| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | 5.2% | +8% | $1,464,850,141 | +$137,343,508 | 14,362,684 | +10% | T. Rowe Price Investment Management, Inc. | 30 Jun 2025 |
| STATE STREET CORP | 5.2% | $1,466,279,094 | 14,047,510 | STATE STREET CORPORATION | 30 Sep 2025 |
As of 30 Sep 2025, 809 institutional investors reported holding 230,506,230 shares of AMEREN CORP - COMMON STOCK (AEE). This represents 85% of the company’s total 270,144,423 outstanding shares.
The largest institutional shareholders of AMEREN CORP - COMMON STOCK (AEE) together control 67% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 13% | 35,149,610 | -1.2% | 0.05% | $3,668,916,291 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11% | 28,643,216 | -0.8% | 0.32% | $2,989,780,000 |
| BlackRock, Inc. | 8.1% | 21,756,125 | +1.5% | 0.04% | $2,270,904,325 |
| T. Rowe Price Investment Management, Inc. | 5.7% | 15,523,424 | +8.1% | 0.99% | $1,620,335,000 |
| STATE STREET CORP | 5.2% | 14,045,845 | +2.4% | 0.05% | $1,466,105,301 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.7% | 7,328,524 | +1.2% | 0.05% | $761,940,600 |
| AMERIPRISE FINANCIAL INC | 2.3% | 6,283,529 | +0.97% | 0.15% | $655,891,554 |
| Invesco Ltd. | 1.9% | 5,140,239 | +0.97% | 0.08% | $536,538,147 |
| FMR LLC | 1.8% | 4,840,941 | -5.4% | 0.03% | $505,297,332 |
| JANUS HENDERSON GROUP PLC | 1.7% | 4,724,321 | +0.86% | 0.23% | $493,124,088 |
| JPMORGAN CHASE & CO | 1.5% | 4,080,775 | +69% | 0.03% | $425,951,413 |
| ALLIANCEBERNSTEIN L.P. | 1.3% | 3,378,053 | +3.6% | 0.11% | $352,601,172 |
| GOLDMAN SACHS GROUP INC | 1.2% | 3,182,244 | -42% | 0.05% | $332,162,594 |
| WELLS FARGO & COMPANY/MN | 1.1% | 3,042,079 | -1.4% | 0.06% | $317,532,179 |
| MORGAN STANLEY | 1.1% | 2,894,529 | -1.5% | 0.02% | $302,131,127 |
| BESSEMER GROUP INC | 1% | 2,775,590 | -1% | 0.44% | $289,715,000 |
| FRANKLIN RESOURCES INC | 0.87% | 2,349,783 | -0.72% | 0.06% | $245,270,351 |
| NORTHERN TRUST CORP | 0.85% | 2,301,634 | -3.1% | 0.03% | $240,244,557 |
| Nuveen, LLC | 0.82% | 2,225,577 | -7% | 0.06% | $232,305,727 |
| BANK OF AMERICA CORP /DE/ | 0.8% | 2,151,525 | -6.5% | 0.02% | $224,576,194 |
| Legal & General Group Plc | 0.78% | 2,120,507 | -6.2% | 0.05% | $221,338,521 |
| Pictet Asset Management Holding SA | 0.76% | 2,059,379 | -8% | 0.21% | $214,957,980 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.66% | 1,787,278 | +4.7% | 0.06% | $186,556,077 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.64% | 1,735,082 | -0.2% | 0.03% | $181,107,859 |
| COHEN & STEERS, INC. | 0.58% | 1,557,672 | -27% | 0.29% | $162,590,000 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,633,108 | $163,322,149 | +$73,058,976 | $99.86 | 88 |
| 2025 Q3 | 230,506,230 | $24,051,640,769 | -$81,039,532 | $104.38 | 809 |
| 2025 Q2 | 231,363,447 | $22,213,430,800 | +$1,078,465,645 | $96.04 | 790 |
| 2025 Q1 | 221,751,743 | $22,254,275,616 | +$98,886,139 | $100.40 | 795 |
| 2024 Q4 | 220,884,062 | $19,687,861,405 | +$674,626,422 | $89.14 | 721 |
| 2024 Q3 | 213,009,976 | $18,622,580,416 | +$226,888,206 | $87.46 | 675 |
