Ameriprise Financial Reports Increased 13.7% Stake in Tenable Holdings, Inc.

On June 5, 2026, Ameriprise Financial, Inc. (AFI) filed an amended Schedule 13G (Amendment No. 2) reporting a significant stake in Tenable Holdings, Inc. (TENB). As of the event date on May 31, 2026, AFI, through its subsidiary Columbia Management Investment Advisers, LLC (CMIA) and associated funds, beneficially owns 15,063,544 shares of common stock, representing 13.7% of the class. This reflects an increase from a previously reported 0.0% position in the provided data. Within this aggregate holding, CMIA reports beneficial ownership of 14,056,072 shares (12.7%), while the Columbia Seligman Technology and Information Fund directly holds 8,878,977 shares (8.1%). CMIA serves as the investment adviser to the Fund and other accounts, while AFI is the parent holding company. The filing indicates shared dispositive power over the full 15,063,544 shares by AFI. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing control of the issuer.