American Electric Power Co Inc (AEP)
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%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 9.65 | 52,496,895 | +1.6 | 12/31/2025 |
| BlackRock Inc | 8.78 | 47,797,729 | +3.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.46 | 35,138,422 | +0.0 | 03/31/2026 |
| State Street Corp | 5.57 | 30,288,136 | -0.5 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.87 | 15,608,556 | +0.0 | 03/31/2026 |
| GQG Partners LLC | 2.76 | 15,025,884 | -11.1 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 2.66 | 14,486,169 | -1.2 | 03/31/2026 |
| Geode Capital Management, LLC | 2.61 | 14,222,791 | +2.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.17 | 17,235,280 | +0.3 | 04/30/2026 |
| Vanguard 500 Index Investor | 2.58 | 14,026,221 | +1.8 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 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.