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

Institutional Holders (2016Q1)
Portfolio Summary: 458 Institutional holders with a total value of $8,165,311,558.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 22,490,190 1,126,759,000 13.80%
2 STATE STREET CORP 13,000,297 651,300,000 7.98%
3 BlackRock Institutional Trust Company, N.A. 6,316,585 316,461,000 3.88%
4 GOLDMAN SACHS GROUP INC 4,735,657 237,256,000 2.91%
5 LAZARD ASSET MANAGEMENT LLC 4,597,570 230,337,000 2.82%
6 Epoch Investment Partners, Inc. 4,558,647 228,388,000 2.80%
7 BlackRock Fund Advisors 3,910,104 195,896,000 2.40%
8 WELLINGTON MANAGEMENT GROUP LLP 3,174,400 159,037,000 1.95%
9 NORTHERN TRUST CORP 2,854,307 143,002,000 1.75%
10 AQR CAPITAL MANAGEMENT LLC 2,536,463 127,077,000 1.56%
11 Boston Partners 2,465,182 123,506,000 1.51%
12 BlackRock Group LTD 2,379,160 119,197,000 1.46%
13 JENNISON ASSOCIATES LLC 2,341,872 117,328,000 1.44%
14 FIL Ltd 2,280,548 114,256,000 1.40%
15 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 2,272,504 113,852,000 1.39%
16 AMERIPRISE FINANCIAL INC 2,235,892 112,019,000 1.37%
17 WELLS FARGO & COMPANY/MN 2,027,345 101,570,000 1.24%
18 Bank of New York Mellon Corp 2,011,026 100,752,000 1.23%
19 AMERICAN CENTURY COMPANIES INC 1,999,910 100,195,000 1.23%
20 GEODE CAPITAL MANAGEMENT, LLC 1,968,157 98,406,000 1.21%
21 Legal & General Group Plc 1,910,336 95,701,000 1.17%
22 LNZ CAPITAL LP 1,873,815 93,878,000 1.15%
23 MILLENNIUM MANAGEMENT LLC 1,873,815 93,878,000 1.15%
24 Invesco Ltd. 1,863,767 93,373,000 1.14%
25 Allianz Asset Management GmbH 1,854,286 92,899,000 1.14%
26 ClearBridge Investments Ltd 1,821,584 91,262,000 1.12%
27 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,800,000 90,180,000 1.10%
28 FIRST TRUST ADVISORS LP 1,731,616 86,754,000 1.06%
29 LSV ASSET MANAGEMENT 1,466,300 73,461,000 0.90%
30 BANK OF MONTREAL /CAN/ 1,460,468 73,169,000 0.90%
31 Neuberger Berman Group LLC 1,447,712 72,530,000 0.89%
32 GUGGENHEIM CAPITAL LLC 1,441,130 72,200,000 0.88%
33 PICTET ASSET MANAGEMENT LTD 1,492,919 70,092,000 0.86%
34 RENAISSANCE TECHNOLOGIES LLC 1,385,600 69,419,000 0.85%
35 TIAA CREF INVESTMENT MANAGEMENT LLC 1,351,947 67,733,000 0.83%
36 FIRST MANHATTAN CO. LLC. 1,308,788 65,570,000 0.80%
37 VIRTUS CAPITAL ADVISERS, LLC 1,123,798 56,302,000 0.69%
38 SYSTEMATIC FINANCIAL MANAGEMENT LP 1,105,334 55,377,000 0.68%
39 PGGM Investments 1,025,300 51,368,000 0.63%
40 TEACHERS ADVISORS, LLC 800,781 40,119,000 0.49%
41 MANUFACTURERS LIFE INSURANCE COMPANY, THE 782,374 38,923,000 0.48%
42 PARAMETRIC PORTFOLIO ASSOCIATES LLC 775,353 38,845,000 0.48%
43 Sumitomo Mitsui Trust Group, Inc. 763,320 38,242,000 0.47%
44 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 760,814 38,117,000 0.47%
45 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 759,713 38,063,000 0.47%
46 MORGAN STANLEY 757,270 37,940,000 0.46%
47 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 738,400 36,994,000 0.45%
48 UNITED SERVICES AUTOMOBILE ASSOCIATION 717,159 35,930,000 0.44%
49 Swiss National Bank 730,493 35,075,000 0.43%
50 VOYA INVESTMENT MANAGEMENT LLC 687,832 34,461,000 0.42%
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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.