Ameren Corporation (AEE) Shareholders & Insider Trades
Ameren shareholders at a glance
The largest holder of Ameren stock is BlackRock Advisors LLC, with 21.3 million shares (7.70% of the company), worth about $2.26 billion as of September 25, 2026. The 10 largest holders together own 46.3%.
In Q2 2026, 976 institutional holdings reports listed 282.0 million shares worth $28.00 billion, up 20.5% in shares from Q1 2026.
Insiders reported 90 transactions in the last two years: 30 sales worth $14.12 million and no purchases. The newest one on file is from May 14, 2026 (Shaw Theresa A, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 14, 2026.
Ameren Corporation
Shareholders Summary
2026Q2
Ownership by Type
Geographic Distribution
Largest Ameren shareholders
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 21.3 million | 7.70% | $2.3B |
| T. Rowe Price International Ltd. | 20.6 million | 7.45% | $2.2B |
| Vanguard Capital Management LLC | 18.1 million | 6.52% | $1.9B |
| Vanguard Portfolio Management LLC | 16.0 million | 5.78% | $1.7B |
| State Street Corporation | 15.2 million | 5.48% | $1.6B |
| T. Rowe Price Investment Management, Inc. | 12.1 million | 4.38% | $1.3B |
| Geode Capital Management LLC | 7.8 million | 2.83% | $829.0M |
| Fiduciary Trust Company International | 6.1 million | 2.20% | $647.0M |
| Ameriprise Trust Co. | 5.9 million | 2.15% | $629.0M |
| Janus Henderson Investors US LLC | 5.1 million | 1.85% | $542.0M |
As of September 25, 2026.
Ameren institutional holdings by quarter
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 976 | 282.0 million | $28.0B |
| Q1 2026 | 948 | 234.0 million | $25.7B |
| Q4 2025 | 898 | 244.0 million | $24.3B |
| Q3 2025 | 848 | 235.0 million | $24.5B |
| Q2 2025 | 825 | 232.0 million | $22.3B |
| Q1 2025 | 836 | 222.0 million | $22.3B |
| Q4 2024 | 759 | 221.0 million | $20.1B |
| Q3 2024 | 710 | 218.0 million | $19.0B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
Ameren insider trades
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Shaw Theresa A | May 14, 2026 | Officer | Sale at price 109.08 - 109.35 per share. | $199,476 |
| Moehn Michael L | May 1, 2026 | Officer | Sale at price 113.63 per share. | $738,595 |
| Brune Catherine S | Mar 5, 2026 | Director | Stock Gift at price 0.00 per share. | – |
| Lindgren Mark C | Mar 3, 2026 | Officer of Subsidiary Company | Sale at price 111.84 per share. | $231,844 |
| Schukar Shawn E | Mar 3, 2026 | Officer of Subsidiary Company | Sale at price 111.84 per share. | $556,404 |
| Lyons Martin J Jr | Mar 3, 2026 | Chief Executive Officer | Sale at price 111.84 per share. | $3.0M |
| Rausch Timothy S. | Feb 27, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Flores Rafael | Feb 17, 2026 | Director | Sale at price 111.52 per share. | $178,432 |
| Mizell Gwendolyn G. | Feb 17, 2026 | Officer of Subsidiary Company | Sale at price 110.90 per share. | $393,473 |
| Shaw Theresa A | Feb 17, 2026 | Officer | Sale at price 111.89 per share. | $36,364 |
| Arora Ajay K | Feb 17, 2026 | Officer | Sale at price 111.44 per share. | $334,320 |
| Feinberg David Matthew | Feb 5, 2026 | General Counsel | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 90 insider transactions in the last two years.
Questions and answers
Who owns the most Ameren stock?
BlackRock Advisors LLC, with 7.70% of the company (as of September 25, 2026). Next: T. Rowe Price International Ltd. (7.45%) and Vanguard Capital Management LLC (6.52%).
How many institutions own Ameren stock?
976 institutional holdings reports listed Ameren shares in Q2 2026, 282.0 million shares in all worth $28.00 billion.
Are Ameren insiders buying or selling the stock?
In the last two years insiders reported 30 sales and no purchases (90 transactions in all); the newest on file is from May 14, 2026.
