
Last 4 earnings calls · through Q2 FY2026
The bull case is that firewall, SD-WAN and SASE now run on one operating system and one appliance, so Fortinet can serve deals that rivals need several separate products to cover.
Customers building AI environments need far more internal segmentation and throughput, which plays to Fortinet's own security chips rather than to software-only competitors.
Growth comes largely from converting an existing firewall and SD-WAN base into SASE and security operations, so the company sells more into accounts it already controls.
The bear case is that the acceleration is hardware-led, helped by memory-driven price increases and an AI build-out, and hardware demand is the first thing that slows.
Support and subscription revenue is recognised over years and still trails product growth, so the profit mix improves more slowly than the headline numbers suggest.
Almost all sales run through distributors and most hardware is assembled in Taiwan, so a single partner problem or a cross-strait disruption can interrupt shipments.
In short: Product demand is accelerating across all three pillars, while service revenue still lags the hardware sales.
Management long called 10% to 15% the normal product growth rate for the next decade; product revenue is now growing several times faster and full-year guidance has been raised again.
Service growth had slid for nine quarters and the recovery kept being pushed further out; management now says the first quarter was the trough and has raised its service revenue outlook.
The recurring subscription and support base grows at a small fraction of the pace of appliance sales, so the steady revenue that cushions a cyclical quarter is not compounding with hardware.
The newest demand pools are described by management as early stage with no disclosed size, so the raised growth rate rests on demand the company cannot yet quantify beyond the current year.
In short: Operating margin and cash flow are strong, while memory costs keep gross margin under pressure.
Operating margin reached 33.7%, up 5.6 points from a year earlier, even though product revenue outgrew services, which points to cost discipline rather than a lucky mix.
Free cash flow of $3.1 billion over the last twelve months equals 41.4% of revenue, so the company funds its own data center build and share repurchases from operations.
Management once said margin moved on product mix, not component costs; it now raises prices to defend gross margin and builds a high single-digit price effect into second-half billings.
Gross margin slipped 0.4 points to 80.2% while product revenue outgrew services, so a further rise in memory prices would hit a margin that is already drifting lower.
In short: Fortinet leads firewall on price and performance, but its manufacturing and channel partners are concentrated.
Because it writes its own operating system and designs its own security chips, Fortinet sells firewall, SD-WAN and SASE as one appliance while competitors assemble acquired point products.
Rules such as NIS2 require critical infrastructure operators in Europe to secure and report on their industrial networks, a segment Fortinet has invested in for over a decade while few rivals focused on it.
Any escalation between China and Taiwan, or a change in export controls, would directly interrupt Fortinet's ability to build and ship the appliances that now drive most of its growth.
Revenue flows through channel partners rather than direct, and one distributor holds a large share of net receivables, so a partner's credit or terms trouble quickly becomes Fortinet's own.