
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 6,265 people, and is publicly traded.
updated Oct 22, 2026
Latest F5 news and company activity
What F5 did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026PartnershipIndosat and F5 Launch 'Intelligence Suite': A Token Factory to Unlock AI Across Asia
- Oct 2026Feature launchF5 Enhances Cloud-Native Network Services for Service Providers
- Oct 2026PartnershipContinuous AI Security with F5 AI Guardrails and AWS Bedrock
- Jul 2026Exec changeF5 Appoints Cathy Peterman As Chief People Officer For AI Push
F5 Momentum score
56/ 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 6,265 employees, with 200 open roles.
- Employees
- 6,265
- 30-day change
- 0%
- Open roles
- 200
F5 competitors
Security professionals most often compare F5 against Akamai, HackerOne, and Abnormal Security on cybersectools.com. 22 more are in the platform, with overlap scoring.
ranked by CybersecTools comparison demand, 90 days
Get the Mandos Brief, free.
A free Mandos account opens 1 full company profile a month, the moment you click, plus our research articles and the Mandos Brief every Monday. Use your work email.
- One full company profile a month
- The full Mandos Pacesetters analysis, each quarter
- Research articles
- The Mandos Brief every Monday
Free with your work email. No card. Includes the Mandos Brief every Monday.
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs200 live postings, role mix
- Tech stackframeworks, clouds, security














