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Cardiac Dimensions

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Medical device company developing novel interventional tools for the treatment of heart failure and the related condition of mitral valve regurgitation

Kirkland, United StatesFounded 2001Biotech & Life Sciences
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Cardiac Dimensions and the history behind them.

About Cardiac Dimensions

Cardiac Dimensions is a medical device company that has developed a minimally invasive treatment for heart failure and related cardiovascular conditions. The company's flagship product is the Carillon Mitral Contour System, a device designed to treat functional mitral regurgitation (FMR), a condition in which the mitral valve fails to close properly, causing blood to leak backward into the left atrium.

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The Carillon system is a right-sided, non-surgical therapy that offers a simple and safe approach to treating FMR. The device is implanted in the coronary sinus, a large vein that wraps around the heart, and reshapes the mitral annulus, the ring of tissue that supports the mitral valve. This reshaping helps to improve the valve's function and reduce the amount of blood that leaks backward.

The company's business model is focused on the development and commercialization of the Carillon system. Cardiac Dimensions generates revenue through the sale of the device to hospitals and other healthcare providers. The company's target market includes patients with FMR who are not candidates for open-heart surgery or other more invasive treatments.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2001
Headquarters
Kirkland, United States
Employees
72
Open positions
1
Dealroom signal
83.5/100
Industry
Health
Sub-industry
BioTechnology, Medical Devices
Sector
Biotech & Life Sciences, Intellectual Property, Biotechnology, Cardiology and cardiovascular, Biotech and Pharma, Hard Tech, DT and LS, science-based
Business model
Manufacturing
Client focus
b2b

Funding history

10 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES EOther financing Mar 2025 $53M $212M Horizon 3 Healthcare · Ally Bridge Group · Hostplus · M. H. Carnegie & ↗
SERIES DOther financing Jan 2023 $35M $140M Hostplus · M. H. Carnegie & · EQT Group · Arboretum Ventures ↗
Showing the latest 2 of 10 recorded eventsBook a demo for the full funding history →

Growth signals

Cardiac Dimensions website traffic

Latest recorded traffic for Cardiac Dimensions is 1.1K monthly website visits, down 50% over the last three months. Cardiac Dimensions's team grew 2.9% over the past year.

Latest monthly visits1.1K 3-month web change-50% 1-year team growth+2.9%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

20 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

  • REDBUS GROUP LIMITED
  • Lumira Ventures

Series A5 investors entered at this stage

Series B and later13 investors entered at this stage

  • Frazier Healthcare Partners
  • The Seattle Times
  • Johnson & Johnson Development Corporation
  • EQT Life Sciences
  • Aperture Venture Partners
  • Arboretum Ventures
  • Difference Capital
  • M. H. Carnegie &
  • EQT Group
  • Horizon 3
  • Ally Bridge Group
  • Horizon 3 Healthcare
  • Claret Capital Partners
Team profiled 20 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
5 countries with
team presence
🇺🇸 United States57.9%
🇩🇪 Germany35.1%
🇳🇱 Netherlands3.5%
🇨🇭 Switzerland1.8%
🇪🇸 Spain1.8%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Cardiac Dimensions on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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