AMEREN CORP
Total Trades
59
Buys
0
Sells
58
Largest Trade
N/A
Insiders
15
Institutional Funds
770
Inst. Value
$1M+
Activist Filings
15
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| BAXTER WARNER L | Executive Chairman | SELL | $1M+ | 22K | $88.10 | Mar 10, 2022 |
| Schukar Shawn E | Insider | SELL | $100K–$500K | 3K | $85.68 | Mar 3, 2022 |
| MOEHN MICHAEL L | Executive VP & CFO | SELL | $100K–$500K | 3K | $85.69 | Mar 3, 2022 |
| LYONS MARTIN J | President & CEO | SELL | $500K+ | 8K | $85.44 | Mar 3, 2022 |
| Lindgren Mark C | Insider | SELL | $100K–$500K | 1K | $85.89 | Mar 3, 2022 |
| BAXTER WARNER L | Executive Chairman | SELL | $1M+ | 27K | $85.21 | Mar 3, 2022 |
| MARK RICHARD J | Insider | SELL | $100K–$500K | 6K | $82.18 | Mar 2, 2022 |
| Flores Rafael | Director | GRANT | N/A | 2K | — | Jan 5, 2022 |
| Flores Rafael | Director | SELL | N/A | 3K | — | Jan 5, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 770 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 14.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 6.5M | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 3.5M | $1M+ | SH |
| Pictet Asset Management Holding SA | 2.0M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8M | $1M+ | SH |
| COHEN & STEERS, INC. | 1.5M | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.5M | $1M+ | SH |
| VANGUARD GROUP INC | 1.5M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 1.4M | $1M+ | SH |
| ANTIPODES PARTNERS Ltd | 1.2M | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 1.2M | $1M+ | SH |
| BARCLAYS PLC | 1.0M | $1M+ | SH |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 960K | $1M+ | SH |
| Point72 Asset Management, L.P. | 958K | $1M+ | SH |
| LAZARD ASSET MANAGEMENT LLC | 932K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 878K | $1M+ | SH |
| Swiss National Bank | 741K | $1M+ | SH |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 682K | $1M+ | SH |
| HOMESTEAD ADVISERS CORP | 645K | $1M+ | SH |
| Sumitomo Mitsui Trust Group, Inc. | 637K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 21, 2026
8.1%
21.9M shares
SC 13G · Nov 10, 2025
5.2%
14.0M shares
T. Rowe Price Investment Management, Inc.
SC 13G · Aug 14, 2025
5.2%
14.4M shares
T. Rowe Price Investment Management, Inc.
SC 13G/A · May 14, 2025
4.8%
13.0M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G/A · Nov 14, 2024
5.4%
14.6M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 17, 2024
4.9%
13.1M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Oct 7, 2024
10.0%
26.7M shares
T. Rowe Price Investment Management, Inc. 85-4328500
SC 13G · Feb 14, 2024
5.6%
14.8M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2024
7.0%
18.4M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.3%
32.3M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 30, 2024
5.4%
0 shares
SC 13G/A · Jan 26, 2024
7.0%
18.4M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
6.6%
17.1M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2022
10.5%
26.9M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 10, 2022
5.0%
0 shares