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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
251 FIFTH THIRD BANCORP 17,861 685,000 0.01%
252 Jefferies Group LLC 17,397 667,000 0.01%
253 SCHRODER INVESTMENT MANAGEMENT GROUP 17,085 654,869 0.01%
254 WESTPAC BANKING CORP 17,004 651,763 0.01%
255 Citizens Business Bank 16,350 627,000 0.01%
256 Employees Retirement System of Texas 16,000 613,000 0.01%
257 Plancorp, LLC 15,564 599,000 0.01%
258 ANCHOR CAPITAL ADVISORS LLC 15,580 597,000 0.01%
259 JAMES INVESTMENT RESEARCH, INC. 15,415 591,000 0.01%
260 GSA CAPITAL PARTNERS LLP 15,369 589,000 0.01%
261 First Dallas Securities Inc. 15,156 581,000 0.01%
262 TUDOR INVESTMENT CORP ET AL 14,843 569,000 0.01%
263 Parallax Volatility Advisers, L.P. 14,728 565,000 0.01%
264 PINNACLE ASSOCIATES LTD 14,618 560,000 0.01%
265 MARSHWINDS ADVISORY CO 14,425 553,000 0.01%
266 First Heartland Consultants, Inc. 14,330 549,000 0.01%
267 STIFEL FINANCIAL CORP 13,977 535,000 0.01%
268 GENESEE VALLEY TRUST CO 13,793 529,000 0.01%
269 SENTRY INVESTMENT MANAGEMENT LLC 13,510 518,000 0.01%
270 FIRSTMERIT BANK N A TRUSTEE 13,326 511,000 0.01%
271 SUNTRUST BANKS INC 13,315 510,000 0.01%
272 LS Investment Advisors, LLC 13,160 504,000 0.01%
273 VAUGHAN DAVID INVESTMENTS LLC/IL 12,689 486,000 0.01%
274 SIMMONS FIRST TRUST CO NA 12,370 474,000 0.01%
275 LADENBURG THALMANN FINANCIAL SERVICES INC. 12,225 469,000 0.01%
276 Meiji Yasuda Asset Management Co Ltd. 12,109 464,000 0.01%
277 OPTIMUM INVESTMENT ADVISORS 12,100 464,000 0.01%
278 RAYMOND JAMES TRUST N.A. 12,023 461,000 0.01%
279 Nuveen Asset Management, LLC 11,864 455,000 0.01%
280 SUNFLOWER BANK, NA WEALTH MANAGEMENT 11,825 453,000 0.01%
281 ICON ADVISERS INC/CO 11,700 448,000 0.01%
282 DELTA LLOYD NV 11,686 448,000 0.01%
283 ALPHA WINDWARD LLC 11,580 444,000 0.01%
284 HANCOCK WHITNEY CORP 11,509 441,000 0.01%
285 J.P. Morgan Private Wealth Advisors LLC 11,308 433,000 0.01%
286 Cipher Capital LP 11,268 432,000 0.01%
287 TIAA CREF TRUST CO FSB/MO 11,249 431,000 0.01%
288 Walleye Trading LLC 11,035 423,000 0.01%
289 Visium Asset Management, LP 10,800 414,000 0.01%
290 Verition Fund Management LLC 10,774 413,000 0.01%
291 SYMPHONY ASSET MANAGEMENT LLC 10,359 397,000 0.01%
292 ENTERPRISE FINANCIAL SERVICES CORP 10,195 391,000 0.01%
293 abrdn Investment Management Ltd 10,145 389,000 0.01%
294 VSR Financial Services, Inc. 9,982 383,000 0.01%
295 THRIVENT FINANCIAL FOR LUTHERANS 9,640 376,000 0.01%
296 Norinchukin Bank, The 9,742 373,000 0.01%
297 MACKENZIE FINANCIAL CORP 9,494 364,000 0.01%
298 Santa Fe Partners LLC 9,384 360,000 0.01%
299 Dynamic Technology Lab Private Ltd 9,336 358,000 0.01%
300 Virtu KCG Holdings LLC 9,287 356,000 0.01%
Page 6 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.