Mirum Pharmaceuticals
NASDAQ: MIRMSan Diego, US · Incorporated in Delaware · 11 known investors
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Mirum Pharmaceuticals is a biopharmaceutical company that develops and delivers therapies for people living with rare diseases. It operates in the U.S. and Europe, engaging with healthcare professionals, patients, and payers within applicable regulatory frameworks.
Founders & leadership



Board





Investors · 11
How we know: Chiesi Ventures's portfolio page · Not right? Tell us
How we know: Frazier Life Sciences's portfolio page · the S-1 prospectus · board seat on SEC Form D · Not right? Tell us
How we know: Longitude Capital's portfolio page · Not right? Tell us
How we know: MESA VERDE VENTURE PARTNERS's portfolio page · Not right? Tell us
How we know: the S-1 prospectus · board seat on SEC Form D · Not right? Tell us
How we know: RiverVest Venture Partners's portfolio page · the S-1 prospectus · a partner's Signal profile · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
How we know: board seat on SEC Form D · Not right? Tell us
How we know: the S-1 prospectus · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$138.5M disclosed across 3 rounds · 2018–2026
▶$68.5MraisedJan 2026 · 2 investors · BiotechnologyRule 506(c)
- Michael GreyDirector
- Timothy WalbertDirector
- Saira RamasastryDirector
- Lon CardonDirector
- Laurent FischerDirector
- Eric BjerkholtExecutive Officer
- William C. FaireyDirector
- Christopher PeetzExecutive Officer, Director
- Peter RadovichExecutive Officer
- Laura BregeDirector
- Patrick HeronDirector
- Offering amount
- $68.5M
- Amount sold
- $68.5M
- First sale
- Jan 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06c
▶$10MraisedDec 2020 · 3 investors · PharmaceuticalsRule 506(b)
- Patrick J. HeronDirector
- Pamela VigExecutive Officer
- Edwin Jonathan TuckerExecutive Officer
- Peter RadovichExecutive Officer
- Lara LongpreExecutive Officer
- Ian ClementsExecutive Officer
- Niall O'DonnellDirector
- Laurent FischerDirector
- Laura BregeDirector
- Christopher PeetzExecutive Officer, Director
- Tiba AynechiDirector
- Edward T. MathersDirector
- Michael G. GreyDirector
- Offering amount
- $10M
- Amount sold
- $10M
- First sale
- Dec 2020
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
▶$60.1MraisedNov 2018 · 14 investors · PharmaceuticalsRule 506(b)
- Chris PeetzDirector
- Patrick HeronDirector
- Susan DubeExecutive Officer
- Tiba AynechiDirector
- Ed MathersDirector
- Jonathan LeffDirector
- Michael GreyExecutive Officer, Director
- Offering amount
- $120.1M
- Amount sold
- $60.1M
- First sale
- Nov 2018
- Incorporated
- Corporation, Delaware, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Valuation · disclosed
Disclosed eventsSource: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.
Founder mafia
2 people who came through Mirum Pharmaceuticals went on to found or lead other companies.
Related companies · 1
Companies working in the same space as Mirum Pharmaceuticals.
Acquisitions · 1
Early investors' stakes continue via these dealsBluejay is a biotechnology company focused on therapeutic development. The page centers on its founder's background in drug discovery and life science venture investing but gives limited detail on the company's specific products.
Frequently asked questions
- What does Mirum Pharmaceuticals do?
- Mirum Pharmaceuticals is a biopharmaceutical company that develops and delivers therapies for people living with rare diseases. It operates in the U.S. and Europe, engaging with healthcare professionals, patients, and payers within applicable regulatory frameworks.
- Who founded Mirum Pharmaceuticals?
- Mirum Pharmaceuticals was founded by Chris Peetz.
- Who are Mirum Pharmaceuticals's investors?
- Mirum Pharmaceuticals's investors include Chiesi Ventures, Frazier Life Sciences, Longitude Capital, MESA VERDE VENTURE PARTNERS, New Enterprise Associates (NEA), Pappas Capital, RiverVest Venture Partners, Deerfield Management Company and 3 more.
- How much funding has Mirum Pharmaceuticals raised?
- Mirum Pharmaceuticals has disclosed $138.5M raised across 3 rounds.
- Where is Mirum Pharmaceuticals headquartered?
- Mirum Pharmaceuticals is headquartered in San Diego, US.





