Stealth BioTherapeutics

Committed to Innovation in Mitochondrial Therapies

Founded 2007

Needham, United States 72 employees Post-IPO Equity Total: $191.40M Biopharma, Biotechnology +2

General Information

Company Name Stealth BioTherapeutics

Founded Year 2007

Location

Needham, United States

Founders / Decision Makers

Employees 72

Industries Biopharma, Biotechnology, Health and Wellness +1

Funding Stage Post-IPO Equity

Business Model B2B, B2C

Revenue Model Product Sales, Licensing, Service Fee

Social

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About Stealth BioTherapeutics

Stealth BioTherapeutics, founded in 2007 and headquartered in the United States, is a pioneering entity within the biopharma, biotechnology, health and wellness, and pharmaceutical industries. The company's slogan, "Committed to Innovation in Mitochondrial Therapies", reflects its core mission of addressing mitochondrial dysfunction in both rare genetic and common aging-related diseases.

Through collaboration with top-tier academic, medical, and scientific leaders, Stealth BioTherapeutics is at the forefront of developing targeted therapies. Their pursuit of innovation in this niche has led to an advanced platform of late-stage clinical and novel pipeline programs, primarily focusing on mitochondrial dysfunction.

The company last secured an $8.50M Post-IPO Equity investment on April 11, 2022, indicating continued investor confidence. Their strategic partnerships and investment in extensive research position them as a key player in their sector.

Business keywords: biopharmaceutical, mitochondrial therapies, genetic mitochondrial diseases, aging-related diseases, clinical research, collaboration with academic institutions, late-stage clinical programs, patient advocacy, targeted therapies, scientific thought leaders

Services & Products

Development of therapies for mitochondrial dysfunction

Research and development of biopharmaceutical solutions

Collaboration with patient and advocacy organizations

Raising awareness about mitochondrial diseases

Target Customers

Patients with mitochondrial dysfunction Healthcare providers Patient advocacy groups Older adults with dry AMD

Funding Rounds & Investors (7)

View All

Funding Stage	Amount	Investors	Lead Investors	Date
Post IPO Equity	$8.50M	-		11 Apr 2022
Post IPO Debt	$25.00M	1	Horizon Technology Finance	04 Oct 2021
Post IPO Equity	$30.00M	1	Morningside Venture Investments	17 May 2021
Post IPO Equity	$4.70M	-		10 Feb 2021
Post IPO Equity	$3.20M	-		20 Nov 2020
Post IPO Equity	$20.00M	1	Morningside Venture Investments	13 Apr 2020
Convertible Note	$100.00M	7	Pivotal bioVenture Partners, Sagamore Investments +5	18 Jun 2018

Stealth BioTherapeutics Alternatives & Competitors

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Stealth BioTherapeutics vs

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Stealth BioTherapeutics vs

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Stealth BioTherapeutics vs

Mitochon Pharmaceuticals, Inc. United States

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Venture round

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FAQ About Stealth BioTherapeutics

Committed to Innovation in Mitochondrial Therapies

Stealth BioTherapeutics was founded in 2007.

Stealth BioTherapeutics is headquartered in Needham, United States.

Stealth BioTherapeutics operates in Biopharma, Biotechnology, Health and Wellness and Pharmaceutical. Its work centres on biopharmaceutical, mitochondrial therapies, genetic mitochondrial diseases and aging-related diseases. Its customers include Patients with mitochondrial dysfunction, Healthcare providers and Patient advocacy groups.

Stealth BioTherapeutics has a B2B and B2C business model. Its revenue comes from Product Sales, Licensing and Service Fee.

Stealth BioTherapeutics has approximately 72 employees.

Stealth BioTherapeutics has completed 7 funding rounds, raising a total of $191.40M. The latest funding stage is Post-IPO Equity.

Stealth BioTherapeutics offers: Development of therapies for mitochondrial dysfunction, Research and development of biopharmaceutical solutions, Collaboration with patient and advocacy organizations, Raising awareness about mitochondrial diseases.

Top alternatives and competitors to Stealth BioTherapeutics include Ultragenyx, BioAge Labs, Mitochon Pharmaceuticals, Inc., Sling Therapeutics, bluebird bio. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.

Stealth BioTherapeutics and Ultragenyx are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Stealth BioTherapeutics, https://bouncewatch.com/company/stealth-biotherapeutics, updated 16 February 2026. When citing, please name BounceWatch and link this page.