Latest Period
Q2 2026
CUSIP: 023608102
Latest Period
Q2 2026
Institutions Reporting
942
Shares (Excl. Options)
244,506,215
Price
$113.04
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Latest holder context comes from 942 institutions filings for Q2 2026.
Security key
023608102
Latest holder period
Q2 2026
13F holders
942
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 023608102:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 8.1% | $2,184,751,859 | 21,878,148 | BlackRock, Inc. | 31 Dec 2025 | |||
| PRICE T ROWE ASSOCIATES INC /MD/ | 8.1% | $2,175,957,089 | 21,790,077 | T. Rowe Price Associates, Inc. | 31 Dec 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $2,289,496,640 | 20,828,754 | Vanguard Capital Management | 31 Mar 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.7% | $1,744,514,269 | 15,870,763 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| STATE STREET CORP | 5.2% | $1,466,279,094 | 14,047,510 | STATE STREET CORPORATION | 30 Sep 2025 | |||
| T. Rowe Price Investment Management, Inc. | 2.7% | -50% | $848,783,719 | -$772,188,797 | 7,520,678 | -48% | T. Rowe Price Investment Management, Inc. | 31 Mar 2026 |
As of 30 Jun 2026, 942 institutional investors reported holding 244,506,215 shares of AMEREN CORP - COMMON STOCK (AEE). This represents 88% of the company’s total 278,543,630 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.3% | 25,818,527 | +8.5% | 0.04% | $2,918,526,220 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 7.4% | 20,636,717 | -3.4% | 0.23% | $2,332,775,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.5% | 18,050,825 | +0.7% | 0.04% | $2,040,465,258 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.7% | 16,011,790 | +1.1% | 0.08% | $1,809,972,741 |
| STATE STREET CORP | 5.4% | 15,171,626 | +1.6% | 0.05% | $1,715,000,603 |
| T. Rowe Price Investment Management, Inc. | 4.4% | 12,130,872 | +61% | 0.9% | $1,371,274,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 7,820,813 | +2.1% | 0.05% | $880,794,496 |
| FRANKLIN RESOURCES INC | 2.2% | 6,099,146 | +7.3% | 0.15% | $689,447,479 |
| AMERIPRISE FINANCIAL INC | 2.1% | 5,936,910 | -5.4% | 0.14% | $671,112,940 |
| Jupiter Topco LLC | 1.8% | 5,115,469 | 0% | 0.24% | $578,253,662 |
| FMR LLC | 1.7% | 4,786,206 | -4.6% | 0.02% | $541,032,766 |
| Invesco Ltd. | 1.6% | 4,510,354 | -1% | 0.04% | $509,850,435 |
| GOLDMAN SACHS GROUP INC | 1.3% | 3,676,311 | +19% | 0.04% | $415,570,165 |
| ALLIANCEBERNSTEIN L.P. | 1.2% | 3,463,854 | -0.28% | 0.14% | $380,746,832 |
| MORGAN STANLEY | 1.2% | 3,402,611 | +16% | 0.02% | $384,631,248 |
| WELLS FARGO & COMPANY/MN | 1.1% | 2,925,333 | -1.2% | 0.06% | $330,679,492 |
| BESSEMER GROUP INC | 0.97% | 2,715,499 | -1.6% | 0.42% | $306,960,000 |
| BARCLAYS PLC | 0.93% | 2,577,609 | +57% | 0.09% | $291,372,920 |
| Pictet Asset Management Holding SA | 0.87% | 2,414,872 | +6.5% | 0.26% | $272,977,131 |
| Nuveen, LLC | 0.86% | 2,383,415 | +6.2% | 0.06% | $269,421,121 |
| DEUTSCHE BANK AG\ | 0.81% | 2,242,735 | +59% | 0.07% | $253,518,765 |
| BANK OF AMERICA CORP /DE/ | 0.78% | 2,175,165 | -4% | 0.02% | $245,880,667 |
| Point72 Asset Management, L.P. | 0.77% | 2,139,630 | +208% | 0.37% | $241,863,775 |
| NORTHERN TRUST CORP | 0.76% | 2,110,028 | -3.1% | 0.03% | $238,517,564 |
| COHEN & STEERS, INC. | 0.68% | 1,906,537 | +4.3% | 0.34% | $215,515,000 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 244,506,215 | $27,627,952,041 | +$1,237,168,805 | $113.04 | 942 |
| 2026 Q1 | 233,964,413 | $25,680,354,557 | +$206,365,272 | $109.92 | 927 |
| 2025 Q4 | 231,824,920 | $23,152,754,018 | +$66,565,460 | $99.86 | 877 |
| 2025 Q3 | 230,542,582 | $24,055,241,657 | -$79,499,629 | $104.38 | 819 |
| 2025 Q2 | 231,363,447 | $22,213,430,800 | +$1,078,465,673 | $96.04 | 790 |
| 2025 Q1 | 221,775,680 | $22,256,678,969 | +$99,111,057 | $100.40 | 798 |
| 2024 Q4 | 220,927,421 | $19,691,765,777 | +$675,251,706 | $89.14 | 729 |
| 2024 Q3 | 213,060,109 | $18,626,949,951 | +$260,091,361 | $87.46 | 678 |
| 2024 Q2 | 209,793,232 | $14,914,125,654 | +$76,629,024 | $71.11 | 657 |
| 2024 Q1 | 208,529,292 | $15,421,120,680 | +$239,117,194 | $73.96 | 655 |
| 2023 Q4 | 210,305,734 | $15,210,425,935 | +$291,967,089 | $72.34 | 677 |
| 2023 Q3 | 206,147,858 | $15,428,175,458 | +$256,494,376 | $74.83 | 664 |
| 2023 Q2 | 202,833,252 | $16,565,477,465 | -$224,604,248 | $81.67 | 670 |
| 2023 Q1 | 204,712,509 | $17,682,853,356 | -$836,384 | $86.39 | 669 |
| 2022 Q4 | 204,921,427 | $18,221,354,618 | +$123,382,832 | $88.92 | 676 |
| 2022 Q3 | 203,542,552 | $16,404,417,819 | -$532,296,109 | $80.55 | 642 |
| 2022 Q2 | 199,658,705 | $18,034,912,457 | +$444,022,304 | $90.36 | 653 |
| 2022 Q1 | 196,041,063 | $18,356,766,911 | +$239,061,204 | $93.76 | 653 |
| 2021 Q4 | 193,510,142 | $17,214,530,018 | -$117,085,820 | $89.01 | 651 |
| 2021 Q3 | 194,360,877 | $15,737,045,284 | -$1,176,477 | $81.00 | 585 |
| 2021 Q2 | 194,944,347 | $15,599,407,127 | +$52,114,893 | $80.04 | 591 |
| 2021 Q1 | 194,170,659 | $15,788,786,925 | -$41,573,183 | $81.36 | 567 |
| 2020 Q4 | 195,019,005 | $15,208,683,134 | +$684,581,346 | $78.06 | 583 |
| 2020 Q3 | 186,402,558 | $14,731,968,303 | -$675,686,054 | $79.08 | 559 |
| 2020 Q2 | 194,787,279 | $13,721,144,287 | +$491,349,588 | $70.36 | 552 |