AMEREN CORP

Ticker: AEE CUSIP: 023608102 Class: COM

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
VANGUARD GROUP INC35,645,555$3,559,565
BlackRock, Inc.22,967,168$2,293,501
PRICE T ROWE ASSOCIATES INC /MD/21,789,822$2,176
STATE STREET CORP14,503,721$1,448,342
T. Rowe Price Investment Management, Inc.11,344,053$1,133
GEODE CAPITAL MANAGEMENT, LLC7,325,175$728,793
AMERIPRISE FINANCIAL INC6,352,441$634,371
Invesco Ltd.5,290,191$528,278
FMR LLC4,933,452$492,654
JANUS HENDERSON GROUP PLC4,823,992$481,724
ALLIANCEBERNSTEIN L.P.3,533,888$352,894
GOLDMAN SACHS GROUP INC3,517,169$351,224
MORGAN STANLEY3,023,867$301,964
WELLS FARGO & COMPANY/MN2,975,767$297,160
BESSEMER GROUP INC2,740,079$274
FRANKLIN RESOURCES INC2,473,120$246,966
Nuveen, LLC2,384,176$238,084
NORTHERN TRUST CORP2,167,057$216,402
BANK OF AMERICA CORP /DE/2,128,391$212,541
Pictet Asset Management Holding SA1,997,144$199,435
Legal & General Group Plc1,980,793$197,802
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,757,442$175,498
CITADEL ADVISORS LLC1,711,056$170,866
MASSACHUSETTS FINANCIAL SERVICES CO /MA/1,692,149$168,978
JPMORGAN CHASE & CO1,687,175$168,481
Bank of New York Mellon Corp1,546,189$154,402
COHEN & STEERS, INC.1,536,838$153
JENNISON ASSOCIATES LLC1,440,327$143,831
Soroban Capital Partners LP1,248,221$130,289
ANTIPODES PARTNERS Ltd1,243,491$124,184
DUFF & PHELPS INVESTMENT MANAGEMENT CO1,204,941$120,325
UBS ASSET MANAGEMENT AMERICAS INC1,154,008$115,239
BARCLAYS PLC1,134,784$113,320
DIMENSIONAL FUND ADVISORS LP1,118,342$111,688
REAVES W H & CO INC1,084,664$108,315
DEUTSCHE BANK AG\987,367$98,598
UBS Group AG973,193$97,183
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC959,846$95,850
Point72 Asset Management, L.P.958,013$95,667
LAZARD ASSET MANAGEMENT LLC932,017$93,071
FIRST TRUST ADVISORS LP913,629$91,235
Swiss National Bank741,100$74,006
Zimmer Partners, LP713,945$71,295
MARSHALL WACE, LLP697,164$69,619
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM681,711$68,076
Clark Capital Management Group, Inc.667,243$66,631
Aventail Capital Group, LP666,389$66,546
AQR CAPITAL MANAGEMENT LLC647,065$64,616
Homestead Advisers Corp644,939$64,404
Sumitomo Mitsui Trust Holdings, Inc.637,359$63,647
ExodusPoint Capital Management, LP613,050$61,219
MANUFACTURERS LIFE INSURANCE COMPANY, THE591,800$59,215
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.568,721$57,361
CIBC Private Wealth Group, LLC565,303$56,451
HITE Hedge Asset Management LLC557,700$55,692
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS553,475$55,270
UniSuper Management Pty Ltd544,127$54,337
ROYAL BANK OF CANADA519,460$51,873
Assenagon Asset Management S.A.518,725$51,800
CHILTON CAPITAL MANAGEMENT LLC510,964$51,025
Energy Income Partners, LLC495,205$49,451
Squarepoint Ops LLC492,356$49,167
GABELLI FUNDS LLC482,750$48,207
RHUMBLINE ADVISERS464,685$46,403
Amundi446,301$44,568
Yaupon Capital Management LP434,497$43,389
HSBC HOLDINGS PLC405,784$40,539
BANK OF NOVA SCOTIA402,316$40,175
Qube Research & Technologies Ltd392,867$39,232
BNP PARIBAS ARBITRAGE, SA389,309$38,876
CITIGROUP INC384,068$38,353
PRUDENTIAL FINANCIAL INC380,732$38,020
SEI INVESTMENTS CO373,127$37,261
National Pension Service371,365$37,085
BANK OF MONTREAL /CAN/358,044$35,754
GATEWAY INVESTMENT ADVISERS LLC345,738$34,525
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM326,219$32,576
PRINCIPAL FINANCIAL GROUP INC324,845$32,439
VICTORY CAPITAL MANAGEMENT INC319,118$31,867
Freestone Grove Partners LP292,386$29,198
Verition Fund Management LLC286,031$28,563
SCHRODER INVESTMENT MANAGEMENT GROUP285,993$28,811
Hudson Bay Capital Management LP282,791$28,240
Russell Investments Group, Ltd.280,465$28,009
WORLDQUANT MILLENNIUM ADVISORS LLC279,360$27,897
Ceredex Value Advisors LLC258,902$25,854
MILFORD FUNDS LTD245,838$24,549
NEW YORK STATE TEACHERS RETIREMENT SYSTEM242,830$24
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM241,703$24,136
RENAISSANCE TECHNOLOGIES LLC240,800$24,046
Magellan Asset Management Ltd228,779$22,846
Korea Investment CORP227,952$22,763
LPL Financial LLC226,827$22,651
RAYMOND JAMES FINANCIAL INC209,626$20,933
Quantinno Capital Management LP205,308$20,502
Gotham Asset Management, LLC192,188$19,192
TUDOR INVESTMENT CORP ET AL191,053$19,079
Alberta Investment Management Corp190,000$18,973
BRAUN STACEY ASSOCIATES INC188,756$18,849
Northwest & Ethical Investments L.P.188,068$18,780
769 other institutions13,881,522$1,261,197
Total (869 institutions)227,277,457$18,818,521