China · Series C startup

Who invested in 51.com

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.

IT Services

Funding summaryUpdated 31 Oct 2026

$72Mraised across 3 rounds since 2006, from 3 sources

$6.0MSeries A$15MSeries B$51MSeries C
Latest round
Series C, $51MJul 2008
Step-upi
3.4×
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.

20072008
$6.0MSeries A$15MSeries B$51MSeries C
First round
Series A, $6.0M
May 2006
Biggest round
$51M
Series C · Jul 2008
Usual gap between rounds
14 months
the median of 2

The rounds

  1. Jul 2008
  2. Jul 2007
    Series B$15M3 new1 returning

    Reported by mashable.com

  3. May 2006

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

Sequoia CapitalVC firm3rounds
Intel CapitalCorporate VC2rounds
RedpointVC firm2rounds
SIGInvestment firm1round

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

Quick answers about 51.com

Who invested in 51.com?

51.com's investors include Sequoia Capital, Intel Capital, Redpoint, Susquehanna International Group (SIG) and SIG China (SIG Asia Investments), and 2 more on record.

How much has 51.com raised?

51.com has raised $72M across 3 rounds since 2006.

When did 51.com last raise?

51.com's most recent round was a Series C of $51M in Jul 2008.

What was 51.com's biggest round?

Its most recent round, $51M in Jul 2008, is also its largest on record.

Who backed 51.com first?

51.com's first round on record, in May 2006, was backed by Sequoia Capital, Susquehanna International Group (SIG) and SIG China (SIG Asia Investments).

What stage is 51.com at?

51.com's latest named round is a Series C, in Jul 2008.

Where is 51.com based?

51.com is based in China.

Companies like 51.com

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