Heartseed

Shinjuku, Japan Founded: 2015 • Age: 11 yrs
Developer of myocardial regenerative medicine for treating heart diseases

About Heartseed

Heartseed is a company based in Shinjuku (Japan) founded in 2015 by Keiichi Fukuda.. Heartseed has raised $76.73 million across 4 funding rounds from investors including SBI Group, Sumitomo Mitsui Trust Holdings and JMDC. The company has 39 employees as of October 31, 2024. Heartseed operates in a competitive market with competitors including AskBio, Humacyte, Inotrem, Juvenescence and Mission Therapeutics, among others.

  • Headquarter Shinjuku, Japan
  • Employees 39 as on 31 Oct, 2024
  • Founders Keiichi Fukuda
  • Stage Public
  • Sectors
    Healthcare
  • Email
    ***********
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Heartseed, Inc.
Operational Areas
Healthcare → Pharmaceuticals & Therapeutics
Healthcare → Healthcare Products & Supplies
Key Metrics
  • Annual Revenue
    $19.65 M (USD)
    246.44
    as on Oct 31, 2025
  • Net Profit
    $3.84 M (USD)
    0
    as on Oct 31, 2025
  • EBITDA
    $5 M (USD)
    0
    as on Oct 31, 2025
  • Total Equity Funding
    $76.73 M (USD)

    in 4 rounds

  • Latest Funding Round
    $14.41 M (USD), Series D

    May 25, 2023

  • Investors
    SBI Group

    & 19 more

  • Employee Count
    39

    as on Oct 31, 2024

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IPO & Listings of Heartseed

Heartseed is a publicly listed company on the TSE with ticker symbol 219A in Japan, operating in the Health technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.

Exchange: TSE · Ticker: 219A . Sector: Health technology · Japan

Funding Insights of Heartseed

Heartseed has successfully raised a total of $76.73M across 4 strategic funding rounds. The most recent funding activity was a Series D round of $14.41 million completed in May 2023. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 4
  • Last Round Series D — $14.4M
  • First Round

    (22 Nov 2019)

  • Investors Count 20
Date Amount Transaction Name Valuation Lead Investors Investors
May, 2023 Amount Series D - Heartseed Valuation Japan Co-Invest , Arcus Invest
Jun, 2021 Amount Series C - Heartseed Valuation UTokyo Innovation Platform , Medical Incubator Japan
Mar, 2020 Amount Series B - Heartseed Valuation MEDIPAL
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Heartseed

Heartseed has secured backing from 20 investors, including venture fund, institutional, and angel investors. Prominent investors backing the company include SBI Group, Sumitomo Mitsui Trust Holdings and JMDC. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Angel
Investor Description Founded Year Domain Location
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Founded Year Domain Location
-
Founded Year Domain Location
-
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Heartseed

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016

Financial Statements - Heartseed

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Heartseed Comparisons

Employees
+
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Competitors of Heartseed

Heartseed operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as AskBio, Humacyte, Inotrem, Juvenescence and Mission Therapeutics, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Gene and protein therapies are developed for treating various diseases.
domain founded_year HQ Location
Human tissue-based products are developed for vascular disease applications.
domain founded_year HQ Location
Developer of peptide immunotherapies for treating septic shock and acute myocardial infarction
domain founded_year HQ Location
Provider of proprietary ketone ester-based therapeutic drink for age-related disorders and metabolic health
domain founded_year HQ Location
Small molecule drugs that target deubiquitylating enzymes involved in the DNA damage response
domain founded_year HQ Location
Developer of drugs for heart failure treatment
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Latest news on Heartseed

Frequently Asked Questions about Heartseed

When was Heartseed founded?

Heartseed was founded in 2015 and raised its 1st funding round 4 years after it was founded.

Where is Heartseed located?

Heartseed is headquartered in Shinjuku, Japan. It is registered at Shinjuku, Tokyo, Japan.

Who is the current CEO of Heartseed?

Keiichi Fukuda is the current CEO of Heartseed. They have also founded this company.

Is Heartseed a funded company?

Heartseed is a funded company, having raised a total of $76.73M across 4 funding rounds to date.

How many employees does Heartseed have?

As of Oct 31, 2024, the latest employee count at Heartseed is 39.

What is the annual revenue of Heartseed?

Annual revenue of Heartseed is $19.65M as on Oct 31, 2025.

What does Heartseed do?

Heartseed was founded in 2015 in Shinjuku City, Japan, within the biotechnology sector focused on regenerative medicine. Operations center on creating therapies from human induced pluripotent stem cells to address heart conditions. The lead product, HS-001, consists of allogeneic iPS cell-derived regenerated myocardium aimed at treating heart failure. Development efforts emphasize clinical applications for myocardial regeneration.

Who are the top competitors of Heartseed?

Heartseed's top competitors include Humacyte, Juvenescence and AskBio.

Is Heartseed publicly traded?

Yes, Heartseed is publicly traded on TSE under the ticker symbol 219A.

Who are Heartseed's investors?

Heartseed has 20 investors. Key investors include SBI Group, Sumitomo Mitsui Trust Holdings, JMDC, Medipal, and Keio Innovation Initiative.

What is Heartseed's ticker symbol?

The ticker symbol of Heartseed is 219A on TSE.

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