United States · Who invested in Plaxo?
Plaxo's investors include Sequoia Capital, Globespan Capital Partners, SV Angel, DAG Ventures and Cisco, and 3 more on record.
20032004200520062007
$3.8MSeries A$8.5MSeries B$7.0MSeries C$9.0MSeries DUnited States · Series D startup
Who invested in Plaxo
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
$28Mraised across 4 rounds since 2002, from 4 sources
$3.8MSeries A$8.5MSeries B$7.0MSeries C$9.0MSeries D
- Latest round
- Series D, $9.0MFeb 2007
- Step-upi
- 1.3×
- Investors
- 8
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $3.8M Nov 2002
- Biggest round
- $9.0M Series D · Feb 2007
- Usual gap between rounds
- 9 months the median of 3
The rounds
- Feb 2007
- Apr 2004Series C$7.0M2 new2 returning
Reported by sanjose.bizjournals.com
- Jul 2003Series B$8.5M2 new1 returning
Reported by plaxo.com
- Nov 2002
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.
Series A2002Series B2003Series C2004Series D2007
Sequoia Capital
Globespan Capital Partners
SV Angel
DAG VenturesCiscoHarbinger VenturesYahooMike Lewis
Sequoia CapitalGlobespan Capital PartnersSV AngelDAG VenturesCiscoHarbinger VenturesYahooMike LewisThe exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Plaxo
How much has Plaxo raised?
Plaxo has raised $28M across 4 rounds since 2002.
When did Plaxo last raise?
Plaxo's most recent round was a Series D of $9.0M in Feb 2007.
What was Plaxo's biggest round?
Its most recent round, $9.0M in Feb 2007, is also its largest on record.
Who backed Plaxo first?
Plaxo's first round on record, in Nov 2002, was backed by Sequoia Capital, SV Angel and Mike Lewis.
What stage is Plaxo at?
Plaxo's latest named round is a Series D, in Feb 2007.
Where is Plaxo based?
Plaxo is based in the United States.
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