
F5
F5 is a cybersecurity company specializing in Network Security, founded in 1996 and headquartered in Seattle, United States. It has 1 priced equity round on record with undisclosed amounts, employs about 6,164 people, and is publicly traded.
updated Sep 12, 2026
Latest F5 news and company activity
What F5 did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026Feature launchF5 adds anomaly detection and agentic threat intelligence to AI-powered WAF for faster virtual patching
- Sep 2026PartnershipF5 and MuleSoft, a Salesforce Company, Collaborate to Deliver Inline Security and Governance for Agent Fabric and Agentic AI Applications
- Aug 2026Product launchF5 Accelerates Virtual Patching to Manage Emerging Cyber Risks With AI-Powered WAF and Runtime Security
- Jul 2026Exec change
F5 Momentum score
48/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
F5 funding
F5 has 1 priced equity round on record with undisclosed amounts. Its most recent round was a Venture Round in September 1998.
- Equity raised
- Undisclosed1 priced round
- Last round
- Venture RoundSep 1998
F5 employees and hiring
F5 has about 6,164 employees, with 282 open roles.
- Employees
- 6,164
- 30-day change
- 0%
- Open roles
- 282
F5 competitors
Security professionals most often compare F5 against HackerOne, Akamai, and CBRX on cybersectools.com. 27 more are in the platform, with overlap scoring.
by search demand for comparison pages on cybersectools.com, 90 days
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs282 live postings, role mix
- Tech stackframeworks, clouds, security






