Vanguard Portfolio Management holds 11,212,876 Tenable Holdings common shares, equal to 10.18% of the company’s reported outstanding stock. The position matters because Vanguard certifies that the securities were acquired and held in the ordinary course, without the purpose or effect of changing or influencing Tenable’s control.

Key Highlights

  • No other person’s interest in the reported securities exceeds 5%.
  • My Trieu-Gatt signed as Vanguard Portfolio Management’s authorized signatory and Head of Global Fund Administration on September 4, 2026.
  • Vanguard Portfolio Management holds 11,212,876 common shares of Tenable Holdings, Inc. This position represents 10.18% of Tenable’s ownership, or approximately 11.2 million shares.

Vanguard Portfolio Management holds 10.18% of Tenable Holdings, Inc. (NASDAQ: TENB), representing 11,212,876 common shares (11.2 million).

Vanguard Ownership Snapshot The

ownership position was measured as of August 31, 2026, while the amendment was signed on September 4, 2026. Vanguard Portfolio Management’s reported holdings include securities over which it exercises dispositive power, as well as securities held by clients for which its named affiliates or related Business divisions exercise dispositive or voting power. Vanguard Investment companies and managed accounts have the right to receive dividends or direct proceeds from sales of the securities. The certification states that the holdings were acquired and maintained in the ordinary course and were not connected with a transaction intended to change or influence Tenable’s control. My Trieu-Gatt signed the certification as an authorized signatory and Head of Global Fund Administration for Vanguard Portfolio Management.