United States · Funded startup

Who invested in Signal

6 rounds we have observed, with the 11 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.

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Funding summaryUpdated 26 Oct 2026

$130Mraised across 6 rounds since 2010, from 6 sources

$3.0MSeries A$5.0MVenture$15MSeries C$27MDebt$30MSeries E$50MRound
Latest round
Round, $50MFeb 2018
Step-upi
1.7×
Investors
11
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.

2012201420162018
$3.0MSeries A$5.0MVenture$15MSeries C$27MDebt$30MSeries E$50MRound
First round
Series A, $3.0M
Aug 2010
Biggest round
$50M
Round · Feb 2018
Usual gap between rounds
19 months
the median of 5
SignalConsumer internet1 / 22Their pitch deckSignal's pitch deck, 22 slidesEach slide read for what it argues, against the decks that raised at the same stage.

The rounds

  1. Feb 2018
    Round$50M1 new
    • Brian Action

    Reported by TechCrunch

  2. Jun 2016
    Series E$30M1 new

    Reported by Streetinsider

  3. Nov 2013
  4. Apr 2012
  5. Aug 2011
    Venture$5.0M1 new3 returning

    Reported by finsmes.com

  6. Aug 2010

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

Pritzker GroupPrivate equity4rounds
Tomorrow VenturesVC firm4rounds
Epic VCVC firm4rounds
I2A FundVC firm3rounds
Baird CapitalWealth manager1round
JumpStart VenturesVC firm1round
Yahoo! JapanCorporate VC1round
Baird CapitalVC firm1round
Jason KnappAngel1round
I2AVC firm1round
Brian Actionno record of our own yet1round

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

Quick answers about Signal

Who invested in Signal?

Signal's investors include Pritzker Group, Tomorrow Ventures, Epic VC, I2A Fund and Baird Capital, and 6 more on record.

How much has Signal raised?

Signal has raised $130M across 6 rounds since 2010.

When did Signal last raise?

Signal's most recent round was an Undisclosed round of $50M in Feb 2018.

What was Signal's biggest round?

Its most recent round, $50M in Feb 2018, is also its largest on record.

Who backed Signal first?

Signal's first round on record, in Aug 2010, was backed by Pritzker Group, Tomorrow Ventures and Epic VC and 1 others.

What stage is Signal at?

Signal's latest named round is an Undisclosed round, in Feb 2018.

Where is Signal based?

Signal is based in the United States.

Companies like Signal

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

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