MANAGEMENT LLC 717,140 27,022,000 0.49%
42 Sumitomo Mitsui Trust Group, Inc. 716,525 26,999,000 0.49%
43 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 693,628 26,136,000 0.47%
44 WELLS FARGO & COMPANY/MN 683,596 25,766,000 0.47%
45 Zimmer Partners, LP 648,600 24,439,000 0.44%
46 PARAMETRIC PORTFOLIO ASSOCIATES LLC 623,727 23,502,000 0.43%
47 GABELLI FUNDS LLC 613,000 23,098,000 0.42%
48 RENAISSANCE TECHNOLOGIES LLC 596,900 22,491,000 0.41%
49 LOS ANGELES CAPITAL MANAGEMENT LLC 589,809 22,224,000 0.40%
50 AMUNDI ASSET MANAGEMENT US, INC. 585,972 22,079,000 0.40%
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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.