United States · Series E startup

Who invested in RingCentral

6 rounds we have observed, with the 8 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

$50Mraised across 6 rounds since 2007, from 6 sources

$6.3MSeries A$12MSeries A$12MSeries B$10MSeries C$10MSeries D
Latest round
Series ENov 2012
Biggest round
$12MSeries B · Feb 2008
Investors
8
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.

200720082009201020112012
$6.3MSeries A$12MSeries A$12MSeries B$10MSeries C$10MSeries D?Series E
First round
Series A, $6.3M
Jan 2007
Biggest round
$12M
Series B · Feb 2008
Usual gap between rounds
10 months
the median of 5

The rounds

  1. Nov 2012
    Series EAmount undisclosed2 new

    Reported by rtp.vc

  2. Sept 2011
  3. Oct 2010
    Series C$10M1 new2 returning

    Reported by techcrunch.comSEC filing: $10.0M sold, first sale Oct 2010

  4. Feb 2008
    Series B$12M1 new2 returning

    Reported by techcrunch.com

  5. Sept 2007
    Series A$12M2 returning

    Reported by techcrunch.com

  6. Jan 2007
    Series A$6.3M2 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.

The exit

ExitListingPriceWhen
IPONYSE:RNG$98MSept 2013

From historical deal records. Wrong? Tell us.

Everyone who backed them

Sequoia CapitalVC firm5rounds
Khosla VenturesVC firm5rounds
DAG VenturesVC firm2rounds
CiscoCorporate VC2rounds
SVB CapitalVC firm1round
RTP GlobalVC firm1round
Hermes Growth PartnersGrowth equity1round

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

Also claim to have backed them

These 5 firms list RingCentral 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.

Akkadian VenturesVC firmPer its own site
CDC SoftwareCorporate VCPer its own site
Arka Venture LabsVC firmPer its own site
CybercoAngelPer its own site
Waterfield FinancialPrivate equityPer its own site

Quick answers about RingCentral

Who invested in RingCentral?

RingCentral's investors include Sequoia Capital, Khosla Ventures, DAG Ventures, Cisco and SVB Capital, and 3 more on record.

How much has RingCentral raised?

RingCentral has raised $50M across 6 rounds since 2007. One round did not disclose an amount, so the total is a floor.

When did RingCentral last raise?

RingCentral's most recent round was a Series E in Nov 2012.

What was RingCentral's biggest round?

RingCentral's largest round on record is $12M (Series B), in Feb 2008.

Who backed RingCentral first?

RingCentral's first round on record, in Jan 2007, was backed by Sequoia Capital and Khosla Ventures.

What stage is RingCentral at?

RingCentral's latest named round is a Series E, in Nov 2012.

Where is RingCentral based?

RingCentral is based in the United States.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.