United States · Series B startup

Who invested in NationBuilder

3 rounds we have observed, with the 16 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Software

Funding summaryUpdated 26 Oct 2026

$15Mraised across 3 rounds since 2011, from 3 sources

$500KSeed$6.3MSeries A$8.0MSeries B
Latest round
Series B, $8.0MJun 2013
Step-upi
1.3×
Investors
16
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20122013
$500KSeed$6.3MSeries A$8.0MSeries B
First round
Seed, $500K
May 2011
Biggest round
$8.0M
Series B · Jun 2013
Usual gap between rounds
15 months
the median of 2

The rounds

  1. Jun 2013
  2. Mar 2012
  3. May 2011
    Seed$500K3 new

    From a historical funding record

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

Andreessen HorowitzVC firm2rounds
Chris HughesAngel2rounds
SV AngelVC firm1round
Index VenturesVC firm1round
Omidyar NetworkFamily office1round
Amidzad PartnersVC firm1round
Dave MorinVC firm1round
Anthony SalehVC firm1round
Nasir JonesVC firm1round
Nihal MehtaVC firm1round
Dustin MoskovitzAngel1round
Sean ParkerAngel1round
Scott MarletteAngel1round
Ramin Bastanino record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list NationBuilder as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Partners for GrowthVC firmPer its own site
Runway Growth CapitalPrivate creditPer its own site

Quick answers about NationBuilder

Who invested in NationBuilder?

NationBuilder's investors include Andreessen Horowitz, Chris Hughes, SV Angel, Index Ventures and Omidyar Network, and 11 more on record.

How much has NationBuilder raised?

NationBuilder has raised $15M across 3 rounds since 2011.

When did NationBuilder last raise?

NationBuilder's most recent round was a Series B of $8.0M in Jun 2013.

What was NationBuilder's biggest round?

Its most recent round, $8.0M in Jun 2013, is also its largest on record.

Who backed NationBuilder first?

NationBuilder's first round on record, in May 2011, was backed by Nihal Mehta, Chris Hughes and Ramin Bastani.

What stage is NationBuilder at?

NationBuilder's latest named round is a Series B, in Jun 2013.

Where is NationBuilder based?

NationBuilder is based in the United States.

Companies like NationBuilder

In the same sector, and raised in the last eighteen months.

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