Primary Venture Partners

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Fintech · Jan 1, 2026

Primary Venture Partners is the investment firm named by Windmill and as seed lead by Zero’s founder.

Recorded funding activity

Zero develops customer-management tools for startup revenue teams. Other activity includes Inspiren’s care-coordination systems and Etched’s inference hardware. The firm history preserves these separate company events.

Sources
Rounds participated in
2
Confirmed lead rounds
—
2 roles undisclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$410M
2 disclosed · full round size, not this investor’s share

By stage

Series A1
Series C+1

By primary sector

Fintech2

By country

United States2

Rounds

2 in this selection
Fuse

Develops AI-native loan origination system for lenders

$25MSeries A
Role not disclosed
Vestwell

Provides infrastructure platform powering America's modern savings economy

$385MSeries E
Role not disclosed