Vanguard Portfolio Management filed a Schedule 13G with the SEC on October 30, 2026, disclosing beneficial ownership of 30,941,474 shares of American Electric Power Co Inc common stock, representing 5.68% of the class, as of the event date of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: Vanguard Portfolio Management reported beneficial ownership of 30,941,474 shares of American Electric Power Co Inc common stock.
  • Percent of class: The reported position represents 5.68% of the outstanding common stock, according to the filing.
  • Sole voting power: Vanguard Portfolio Management disclosed sole voting power over 65,690 shares.
  • Sole dispositive power: The filing reports sole dispositive power over 30,941,474 shares, with no shared dispositive power reported.
  • Affiliated entities included: The filing states it covers securities beneficially owned by Vanguard Portfolio Management LLC and affiliates Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC.
  • Event date: The date of event which requires the filing is stated as September 30, 2026.

Vanguard Portfolio Management's Disclosed Position in American Electric Power

According to the Schedule 13G filed October 30, 2026, Vanguard Portfolio Management, organized in Pennsylvania and headquartered at 100 Vanguard Blvd, Malvern, PA 19355, reported an aggregate beneficial ownership of 30,941,474 shares of American Electric Power Co Inc common stock (CUSIP 025537101). The filing classifies the reporting person as an investment adviser (type "IA"). The issuer, American Electric Power Co Inc, is listed with principal executive offices at 1 Riverside Plaza, Columbus, OH 43215.

The filing states that Vanguard Portfolio Management holds sole voting power over 65,690 shares and sole dispositive power over all 30,941,474 shares, with shared voting power and shared dispositive power each reported as zero. The filing notes, in accordance with SEC Release No. 34-39538 (January 12, 1998), that the reported holdings include securities held by Vanguard funds or sleeves thereof over which Vanguard Portfolio Management LLC exercises dispositive power, as well as securities held by clients over which affiliates Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC exercise dispositive and/or voting power.

The filing further discloses that Vanguard Portfolio Management, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the reported securities, and that "No one other person's interest in the securities reported herein is more than 5%." The statement was signed by My Trieu-Gatt, Authorized Signatory, Head of Global Fund Administration, on October 30, 2026.

What Was Disclosed

Vanguard Portfolio Management disclosed a 5.68% beneficial ownership position of 30,941,474 shares of American Electric Power Co Inc common stock via a Schedule 13G filing, with the triggering event dated September 30, 2026, and the filing submitted October 30, 2026.