China · Funded startup

Who invested in Qihoo 360 Technology

4 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

$575Mraised across 4 rounds since 2006, from 4 sources

$200KSeries A$25MSeries B$200KSeries C$550MDebt
Latest round
Debt, $550MAug 2013
Step-upi
2750×
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.

20062007200820092010201120122013
$200KSeries A$25MSeries B$200KSeries C$550MDebt
First round
Series A, $200K
Jan 2006
Biggest round
$550M
Debt · Aug 2013
Usual gap between rounds
3.2 years
the median of 3

The rounds

  1. Aug 2013
    Debt$550M

    No investor was named in the report.

    Reported by online.wsj.com

  2. Jan 2010
    Series C$200K1 new

    From a historical funding record

  3. Nov 2006
  4. Jan 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.

The exit

ExitListingPriceWhen
IPONYSE:QIHUundisclosedApr 2011

From historical deal records. Wrong? Tell us.

Everyone who backed them

Sequoia CapitalVC firm2rounds
Matrix PartnersVC firm2rounds
IDG VenturesVC firm2rounds
CDH InvestmentsPrivate equity2rounds
RedpointVC firm1round
GMO VenturePartnersCorporate VC1round
Trustbridge PartnersGrowth equity1round

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

Quick answers about Qihoo 360 Technology

Who invested in Qihoo 360 Technology?

Qihoo 360 Technology's investors include Sequoia Capital, Matrix Partners, IDG Ventures, CDH Investments and Redpoint, and 3 more on record.

How much has Qihoo 360 Technology raised?

Qihoo 360 Technology has raised $575M across 4 rounds since 2006.

When did Qihoo 360 Technology last raise?

Qihoo 360 Technology's most recent round was a Debt of $550M in Aug 2013.

What was Qihoo 360 Technology's biggest round?

Its most recent round, $550M in Aug 2013, is also its largest on record.

Who backed Qihoo 360 Technology first?

Qihoo 360 Technology's first round on record, in Jan 2006, was backed by Sequoia Capital, Matrix Partners and IDG Ventures and 2 others.

What stage is Qihoo 360 Technology at?

Qihoo 360 Technology's latest named round is a Debt, in Aug 2013.

Where is Qihoo 360 Technology based?

Qihoo 360 Technology is based in China.

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