Ameriprise Financial Increases Stake in Fortinet

Cybersecurity firm Fortinet sees major investment from financial services company

Mar. 16, 2026 at 7:23am

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Ameriprise Financial Inc. has increased its stake in cybersecurity company Fortinet, Inc. (NASDAQ:FTNT) by 23.1% in the 3rd quarter, according to a recent SEC filing. Ameriprise now owns 5,160,348 shares of the software maker's stock, representing 0.69% ownership.

Why it matters

Fortinet is a leading provider of network security appliances and software, with its FortiGate firewalls and FortiOS operating system forming a core part of its product portfolio. The increased investment from Ameriprise Financial, a major financial services firm, signals confidence in Fortinet's business and growth potential within the cybersecurity market.

The details

According to the SEC filing, Ameriprise Financial purchased an additional 969,899 shares of Fortinet during the 3rd quarter, bringing its total ownership to 5,160,348 shares. This represents a 23.1% increase in Ameriprise's stake in the company. Fortinet has a market capitalization of $61.74 billion and its stock is trading around $83 per share.

  • Ameriprise Financial increased its stake in Fortinet during the 3rd quarter of 2026.

The players

Ameriprise Financial Inc.

A major financial services firm that provides financial planning, asset management, insurance, and annuity products.

Fortinet, Inc.

A multinational cybersecurity company that develops and delivers integrated security solutions for enterprise, service provider and government customers worldwide.

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The takeaway

Ameriprise Financial's increased investment in Fortinet underscores the growing importance of cybersecurity as businesses and organizations face evolving threats. This move highlights Fortinet's position as a leader in the industry and the confidence institutional investors have in the company's long-term growth prospects.