United States · Who invested in XTENT?
XTENT's investors include Morgenthaler Ventures, Advanced Technology Ventures, Split Rock Partners and Latterell Venture Partners.
20042005
$15MSeries B$25MSeries CUnited States · Series C startup
Who invested in XTENT
2 rounds we have observed, with the 4 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
$40Mraised across 2 rounds since 2003, from 2 sources
$15MSeries B$25MSeries C
- Latest round
- Series C, $25MMar 2005
- Step-upi
- 1.6×
- Investors
- 4
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 B, $15M Jun 2003
- Biggest round
- $25M Series C · Mar 2005
- Between rounds
- 21 months from the last two
The rounds
- Mar 2005Series C$25M4 new
From a historical funding record
- Jun 2003Series B$15M
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.
Series B2003Series C2005
Morgenthaler Ventures
Advanced Technology Ventures
Split Rock Partners
Latterell Venture Partners
Morgenthaler VenturesAdvanced Technology VenturesSplit Rock PartnersEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about XTENT
How much has XTENT raised?
XTENT has raised $40M across 2 rounds since 2003.
When did XTENT last raise?
XTENT's most recent round was a Series C of $25M in Mar 2005.
What was XTENT's biggest round?
Its most recent round, $25M in Mar 2005, is also its largest on record.
Who backed XTENT first?
XTENT's first round on record, in Mar 2005, was backed by Morgenthaler Ventures, Advanced Technology Ventures and Split Rock Partners and 1 others.
What stage is XTENT at?
XTENT's latest named round is a Series C, in Mar 2005.
Where is XTENT based?
XTENT is based in the United States.
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