Dark
Light
System
Security
AMEREN CORP
AMEREN CORP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 424 Institutional holders with a total value of $6,180,889,149.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 VANGUARD GROUP INC 19,451,290 745,568,000 12.06%
2 STATE STREET CORP 12,275,035 470,494,000 7.61%
3 FRANKLIN RESOURCES INC 8,915,250 341,722,000 5.53%
4 BlackRock Institutional Trust Company, N.A. 6,355,317 243,599,000 3.94%
5 Epoch Investment Partners, Inc. 5,098,258 195,416,000 3.16%
6 SYSTEMATIC FINANCIAL MANAGEMENT LP 5,056,215 193,804,000 3.14%
7 FIRST MANHATTAN CO. LLC. 3,648,308 139,839,000 2.26%
8 WELLINGTON MANAGEMENT GROUP LLP 3,485,644 133,605,000 2.16%
9 NORTHERN TRUST CORP 3,421,603 131,149,000 2.12%
10 BlackRock Fund Advisors 3,361,474 128,845,000 2.08%
11 Bank of New York Mellon Corp 3,300,213 126,497,000 2.05%
12 Neuberger Berman Group LLC 3,088,354 118,377,000 1.92%
13 AMERIPRISE FINANCIAL INC 2,535,382 97,184,000 1.57%
14 JANUS HENDERSON INVESTORS US LLC 2,153,758 82,554,000 1.34%
15 Allianz Asset Management GmbH 1,930,459 73,994,000 1.20%
16 BlackRock Group LTD 1,927,192 73,870,000 1.20%
17 GEODE CAPITAL MANAGEMENT, LLC 1,827,280 69,952,000 1.13%
18 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1,800,000 68,994,000 1.12%
19 Legal & General Group Plc 1,798,887 68,954,000 1.12%
20 AXA S.A. 1,758,002 67,384,000 1.09%
21 LAZARD ASSET MANAGEMENT LLC 1,721,745 65,994,000 1.07%
22 FIL Ltd 1,681,109 64,437,000 1.04%
23 PICTET ASSET MANAGEMENT LTD 1,679,902 64,391,000 1.04%
24 Capital Research Global Investors 1,660,000 63,628,000 1.03%
25 JENNISON ASSOCIATES LLC 1,652,908 63,356,000 1.03%
26 LUMINUS MANAGEMENT LLC 1,581,252 60,609,000 0.98%
27 MORGAN STANLEY 1,556,492 59,660,000 0.97%
28 PUTNAM INVESTMENTS LLC 1,522,409 58,354,000 0.94%
29 NORGES BANK 1,499,152 57,462,000 0.93%
30 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,352,008 51,822,000 0.84%
31 LSV ASSET MANAGEMENT 1,296,805 49,706,000 0.80%
32 Boston Partners 1,283,570 49,199,000 0.80%
33 GOLDMAN SACHS GROUP INC 1,264,385 48,464,000 0.78%
34 AMUNDI ASSET MANAGEMENT US, INC. 1,219,337 46,737,000 0.76%
35 AMERICAN CENTURY COMPANIES INC 1,112,004 42,623,000 0.69%
36 PGGM Investments 1,070,117 41,018,000 0.66%
37 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,057,515 40,534,000 0.66%
38 VOYA INVESTMENT MANAGEMENT LLC 1,052,986 40,362,000 0.65%
39 Zimmer Partners, LP 950,000 36,414,000 0.59%
40 FIRST TRUST ADVISORS LP 812,812 31,155,000 0.50%
41 MANUFACTURERS LIFE INSURANCE COMPANY, THE 806,632 30,918,000 0.50%
42 GATEWAY INVESTMENT ADVISERS LLC 806,313 30,906,000 0.50%
43 GABELLI FUNDS LLC 746,000 28,594,000 0.46%
44 Sumitomo Mitsui Trust Group, Inc. 705,451 27,040,000 0.44%
45 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 703,800 26,977,000 0.44%
46 NEW YORK STATE COMMON RETIREMENT FUND 677,119 25,954,000 0.42%
47 AQR CAPITAL MANAGEMENT LLC 667,186 25,573,000 0.41%
48 APG Asset Management N.V. 658,214 25,229,000 0.41%
49 WELLS FARGO & COMPANY/MN 642,454 24,625,000 0.40%
50 UNITED SERVICES AUTOMOBILE ASSOCIATION 639,115 24,497,000 0.40%
Page 1 of 9

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.