Ameren Corp
Ownership
Ownership Structure
Who owns Ameren Corp (AEE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.4% of the shares are freely tradable; institutional investors hold 86.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.61 | 23,797,354 | +3.6 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 7.73 | 21,361,624 | -2.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.49 | 17,925,853 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.73 | 15,836,894 | +0.0 | 03/31/2026 |
| State Street Corp | 5.40 | 14,929,384 | +2.9 | 03/31/2026 |
| Geode Capital Management, LLC | 2.77 | 7,658,257 | +4.5 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 2.73 | 7,534,288 | -72.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.19 | 8,812,833 | +0.3 | 07/31/2026 |
| Vanguard 500 Index Investor | 2.63 | 7,265,628 | +1.1 | 07/31/2026 |
| T. Rowe Price Capital Appreciation | 2.59 | 7,160,928 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Moehn Michael L | Group President, Utilities | 199,689 | 20,747,687 $ | Aug 3, 2026 | direct |
| Shaw Theresa A | SVP and CATO | 32,340 | 3,360,126 $ | Aug 14, 2026 | direct |
| Martin Ryan J | SVP Finance | 25,595 | 2,659,321 $ | Aug 20, 2026 | direct |
| Flores Rafael | Director | 13,888 | 1,442,963 $ | Sep 11, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Flores Rafael | Director | Sell | 248 | 105.53 | 26,171 |
| Aug 20, 2026 | Martin Ryan J | SVP Finance | Sell | 500 | 109.88 | 54,940 |
| Aug 18, 2026 | Martin Ryan J | SVP Finance | Sell | 471 | 109.87 | 51,749 |
| Aug 14, 2026 | Shaw Theresa A | SVP and CATO | Sell | 325 | 108.93 | 35,402 |
| Aug 3, 2026 | Moehn Michael L | Group President, Utilities | Sell | 6,500 | 108.96 | 708,240 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.