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Czech medtech Kardi Ai raises €5.3M in a Series A round led by Callisto Health to advance its predictive heart monitoring technology.

PRIVATENov 11, 2026

Amount Raised

€5.3 Million

Round Type

Series A

OlomoucBiotechnologyHealth Care

Investors

Garage AngelsDEPO VenturesPurple VenturesBrightCap VenturesSlovenská sporiteľňaČeská SpořitelnaCallisto Health

Description

Kardi Ai has raised €5.3 million in a Series A funding round to enhance its technology platform for long-term heart rhythm monitoring. The round was led by Callisto Health, with participation from several other investors. Kardi Ai's monitor helps physicians detect heart rhythm disorders using a combination of a fitness chest strap with an ECG sensor and AI analysis. The company plans to expand operations into new markets, including Germany and India, following regulatory approvals.

Quick answer

Kardi Ai raised €5.3 Million in a Series A round, dated November 11, 2026. Investors: Garage Angels, DEPO Ventures, Purple Ventures, BrightCap Ventures, Slovenská sporiteľňa, Česká Spořitelna and Callisto Health. Kardi Ai is based in Olomouc, Olomouc Region, Czechia.

How much did Kardi Ai raise?
Kardi Ai raised €5.3 Million in a Series A round on November 11, 2026.
Who invested in Kardi Ai?
Garage Angels, DEPO Ventures, Purple Ventures, BrightCap Ventures, Slovenská sporiteľňa, Česká Spořitelna and Callisto Health are named as investors in this round.
What does Kardi Ai do?
Kardi AI is a Czech startup that utilizes artificial intelligence and a smart chest strap to detect heart arrhythmias.
Where is Kardi Ai based and how big is it?
Kardi Ai is based in Olomouc, Olomouc Region, Czechia. Fundz records about 17 employees.
Who are the decision-makers at Kardi Ai?
Fundz holds 1 contact at Kardi Ai. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Biotechnology and Health Care around the same time

Companies in the same sectors as Kardi Ai that raised within 45 days of this round, from Fundz verified event records.

  • Efferon raised $4.8M (Seed) on November 10, 2026.
  • Nanopath raised $25M (Series B) on November 10, 2026.
  • Oyster Therapeutics raised $60M (Series A) on November 10, 2026.
  • Neobe raised $6.8M on November 10, 2026.
  • MyoWorks raised an undisclosed amount on November 10, 2026.
  • EnVision Endoscopy raised $12M (Series A) on November 10, 2026.

Who to call at Kardi Ai, and when

A new round usually means Kardi Ai is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Kardi Ai

Location

Olomouc, Olomouc Region, Czechia

About

Kardi AI is a Czech startup that utilizes artificial intelligence and a smart chest strap to detect heart arrhythmias. Founded in 2022, the company focuses on addressing the limitations of traditional heart monitoring methods. Its innovative AI-enhanced medical device combines real ECG measurements with advanced processing models. The company aims to expand its technology into key international markets.

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Funding Insights

What this usually means
Typical timeline to Series B
Series A companies typically raise their next round in 10-18 months

Kardi Ai raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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