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 | 9.33 | 25,818,527 | +8.5 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 7.45 | 20,636,717 | -3.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.52 | 18,050,825 | +0.7 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 5.78 | 16,011,790 | +1.1 | 06/30/2026 |
| State Street Corp | 5.48 | 15,171,626 | +1.6 | 06/30/2026 |
| T. Rowe Price Investment Management,Inc. | 4.38 | 12,130,872 | +61.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.83 | 7,820,813 | +2.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.18 | 8,813,964 | +0.1 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 7,269,942 | -1.1 | 09/30/2026 |
| T. Rowe Price Capital Appreciation | 2.59 | 7,160,928 | +0.0 | 09/30/2026 |
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 | 22,045,666 $ | Aug 3, 2026 | direct |
| Shaw Theresa A | SVP and CATO | 32,340 | 3,570,336 $ | Aug 14, 2026 | direct |
| Martin Ryan J | SVP Finance | 25,595 | 2,825,688 $ | Aug 20, 2026 | direct |
| Flores Rafael | Director | 13,888 | 1,533,235 $ | 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: November 3, 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.