F5
Seattle, US · 9 known investors
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F5 develops application delivery and security software and hardware platforms, including BIG-IP load balancers and application firewalls, for enterprise and government networks. The company serves organizations requiring network traffic management, cybersecurity, and application access control.
Founders & leadership

Investors · 9
How we know: Mayfield Fund's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Menlo Ventures's portfolio page · Not right? Tell us
How we know: Ridge Ventures's portfolio page · the VCSheet dataset · Not right? Tell us
How we know: StageOne Ventures's portfolio page · Not right? Tell us
Founder mafia
The F5 mafia →9 people who came through F5 went on to found or lead other companies.
Related companies · 9
Companies working in the same space as F5.
Acquisitions · 3
Early investors' stakes continue via these dealsSurePath AI provides a governance platform that enables organizations to safely adopt generative AI by detecting usage, mitigating risks, and controlling access to public and private AI models while maintaining security and compliance. The platform serves enterprises seeking to balance innovation with responsible GenAI deployment.
Wib (Wib Security) was a Tel Aviv-based cybersecurity startup founded in 2021 that built an API security platform for discovering, monitoring, and protecting APIs across their lifecycle.
Wib Security built an API security platform that provided end-to-end visibility into APIs, discovering shadow APIs and detecting vulnerabilities across the development lifecycle. It was founded in 2021 in Tel Aviv by Gil Don, Ran Ohayon, and Tal Steinherz.
Frequently asked questions
- What does F5 do?
- F5 develops application delivery and security software and hardware platforms, including BIG-IP load balancers and application firewalls, for enterprise and government networks. The company serves organizations requiring network traffic management, cybersecurity, and application access control.
- Who are F5's investors?
- F5's investors include Cyber Mentor Fund, JC2 Ventures, Koch Disruptive Technologies, Mayfield Fund, Menlo Ventures, Ridge Ventures, StageOne Ventures, GV (Google Ventures) and 1 more.
- Where is F5 headquartered?
- F5 is headquartered in Seattle, US.















