United States · Venture startup

Who invested in ZIRX

3 rounds we have observed, with the 7 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.

Funding summaryUpdated 26 Oct 2026

$36Mraised across 3 rounds since 2014, from 3 sources

$6.4MSeries A$30MSeries B
Latest round
VentureSept 2015
Biggest round
$30MSeries B · Apr 2015
Investors
7
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.

2015
$6.4MSeries A$30MSeries B?Venture
First round
Series A, $6.4M
Sept 2014
Biggest round
$30M
Series B · Apr 2015
Usual gap between rounds
8 months
the median of 2

The rounds

  1. Sept 2015
    VentureAmount undisclosed1 new

    From a historical funding record

  2. Apr 2015
  3. Sept 2014
    Series A$6.4M2 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

Trinity VenturesVC firm2rounds
Fabrice GrindaAngel1round
Brendan WallaceAngel1round
Jose MarinVC firm1round
BMW i VenturesCorporate VC1round

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

Quick answers about ZIRX

Who invested in ZIRX?

ZIRX's investors include Norwest Venture Partners, Trinity Ventures, Bessemer Venture Partners, Fabrice Grinda and Brendan Wallace, and 2 more on record.

How much has ZIRX raised?

ZIRX has raised $36M across 3 rounds since 2014. One round did not disclose an amount, so the total is a floor.

When did ZIRX last raise?

ZIRX's most recent round was a Venture in Sept 2015.

What was ZIRX's biggest round?

ZIRX's largest round on record is $30M (Series B), in Apr 2015.

Who backed ZIRX first?

ZIRX's first round on record, in Sept 2014, was backed by Norwest Venture Partners and Trinity Ventures.

What stage is ZIRX at?

ZIRX's latest named round is a Venture, in Sept 2015.

Where is ZIRX based?

ZIRX is based in the United States.

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