Menlo Ventures

Activity from announced rounds

Activity in this selectionUnited States · Oct 16, 2026 · Sep 17, 2026
Rounds participated in
2
Confirmed lead rounds
0
All roles disclosed
New companies
1
First participation on record · 1 follow-on
Funding in participating rounds
$345.5M
2 disclosed · full round size, not this investor’s share

By stage

Series B2

By primary sector

AI1
Cybersecurity1

By country

United States2

Rounds

2 in this selection
Nous Research

Open-source AI models and the Hermes agent, which retains project memory and reusable skills across tasks.

$90MSeries B
Participant
Armadin

Armadin develops AI agents that test attack paths across enterprise systems and show defenders how connected weaknesses could be exploited.

$255.5MSeries B
Participant