United States · Who invested in Atritech?
Atritech's investors include Split Rock Partners, Affinity Capital Management, Prism VentureWorks, Tullis-Dickerson and SightLine Partners, and 1 more on record.
20082009
$22MSeries D$30MVentureUnited States · Venture startup
Who invested in Atritech
2 rounds we have observed, with the 6 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
$52Mraised across 2 rounds since 2007, from 2 sources
$22MSeries D$30MVenture
- Latest round
- Venture, $30MMar 2009
- Step-upi
- 1.4×
- Investors
- 6
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 D, $22M Sept 2007
- Biggest round
- $30M Venture · Mar 2009
- Between rounds
- 19 months from the last two
The rounds
- Mar 2009Venture$30M
No investor was named in the report.
From a historical funding recordSEC filing: $30M sold, first sale Mar 2009
- Sept 2007Series D$22M6 new
Split Rock Partners
Affinity Capital Management- Prism VentureWorks
- Tullis-Dickerson
SightLine Partners
Thoma Bravo
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
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Prism VentureWorksGrowth equity1round
Tullis-DickersonInvestment firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Atritech
How much has Atritech raised?
Atritech has raised $52M across 2 rounds since 2007.
When did Atritech last raise?
Atritech's most recent round was a Venture of $30M in Mar 2009.
What was Atritech's biggest round?
Its most recent round, $30M in Mar 2009, is also its largest on record.
Who backed Atritech first?
Atritech's first round on record, in Sept 2007, was backed by Split Rock Partners, Affinity Capital Management and Prism VentureWorks and 3 others.
What stage is Atritech at?
Atritech's latest named round is a Venture, in Mar 2009.
Where is Atritech based?
Atritech is based in the United States.
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