F
Fortinet
Cybersecurity · Sunnyvale, United States · Founded 2000 · IPO 2009 Thoroughbred
Provider of network security appliances that include firewalls, security gateways, and complementary products
Fortinet mafia
Startups founded by Fortinet alumni
Former Fortinet employees who went on to start their own companies. Sorted by Dealroom signal score.
Todd LiUnited States
Shivaprasad EregowdaIndia
David MamanIsrael
Matthew SweeneyUnited States
Greg FitzgeraldUnited States
Haviv OhayonIsrael
Paul ChenUnited States
Kirk LacobUnited States
Kelly MilanUnited StatesGlobal footprint
Where Fortinet has talent and traffic
(53 of 16,167 staff)
team presence
across markets
Capital deployed
Fortinet's 24 investments and acquisitions.
Every disclosed deal where Fortinet appeared as a backer or acquirer, 2008–2025. Toggle between venture rounds, M&A, or both. The map below is grouped by the target company's sector — the colored pill on each chip is the round type.
24 deals across Fortinet's capital deployment.
Where the deals concentrate by sector, stage, and decade.
02 · Portfolio market map
Fortinet's portfolio, mapped.
Each chip is one company. Pill colour shows round type — green for Seed, blue for Series A, purple for B/C+, pink for late-stage, amber for M&A. Bigger sectors keep their full list behind “+ N more”.
Sentiment on X
What X is saying about Fortinet
An AI-synthesized read of the highest-engagement posts about Fortinet on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Fortinet on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.