American Electric Power Co Inc
Ownership
Ownership Structure
Who owns American Electric Power Co Inc (AEP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.8% of the shares are freely tradable; institutional investors hold 82.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.37 | 51,024,057 | +6.8 | 06/30/2026 |
| Vanguard Capital Management, LLC | 6.53 | 35,529,471 | +1.1 | 06/30/2026 |
| State Street Corp | 5.65 | 30,783,142 | +1.6 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.32 | 23,492,086 | +50.5 | 06/30/2026 |
| Amvescap Plc. | 3.59 | 19,527,874 | +2.5 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 3.49 | 18,980,444 | +31.0 | 06/30/2026 |
| Geode Capital Management, LLC | 2.65 | 14,404,302 | +1.3 | 06/30/2026 |
| Wellington Management Company LLP | 2.55 | 13,872,005 | +5.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.17 | 17,272,585 | -0.1 | 09/30/2026 |
| Vanguard 500 Index Investor | 2.63 | 14,297,393 | -1.1 | 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 |
|---|---|---|---|---|---|
| Cannon Douglas A | President AEP Transmission | 46,007 | 5,990,111 $ | Oct 19, 2026 | direct |
| Berntsen Robert | Executive Vice President | 40,450 | 5,266,590 $ | Oct 19, 2026 | direct |
| Dixon Kate | Controller, CAO | 15,856 | 2,064,451 $ | Sep 8, 2026 | direct |
| Ferneau Kelly J | Executive Vice President | 15,364 | 2,000,393 $ | Oct 1, 2026 | direct |
| Stoddard Daniel G. | Director | 1,645 | 214,179 $ | Sep 30, 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 |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | Berntsen Robert | Executive Vice President | Other | 20,044 | 124.72 | 2,499,888 |
| Oct 19, 2026 | Cannon Douglas A | President AEP Transmission | Other | 20,044 | 124.72 | 2,499,888 |
| Oct 1, 2026 | Ferneau Kelly J | Executive Vice President | Other | 362 | 119.75 | 43,350 |
| Oct 1, 2026 | Berntsen Robert | Executive Vice President | Other | 1,425 | 119.75 | 170,644 |
| Sep 30, 2026 | Stoddard Daniel G. | Director | Other | 0 | 118.64 | 0 |
| Sep 8, 2026 | Dixon Kate | Controller, CAO | Sell | 2,000 | 125.00 | 250,000 |
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: October 30, 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.