# NationBuilder

> Community organizing and campaign software for political candidates and advocacy groups.

## Why it is interesting

Foundational civic-tech infra — a16z led a $6.25M Series A (2012) with Ben Horowitz joining the board; Omidyar Network co-led a later $8M round.

## Profile

- **Stage:** growth
- **Status:** private
- **Industries:** enterprise-saas, generalist-tech
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Series A (Mar 2012): $6.25M led by a16z; Ben Horowitz joined board (NationBuilder press, TechCrunch)
- Series B follow-on (2013): Omidyar Network led $8M with a16z participation (NationBuilder blog)
- Co-investors not in VCT directory: Omidyar Network, Sean Parker (angel)
- Co-investors: no additional institutional investors disclosed in public sources reviewed 2026-07-24

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/nationbuilder