United States · Funded startup

Who invested in 500Friends

6 rounds we have observed, with the 23 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.

Martech

Y Combinator: W10

Funding summaryUpdated 26 Oct 2026

$13Mraised across 6 rounds since 2009, from 6 sources

$1.4MSeed$4.5MSeries A$5.0MSeries B$2.0MDebt
Latest round
Series B, $5.0MMar 2013
Investors
23
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.

2010201120122013
$1.4MSeed?Seed?Round$4.5MSeries A$5.0MSeries B$2.0MDebt
First round
Seed, $1.4M
Dec 2009
Biggest round
$5.0M
Series B · Mar 2013
Usual gap between rounds
12 months
the median of 4

The rounds

  1. Mar 2013
    Series B$5.0M3 returning

    Reported by techcrunch.comSEC filing: $5.0M sold, first sale Feb 2013

  2. Mar 2013
    Debt$2.0M

    No investor was named in the report.

    Reported by techcrunch.comSEC filing: $5.0M sold, first sale Feb 2013

  3. Mar 2012
    Series A$4.5M1 new3 returning

    Reported by techcrunch.comSEC filing: $6.0M sold, first sale Mar 2012

  4. Apr 2011
    RoundAmount undisclosed2 new1 returning

    From a historical funding record

  5. Mar 2010
    SeedAmount undisclosed5 new1 returning

    From a historical funding record

  6. Dec 2009

Founders and team

From the SEC filings it signed: 2 on the team.

  • Justin YoshimuraExecutive Officer, Directori
  • Matt GilbertExecutive Officer, Directori

On the board, as filediCarey LaiEric ChinMichael Hsieh

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

ExitBuyerPriceWhen
AcquiredMerkleundisclosedNov 2014

From historical deal records. Wrong? Tell us.

Everyone who backed them

Intel CapitalCorporate VC3rounds
Crosslink CapitalVC firm3rounds
Y CombinatorAccelerator2rounds
Jeff FluhrAngel2rounds
Fung Capital USAGrowth equity2rounds
Justin YoshimuraAngel2rounds
Bling CapitalVC firm1round
Naval RavikantVC firm1round
Wasabi VenturesVC firm1round
Trajectory CapitalFamily office1round
Richard ChenAngel1round
Chris YehVC firm1round
Eric ChenAngel1round
Babak NiviVC firm1round
Alex LeAngel1round
David LiAngel1round
Implistic CapitalVC firm1round
Steve NewcombAngel1round
Anurag (Anu) Nigamno record of our own yet1round
Dan Martinno record of our own yet1round
Matt Gilbertno record of our own yet1round

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

Quick answers about 500Friends

Who invested in 500Friends?

500Friends's investors include Intel Capital, Crosslink Capital, Y Combinator, Jeff Fluhr and Fung Capital USA, and 18 more on record.

How much has 500Friends raised?

500Friends has raised $13M across 6 rounds since 2009. 2 rounds did not disclose an amount, so the total is a floor.

When did 500Friends last raise?

500Friends's most recent round was a Debt of $2.0M in Mar 2013.

What was 500Friends's biggest round?

500Friends's largest round on record is $5.0M (Series B), in Mar 2013.

Who backed 500Friends first?

500Friends's first round on record, in Dec 2009, was backed by Y Combinator, Naval Ravikant and Quest Venture Partners and 12 others.

What stage is 500Friends at?

500Friends's latest named round is a Debt, in Mar 2013.

Where is 500Friends based?

500Friends is based in the United States.

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