Tenable Holdings, Inc. (TENB) Institutional Ownership

Ownership Summary

A total of 259 institutions have reported a stake in Tenable Holdings, Inc. (NASDAQ:TENB) as of December 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Tenable Holdings moved to 90.7% in December 2025, a shift down from the 92.2% reported for September 2025.
• In percentage terms, this reflects as a holdings change of 4.35% quarter on quarter, and a decrease of 11.60% year over year.
• Of these 259 institutional investors, 143 increased their holdings in Tenable Holdings, while 95 of them reduced positions, and 21 investors maintained their exposure.
• The total number of shares held by institutions in Tenable Holdings increased to 108.52Mn as of December 2025, a net change of up by 4.52Mn shares quarter on quarter, and up 125.46K shares year over year.
• VANGUARD GROUP INC continues to be the largest institutional holder of Tenable Holdings as of December 31, 2025, with a position of 15.43Mn shares, representing 12.89% of the company's outstanding stock.
• Among the most significant buyers of Tenable Holdings during December 2025 were UBS Group AG (2.37Mn), NORGES BANK (1.89Mn), FIRST TRUST ADVISORS LP (1.02Mn), Alyeska Investment Group, L.P. (919.05K), FEDERATED HERMES, INC. (672.61K).
• Leading sellers of Tenable Holdings stock in December 2025 included ROYAL BANK OF CANADA (1.60Mn), Assenagon Asset Management S.A. (926.85K), MILLENNIUM MANAGEMENT LLC (877.38K), MARSHALL WACE, LLP (864.68K), SHAPIRO CAPITAL MANAGEMENT LLC (720.52K).
• The top 10 institutional holders of Tenable Holdings for the quarter ending December 2025 included VANGUARD GROUP INC (15.43Mn), BlackRock, Inc. (12.80Mn), AMERIPRISE FINANCIAL INC (6.56Mn), FIRST TRUST ADVISORS LP (4.24Mn), RGM Capital, LLC (4.07Mn), UBS Group AG (3.09Mn), STATE STREET CORP (3.02Mn), GEODE CAPITAL MANAGEMENT, LLC (2.93Mn), SHAPIRO CAPITAL MANAGEMENT LLC (2.89Mn), Penserra Capital Management LLC (2.76Mn).