China · Funded startup

Who invested in Sina

5 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

$272Mraised across 5 rounds since 1995, from 5 sources

$5.0MSeries A$6.5MSeries B$20MSeries C$60MSeries C$180MRound
Latest round
Round, $180MNov 2009
Step-upi
3×
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.

19951997199920012003200520072009
$5.0MSeries A$6.5MSeries B$20MSeries C$60MSeries C$180MRound
First round
Series A, $5.0M
Jun 1995
Biggest round
$180M
Round · Nov 2009
Usual gap between rounds
2.3 years
the median of 4

The rounds

  1. Nov 2009
  2. Nov 1999
  3. Oct 1999
    Series C$20M1 returning

    From a historical funding record

  4. Oct 1997
    Series B$6.5M1 new

    From a historical funding record

  5. Jun 1995
    Series A$5.0M

    No investor was named in the report.

    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
IPONASDAQ:SINAundisclosedApr 2000

From historical deal records. Wrong? Tell us.

Everyone who backed them

Funding Global InnovationGrowth equity2rounds
Sequoia CapitalVC firm1round
SoftBank BB CorpCompany1round
DellGrowth equity1round
SumitomoVC firm1round
CITIC Capital HoldingsPrivate equity1round
FountainVest PartnersPrivate equity1round
PCCWCorporate VC1round
Trend MicroCompany1round

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

Also claim to have backed them

This firm lists Sina as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Global Alliance of SMEsGovernmentPer its own site

Quick answers about Sina

Who invested in Sina?

Sina's investors include Funding Global Innovation, Sequoia Capital, SoftBank BB Corp, Dell and Sumitomo, and 6 more on record.

How much has Sina raised?

Sina has raised $272M across 5 rounds since 1995.

When did Sina last raise?

Sina's most recent round was an Undisclosed round of $180M in Nov 2009.

What was Sina's biggest round?

Its most recent round, $180M in Nov 2009, is also its largest on record.

Who backed Sina first?

Sina's first round on record, in Oct 1997, was backed by Funding Global Innovation.

What stage is Sina at?

Sina's latest named round is an Undisclosed round, in Nov 2009.

Where is Sina based?

Sina is based in China.

Companies like Sina

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

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