Slow Ventures

Activity from announced rounds

All recorded activity

Slow Ventures is the venture firm whose consolidated history preserves its own investments separately from Sam Lessin’s personal participation.

Recorded funding activity

The recorded activity includes Snag’s rental marketplace, Ellis’ private-credit operations and NanoClaw’s sandboxed agent runtime. TrustedRouter’s issuer identifies Lessin personally, so that participation is not attributed to the firm.

Sources
Rounds participated in
8
Confirmed lead rounds
2
5 roles undisclosed
New companies
8
First participation on record · 0 follow-on
Funding in participating rounds
$67.5M
8 disclosed · full round size, not this investor’s share

By stage

Seed7
Undisclosed1

By primary sector

Proptech3
Climate tech1
Cybersecurity1
Enterprise software1
Fintech1
1 more
Healthtech1

By country

United States7
Israel1

Rounds

8 in all activity
Otter Health

Clinical intelligence software helping healthcare payers and providers assess care decisions against evidence and guidelines.

$8MSeed
Participant
Snag

A rental marketplace where people can find verified sublets and lease takeovers directly from current tenants.

$4MSeed
Lead
Ellis

AI-native operations platform for private credit

$10MSeed
Role not disclosed
NanoClaw

Builds sandboxed container runtime for AI agents as a secure alternative to OpenClaw

$12MSeed
Role not disclosed
Hint

AI-native home management platform helping homeowners proactively manage maintenance, costs, and repairs

$10MSeed
Role not disclosed
Prefix

Provides AI-powered facility management for multi-site restaurant and retail operators

$7.5MSeed
Role not disclosed
Ando

Ando develops demand forecasting and workforce scheduling tools for businesses employing hourly workers.

$4MSeed
Lead
Project Omega

Recycles spent nuclear fuel into long-duration power sources and critical materials

$12MUndisclosed
Role not disclosed