American Electric Power Co Inc
AEP- Exchange
- Nasdaq
- Industry
- Electric Services
- SEC CIK
- 0000004904
In the last 90 days, American Electric Power Co Inc insiders filed 0 open-market purchases and 1 sale; 1,988 institutions reported holding it in 13F filings for Q2 2026, worth $68.6B in total; superinvestors Soros Fund Management and Icahn Capital hold it.
Holders of 5% or more of AEP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of American Electric Power Co Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.51%40.8M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 7.50%40.2M shares | – | Apr 17, 20251 filing | Apr 17, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on American Electric Power Co Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 29, 202610:22 AM ET | Vanguard Capital Management LLC | 13G | 7.51%40.8M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20263:46 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 7.50%40.2M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell American Electric Power Co Inc shares.
No Form 144 notices for American Electric Power Co Inc are on file.