United States · Who invested in CardioOptics?
CardioOptics's investors include Sequel Venture Partners, Primus Capital Partners, Cardinal Partners, Novo Holdings A/S and WSI Investments.
200320042005
$1.5MSeries A$21MSeries BUnited States · Series B startup
Who invested in CardioOptics
2 rounds we have observed, with the 5 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
$22Mraised across 2 rounds since 2002, from 2 sources
$1.5MSeries A$21MSeries B
- Latest round
- Series B, $21MDec 2005
- Step-upi
- 13.7×
- Investors
- 5
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, $1.5M Oct 2002
- Biggest round
- $21M Series B · Dec 2005
- Between rounds
- 3.2 years from the last two
The rounds
- Dec 2005Series B$21M2 new3 returning
From a historical funding record
- Oct 2002Series A$1.5M3 new
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 A2002Series B2005Sequel Venture Partners
Primus Capital Partners
Cardinal PartnersNovo Holdings A/SWSI Investments
Primus Capital PartnersCardinal PartnersNovo Holdings A/SWSI InvestmentsEveryone who backed them
Sequel Venture PartnersVC firm2rounds
Novo Holdings A/SGrowth equity1round
WSI Investmentsno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about CardioOptics
How much has CardioOptics raised?
CardioOptics has raised $22M across 2 rounds since 2002.
When did CardioOptics last raise?
CardioOptics's most recent round was a Series B of $21M in Dec 2005.
What was CardioOptics's biggest round?
Its most recent round, $21M in Dec 2005, is also its largest on record.
Who backed CardioOptics first?
CardioOptics's first round on record, in Oct 2002, was backed by Sequel Venture Partners, Primus Capital Partners and Cardinal Partners.
What stage is CardioOptics at?
CardioOptics's latest named round is a Series B, in Dec 2005.
Where is CardioOptics based?
CardioOptics is based in the United States.
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