Fortinet, Inc. (FTNT) Institutional Ownership

Ownership Summary

The institutional landscape for Fortinet, Inc. (NASDAQ:FTNT) includes 1241 filers as of the latest reporting cycle ending September 2025.

• The percentage of Fortinet owned by institutions changed from 67.7% in June 2025 to 62.8% in September 2025, marking a slight down trend.
• In percentage terms, this reflects as a holdings change of -3.19% quarter on quarter, and an increase of 11.70% year over year.
• A review of institutional activity for Fortinet shows 526 of 1241 filers increasing their positions, while 554 reduced their stake, and 161 remained unchanged.
• The aggregate institutional position in Fortinet now stands at 481.53Mn shares as of September 2025, after investors decreased their holdings (down by 15.85Mn shares quarter on quarter which is down 15.27Mn shares year over year).
• As of September 30, 2025, VANGUARD GROUP INC held Fortinet's largest shareholding position with over 75.58Mn shares, representing 9.86% of total outstanding shares.
• Among the most significant buyers of Fortinet during September 2025 were VANGUARD GROUP INC (2.89Mn), JANE STREET GROUP, LLC (2.62Mn), VAN ECK ASSOCIATES CORP (2.13Mn), FIRST TRUST ADVISORS LP (1.79Mn), Invesco Ltd. (1.57Mn).
• Leading sellers of Fortinet stock in September 2025 included FMR LLC (4.19Mn), AQR CAPITAL MANAGEMENT LLC (3.72Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (2.56Mn), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (2.43Mn), Bridgewater Associates, LP (2.19Mn).
• The top 10 institutional holders of Fortinet for the quarter ending September 2025 included VANGUARD GROUP INC (75.58Mn), BlackRock, Inc. (62.13Mn), STATE STREET CORP (29.66Mn), GEODE CAPITAL MANAGEMENT, LLC (17.18Mn), Bank of New York Mellon Corp (13.61Mn), Invesco Ltd. (10.82Mn), MORGAN STANLEY (10.76Mn), Fundsmith LLP (8.42Mn), FIRST TRUST ADVISORS LP (7.58Mn), NORDEA INVESTMENT MANAGEMENT AB (6.92Mn).