Most Active Cybersecurity Investors in San Jose 2026

11 firms writing Cybersecurity checks in San Jose, led by Ridge Ventures, Marker Hill Capital, Shasta Ventures — ranked by verified deal count.

Cybersecurity in San Jose accounts for 5 tracked companies with verified cap-table data, 5 of which disclose round sizes totalling $638M. The median disclosed raise is $71M, and the largest is Vectra AI at $350M, ahead of Exaforce ($200M) and Elisity ($71M).

The names that recur most often on these cybersecurity cap tables are TCV (1 company), Blackstone (1 company), Khosla Ventures (1 company), Mayfield (1 company), Peak XV (1 company), HarbourVest (1 company). By latest disclosed round, the market skews Series B (2), Series F (1), Seed (1).

Companies tracked: 5
Disclosed funding total: $638M across 5 companies
Median disclosed raise: $71M
Largest raise: Vectra AI — $350M
Stage mix: Series B 2 · Series F 1 · Seed 1
Most recent dated round: 2026-05-01

Best funded Cybersecurity in San Jose companies

Vectra AI — $350M (latest: Series F)
Exaforce — $200M (latest: Series B)
Elisity — $71M (latest: Seed)
Concentric AI — $15M (latest: Series B)
Cyware — $3M

Sector × city funding reports (20)

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