United States · Series B startup

Who invested in Supersonic

4 rounds we have observed, with the 4 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

$23Mraised across 4 rounds since 2010, from 4 sources

$2.0MSeed$6.2MSeries A$15MSeries B
Latest round
Series B, $15MJun 2014
Step-upi
2.4×
Investors
4
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.

2011201220132014
$2.0MSeed$6.2MSeries A?Series A$15MSeries B
First round
Seed, $2.0M
May 2010
Biggest round
$15M
Series B · Jun 2014
Usual gap between rounds
15 months
the median of 3

The rounds

  1. Jun 2014
    Series B$15M1 new1 returning

    From a historical funding record

  2. Jul 2012
    Series AAmount undisclosed

    No investor was named in the report.

    From a historical funding record

  3. Jul 2011
    Series A$6.2M2 new

    Reported by paidcontent.org

  4. May 2010
    Seed$2.0M1 new

    Reported by venturebeat.com

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.

Seed2010Series A2011Series A2012Series B2014GreylockSaif PartnersMichael van Swaaij83North

The exit

ExitBuyerPriceWhen
AcquiredironSourceundisclosedSept 2015

From historical deal records. Wrong? Tell us.

Everyone who backed them

GreylockVC firm2rounds
Saif PartnersPrivate equity1round
Michael van SwaaijVC firm1round
83Northno record of our own yet1round

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

Quick answers about Supersonic

Who invested in Supersonic?

Supersonic's investors include Greylock, Saif Partners, Michael van Swaaij and 83North.

How much has Supersonic raised?

Supersonic has raised $23M across 4 rounds since 2010. One round did not disclose an amount, so the total is a floor.

When did Supersonic last raise?

Supersonic's most recent round was a Series B of $15M in Jun 2014.

What was Supersonic's biggest round?

Its most recent round, $15M in Jun 2014, is also its largest on record.

Who backed Supersonic first?

Supersonic's first round on record, in May 2010, was backed by Michael van Swaaij.

What stage is Supersonic at?

Supersonic's latest named round is a Series B, in Jun 2014.

Where is Supersonic based?

Supersonic is based in the United States.

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