BlackRock Portfolio Management LLC filed Amendment No. 2 to a Schedule 13G with the SEC on October 27, 2026, disclosing beneficial ownership of common stock in WESCO International Inc. as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: BlackRock Portfolio Management LLC reported beneficial ownership of 3,995,230 shares of WESCO International common stock.
  • Percent of class: The reported holdings represent 8.2% of the outstanding class of common stock.
  • Sole voting power: The filing disclosed sole voting power over 3,873,778 shares.
  • Sole dispositive power: Sole power to dispose of or direct the disposition of all 3,995,230 shares was reported.
  • No shared voting or dispositive power: Both shared voting power and shared dispositive power were reported as 0.
  • Triggering event date: The event requiring this filing occurred on September 30, 2026.

BlackRock Portfolio Management's Amended 13G Position in WESCO International

BlackRock Portfolio Management LLC, organized in Delaware and headquartered at 50 Hudson Yards, New York, NY 10001, filed Amendment No. 2 to Schedule 13G with respect to the common stock of WESCO International Inc. (NYSE:WCC), which is headquartered at 225 West Station Square Drive, Suite 700, Pittsburgh, Pennsylvania 15219. The filing was signed by Spencer Fleming, Managing Director, on October 27, 2026, with a triggering event date of September 30, 2026.

According to the filing, BlackRock Portfolio Management LLC reported aggregate beneficial ownership of 3,995,230 shares of WESCO International common stock, representing 8.2% of the class. The filing states that sole voting power applies to 3,873,778 shares, while sole dispositive power covers the full 3,995,230 shares. Shared voting power and shared dispositive power are each reported as 0.

The filing notes, in accordance with SEC Release No. 34-39538 dated January 12, 1998, that this Schedule 13G "reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the 'Reporting Business Units') of BlackRock, Inc. and its subsidiaries and affiliates." With regard to the receipt of dividends or proceeds from a sale, the filing states that "various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of WESCO INTERNATIONAL," and that "no one person's interest in the common stock of WESCO INTERNATIONAL is more than five percent of the total outstanding common shares."

What Was Disclosed

BlackRock Portfolio Management LLC disclosed, via an amended Schedule 13G, that it beneficially owned 3,995,230 shares of WESCO International common stock, equal to 8.2% of the class, as of September 30, 2026, with all voting and dispositive power held solely.