
F5, Inc.

FFIV (F5, Inc.) trades at 4.8x EV/Revenue — reasonably priced for a application security/delivery company with best-in-class gross margins (81%) and moderate growth (+6% YoY). The business is profitable at 29% EBIT margins. Forward PE of 18x.
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F5 provides cybersecurity and application delivery solutions that help enterprises securely manage and optimize their digital applications across hybrid cloud environments. Their customers include large enterprises (64%), government agencies (23%), and service providers (13%) who need to protect and accelerate application performance. The company generates revenue through a balanced mix of hardware systems, software licenses, subscriptions, and ongoing support services.
F5 is experiencing a growth reacceleration, raising FY26 guidance to 5-6% from 0-4% based on strong execution and pipeline momentum. The company is benefiting from hybrid multi-cloud adoption, AI infrastructure demand, and regulatory-driven spending (EMEA grew 24% driven by digital sovereignty requirements). Systems revenue surged 37% YoY, indicating healthy demand for their hardware appliances.
F5 demonstrates best-in-class profitability with 83.8% gross margins and expanding 38.2% operating margins (+80 bps YoY). The company generates strong free cash flow ($149M in Q1 after $10M capex) and maintains a fortress balance sheet with $1.22B cash. Management raised FY26 operating margin guidance to 34-35%, showing confidence in operational leverage.
F5 holds a strong position in the application delivery controller market with deep enterprise relationships and sticky, mission-critical infrastructure. While facing competition from cloud-native solutions and security vendors like Palo Alto Networks and Fortinet, F5's hybrid approach and 69% recurring revenue base provide defensive moats. Their recent AI capabilities and API security enhancements help differentiate against emerging threats.
F5 delivered a strong Q1 with 7% revenue growth to $822M, beating expectations by 5% on revenue and $0.79 on EPS. The company successfully navigated a security incident at quarter start with minimal customer impact, demonstrating operational resilience. Management's confident guidance raise and positive commentary on AI adoption and regulatory tailwinds drove investor optimism.
Analysts appear increasingly constructive on F5's prospects, with the company consistently beating estimates across four consecutive quarters. The raised guidance and accelerating growth trajectory suggest Street expectations may still be conservative. However, debates likely center on the software transition timeline and sustainability of systems growth momentum.
F5 is a highly profitable cybersecurity infrastructure play benefiting from AI adoption and hybrid cloud trends, with management demonstrating strong execution through consistent beats and raised guidance despite macro headwinds.
| '25E | '26E | '27E | '28E | |
|---|---|---|---|---|
| Revenue | $3.1B | $3.3B | $3.4B | $3.4B |
| Growth | — | +6% | +3% | +2% |
| EBITDA | — | $1.1B | $1.2B | $1.2B |
| Growth | — | +7% | +2% | |
| FCF | $906M | $985M | $1.1B | $1.1B |
| Margin | 30% | 30% |
F5 and Skyfire Partner to Advance Secure Agentic Commerce for the Enterprise
F5 Collaborates with AWS and Microsoft on NSS Labs Research Paper on AI Runtime Security Testing
F5 and NVIDIA Advance AI Factory Economics With New Capabilities for Accelerated AI Inference
F5 Advances Enterprise Application Security for the AI and Post-quantum Era
F5 Strengthens Its Application Delivery and Security Platform to Simplify Operations and Accelerate Secure AI Adoption
| 32% |
| 32% |
| EPS (PF) | $15.39 | $15.94 | $16.72 | $17.53 |
| Growth | — | +4% | +5% | +5% |
| PF Op Inc | — | $1.2B | $1.3B | $1.4B |