| 2024 Q2 | 210,038,429 | $14,931,493,018 | +$41,094,221 | $71.11 | 653 |
| 2024 Q1 | 208,847,573 | $15,444,661,065 | +$264,870,607 | $73.96 | 656 |
| 2023 Q4 | 624,183 | $45,153,365 | -$5,545,960 | $72.34 | 7 |
| 2023 Q3 | 205,777,953 | $15,400,495,811 | +$291,475,523 | $74.83 | 650 |
| 2023 Q2 | 200,867,828 | $16,404,962,013 | -$239,130,136 | $81.67 | 661 |
| 2023 Q1 | 204,390,176 | $17,655,006,155 | -$42,762,584 | $86.39 | 658 |
| 2022 Q4 | 198,151,020 | $17,619,417,332 | +$128,148,759 | $88.92 | 662 |
| 2022 Q3 | 179,425,555 | $14,461,324,754 | -$239,112,518 | $80.55 | 628 |
| 2022 Q2 | 192,565,763 | $17,393,735,874 | +$397,199,292 | $90.36 | 639 |
| 2022 Q1 | 189,427,805 | $17,736,298,828 | +$180,070,617 | $93.76 | 642 |
| 2021 Q4 | 187,677,737 | $16,694,977,429 | -$193,598,160 | $89.01 | 642 |
| 2021 Q3 | 194,122,978 | $15,717,365,149 | +$18,002,574 | $81.00 | 580 |
| 2021 Q2 | 194,568,861 | $15,569,345,788 | +$77,940,210 | $80.04 | 585 |
| 2021 Q1 | 193,247,717 | $15,712,942,578 | +$3,505,933 | $81.36 | 562 |
| 2020 Q4 | 193,797,707 | $15,110,346,726 | +$683,302,392 | $78.06 | 575 |
| 2020 Q3 | 183,592,411 | $14,509,733,738 | -$669,785,526 | $79.08 | 548 |
| 2020 Q2 | 192,228,251 | $13,540,216,485 | +$389,967,326 | $70.36 | 542 |
| 2020 Q1 | 189,044,883 | $13,776,181,611 | +$364,073,624 | $72.83 | 559 |
| 2019 Q4 | 183,353,330 | $14,074,432,410 | -$114,982,423 | $76.80 | 577 |
| 2019 Q3 | 184,885,546 | $14,793,234,248 | +$788,585,635 | $80.05 | 555 |
| 2019 Q2 | 174,325,341 | $13,088,109,417 | -$87,428,824 | $75.11 | 541 |
| 2019 Q1 | 176,756,694 | $12,984,067,690 | -$73,924,122 | $73.55 | 560 |
| 2018 Q4 | 172,331,548 | $11,233,594,427 | +$212,279,523 | $65.23 | 556 |
| 2018 Q3 | 173,533,059 | $10,962,507,658 | +$203,308,493 | $63.22 | 538 |
| 2018 Q2 | 169,559,607 | $10,305,541,000 | +$122,987,001 | $60.85 | 528 |
| 2018 Q1 | 162,933,776 | $9,198,722,539 | +$22,269,801 | $56.63 | 527 |
| 2017 Q4 | 164,554,640 | $9,662,249,729 | -$131,832,917 | $58.99 | 508 |
| 2017 Q3 | 165,802,402 | $9,592,095,623 | +$110,379,117 | $57.84 | 496 |
| 2017 Q2 | 165,187,388 | $9,033,731,116 | -$264,092,165 | $54.67 | 490 |
| 2017 Q1 | 171,202,687 | $9,345,673,892 | +$1,098,750,840 | $54.59 | 486 |
| 2016 Q4 | 165,570,311 | $8,671,986,924 | +$259,502,063 | $52.46 | 477 |
| 2016 Q3 | 162,935,680 | $8,013,378,000 | +$52,712,747 | $49.18 | 457 |
| 2016 Q2 | 161,939,362 | $8,667,488,016 | -$26,170,903 | $53.58 | 461 |
| 2016 Q1 | 162,638,460 | $8,138,687,612 | +$184,912,860 | $50.10 | 441 |
| 2015 Q4 | 159,963,993 | $6,917,447,724 | -$45,136,761 | $43.23 | 444 |
| 2015 Q3 | 158,887,063 | $6,715,726,208 | +$59,104,832 | $42.27 | 424 |
| 2015 Q2 | 154,967,106 | $5,842,971,210 | -$66,597,777 | $37.68 | 411 |
| 2015 Q1 | 159,550,553 | $6,734,489,592 | -$9,841,509 | $42.20 | 437 |
| 2014 Q4 | 160,100,582 | $7,387,019,837 | -$26,849,808 | $46.13 | 426 |
| 2014 Q3 | 160,863,526 | $6,165,831,411 | +$80,389,469 | $38.33 | 420 |
| 2014 Q2 | 158,536,812 | $6,480,379,238 | +$214,978,752 | $40.88 | 418 |
| 2014 Q1 | 153,449,789 | $6,321,168,010 | +$107,287,269 | $41.20 | 418 |