Menlo Ventures

Activity from announced rounds

All recorded activity

Menlo Ventures backs early-stage technology companies, with a major focus on AI infrastructure and applications across enterprise, healthcare and consumer markets.

Its stated investment areas also include cybersecurity, fintech, robotics, hardware and supply-chain automation. Across these areas, Menlo examines how AI changes both the underlying infrastructure and the products businesses or consumers use.

The Menlo Anthology Fund is a $100 million initiative developed with Anthropic to finance AI startups. Menlo also publishes research on enterprise, consumer and healthcare AI adoption, offering founders evidence about buyer demand and spending in their markets.

Sources
Rounds participated in
38
Confirmed lead rounds
1
32 roles undisclosed
New companies
33
First participation on record · 5 follow-on
Funding in participating rounds
$7.6B
37 disclosed · full round size, not this investor’s share

By stage

Series C+12
Series B10
Series A9
Seed3
Pre-seed2
1 more
Undisclosed2

By primary sector

AI12
Enterprise software5
Healthtech5
Cybersecurity4
Defense tech4
7 more
Fintech2
Biotech1
Climate tech1
Developer tools1
Media & gaming1
Robotics1
Space tech1

By country

United States35
Sweden2
1

Rounds

38 in all activity
Modal Labs

Optimizes AI inference to reduce compute costs and response time

$750MSeries D
Participant
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
Gimlet Labs

Provides a cloud inference platform and compiler that distribute AI workloads across different processor types.

$300MSeries B
Participant
OliverAI

Builds an analytical database platform that lets AI agents query enterprise data in real time

UndisclosedPre-Seed
Role not disclosed
Sleuth

Sleuth gives software teams data and workflows to measure engineering efficiency and improve how reliably they deliver software.

$22MSeries A
Participant
Higgsfield

AI video and image creation platform for professional creators and brands

$400MSeries B
Role not disclosed
Wispr Flow

Voice dictation that turns speech into clear, polished writing across apps.

$280MSeries B
Lead
Lovable

Lovable helps people build software by describing what they want to an AI development platform.

$400MSeries C
Role not disclosed
Heaviside Industries

Builds autonomous precision munitions platforms for air, land, and sea forces

$60MSeries B
Role not disclosed
Sapiom

Builds infrastructure that helps engineering teams run AI agents reliably in production

$35MSeries A
Role not disclosed
Obsidian Security

Secures non-human identities and AI agents operating in third-party applications

$85MSeries D
Role not disclosed
Arch

Arch helps investors, advisers and family offices administer private-market portfolios by collecting documents, standardizing data and coordinating investment workflows.

$52MSeries B
Role not disclosed
Fireworks

Platform for specialized intelligence enabling companies to train and serve custom models

$1.5BSeries D
Role not disclosed
Walden Robotics

A full-stack Physical AI company building and deploying general-purpose robots that continuously learn and improve while performing real work

$300MUndisclosed
Role not disclosed
Singularity

Building a safer world by deploying low-cost air defense systems at scale

$80MSeries A
Role not disclosed
Chai Discovery

Building AI models to accelerate pre-clinical drug discovery

$400MSeries C
Role not disclosed
Assort Health

Provides AI-powered patient journey platform for healthcare organizations

$120MSeries C
Role not disclosed
Westmag

American manufacturer of drone motors and robot actuators

$11MSeed
Role not disclosed
OpenRouter

Provides a unified API gateway enabling access, routing, and optimization across 400+ AI models for developers and enterprises

$113MSeries B
Role not disclosed
Nourish

Provides AI-native metabolic health care with dietitians and virtual medical services

$100MSeries C
Role not disclosed
Nectar Social

Provides AI infrastructure for modern marketing

$30MSeries A
Role not disclosed
Heaviside Industries

Builds autonomous precision munitions platforms for air, land, and sea forces

$28MSeries A
Role not disclosed
Manifest OS

Powers AI-native law firms with outcomes-based fixed pricing and predictable quality

$60MSeries A
Role not disclosed
True Anomaly

Builds autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for U.S. national security

$650MSeries D
Role not disclosed
BrainGrid

Builds AI product planning tools for non-technical founders

$1MPre-Seed
Role not disclosed
Gimlet Labs

Provides a cloud inference platform and compiler that distribute AI workloads across different processor types.

$80MSeries A
Role not disclosed
Arc Boat Company

Arc Boat Company builds electric recreational boats and propulsion systems for commercial vessels.

$50MSeries C
Role not disclosed
Legora

Provides AI-powered legal workflow software for corporate legal teams and law firms

$550MSeries D
Role not disclosed