FTNT · 10-Q · 2026Q3 · Full report

Interest Income Trends

Fortinet, Inc. · 2026-10-30 · Importance 23 · Surprise 22

Interest income declined $21.2 million, or 16%, to $108.8 million in the nine months ended September 30, 2026, primarily because of lower average interest rates and lower average cash and cash equivalents following share repurchases and debt repayment. Interest expense fell $5.3 million to $10.4 million, primarily because the 2026 Senior Notes were repaid at maturity in March 2026. Other income, net, increased $1.8 million to $59.8 million, including a $38.1 million increase related to marketable equity security fair value and a $17.0 million escrow settlement gain.

Key facts

• Fortinet interest income decreased $21.2 million, or 16%, in the nine months ended September 30, 2026 compared with the same period in 2025. source
• Fortinet three-month interest income increased $2.0 million year over year, primarily because average cash and cash-equivalent balances were higher following stock repurchases in the prior year. source