Fortinet, Inc. (FTNT) Institutional Ownership

Ownership Summary

Fortinet, Inc. (NASDAQ:FTNT) has 1,280 institutional investors that have filed 13F reports for the period ending December 2025.

• These investors held 64.8% of outstanding shares in December 2025, up from 63.9% in September 2025.
• Their total shares held in FTNT increased 4.43% quarter over quarter, and separately, investors owning Fortinet increased 0.63% from a year ago.
• Of these 1,280 holders, 662 added to their stakes in Fortinet, 477 trimmed positions, and 141 made no changes.
• Institutional investors collectively held 492.97Mn shares in Fortinet as of December 2025, up by 20.91Mn shares quarter on quarter, and down 42.61Mn shares year over year.
• As of December 31, 2025, the biggest holder of Fortinet is Pictet Asset Management Holding SA at 3.29Mn shares, representing 0.43% of shares outstanding.
• Leading buyers of Fortinet shares for the quarter ending December 2025 were Ninety One UK Ltd (892.2K), SG Americas Securities, LLC (522.68K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (261.46K), AEGON ASSET MANAGEMENT UK PLC (250.66K), Pictet Asset Management Holding SA (131.05K).
• The biggest sellers of Fortinet for the quarter ending December 2025 included Sarasin & Partners LLP (1.26Mn), ABN AMRO Bank N.V. (275.46K), Robeco Institutional Asset Management B.V. (271.87K), BEACON INVESTMENT ADVISORY SERVICES, INC. (270.15K), BI Asset Management Fondsmaeglerselskab A/S (81.47K).
• According to Business Quant data, leading holders of FTNT for December 2025 are Pictet Asset Management Holding SA (3.29Mn), Robeco Institutional Asset Management B.V. (2.25Mn), Sarasin & Partners LLP (1.52Mn), SG Americas Securities, LLC (1.39Mn), Ninety One UK Ltd (892.2K), Boston Trust Walden Corp (379.55K), COUNTRY TRUST BANK (307.33K), E. Ohman J:or Asset Management AB (285.06K), DAVIDSON INVESTMENT ADVISORS (270.7K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (261.46K).