645 Ventures

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Enterprise software · Jan 1, 2026

645 Ventures is an investment firm whose partners include Aaron Holiday and Nnamdi Okike. Its AI infrastructure and developer-tools coverage identifies Gimlet Labs, while its own communications connect the firm to Ellis.

Recorded funding activity

The recorded activity includes Gimlet’s Series B for a compiler and cloud platform that distribute AI inference across processor types. Seed financings for Ellis, Fish Audio and General Analysis cover private-credit operations, voice generation and security for AI agents. These examples describe announcements covered by RoundOS rather than the firm’s complete portfolio.

Sources
Rounds participated in
10
Confirmed lead rounds
—
10 roles undisclosed
New companies
10
First participation on record · 0 follow-on
Funding in participating rounds
$808.8M
10 disclosed · full round size, not this investor’s share

By stage

Seed6
Series A2
Series B1
Series C+1

By primary sector

Enterprise software3
Fintech3
AI1
Biotech1
Cybersecurity1
1 more
Space tech1

By country

United States10

Rounds

10 in this selection
Ellis

AI-native operations platform for private credit

$10MSeed
Role not disclosed
Fish Audio

AI voice platform for expressive real-time text-to-speech, voice cloning, and voice agents

$52MSeed
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
Pomo

Provides AI marketing intelligence platform for decision-dense marketing functions

$4.5MSeed
Role not disclosed
Variance

Builds AI investigative agents for risk and compliance

$21.5MSeries A
Role not disclosed
Condor Software

Provides financial intelligence platform for life sciences companies to unify clinical operational and financial data

$24MSeries A
Role not disclosed
Uptiq

Builds AI agents and orchestration platform for financial institutions like banks and credit unions

$25MSeries B
Role not disclosed
Pelgo

AI-powered career transition agent providing job placement and reskilling services

$5.5MSeed
Role not disclosed
Arbor

Automates AI-powered interviews with frontline employees and customers to surface operational intelligence for enterprises

$6.3MSeed
Role not disclosed