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Mirum Pharmaceuticals

Brand · Pharmaceutical Manufacturing

3.5

Company overview

Mirum Pharmaceuticals, Inc. is a biopharmaceutical company dedicated to transforming the treatment of rare diseases affecting children and adults. Mirum has three approved medications: LIVMARLI® (maralixibat), CHOLBAM® (cholic acid) capsules, and CTEXLITM (chenodiol) tablets.LIVMARLI, an IBAT inhibitor, is approved for the treatment of two rare liver diseases affecting children and adults. It is approved for the treatment of cholestatic pruritus in patients with Alagille syndrome in the U.S. (three months and older), in Europe (two months and older), and in other regions globally. It is also approved in the U.S. in cholestatic pruritus in PFIC patients 12 months of age and older; in Europe, it is approved for patients with PFIC three months of age and older. Mirum is also initiating the Phase 3 EXPAND study, a label expansion opportunity for LIVMARLI in additional settings of cholestatic pruritus. CHOLBAM is FDA-approved for the treatment of bile acid synthesis disorders due to single enzyme deficiencies and adjunctive treatment of peroxisomal disorders in patients who show signs or symptoms of liver disease. CTEXLI is FDA-approved for the treatment of cerebrotendinous xanthomatosis (CTX) in adults.Mirum's late-stage pipeline includes two investigational treatments for several rare diseases. Volixibat, an IBAT inhibitor, is being evaluated in two potentially registrational studies including the Phase 2 VISTAS study for primary sclerosing cholangitis (PSC) and Phase 2b VANTAGE study for primary biliary cholangitis (PBC). Volixibat has been granted Breakthrough Therapy Designation for the treatment of cholestatic pruritus in patients with PBC. Mirum is also planning for a Phase 2 study evaluating MRM-3379, a PDE4D inhibitor for the treatment of Fragile X syndrome, a rare genetic neurocognitive disorder.
Founded in 2018
San Mateo, California, USA
456 employees (21 in marketing)
65% recommend to a friend
38% positive business outlook

Salaries

Typical salary range

$230,000 – $247,500

/ yr

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People

Headcount trend

Company growth over the last 12 months

Headcount +19.1% year over year

Funding

Total funding

$1.4B

Last raise

$600M

Post IPO Debt, 7 days ago

Funding history

May 2026

Post IPO Debt Mirum Pharmaceuticals · $600M

Dec 2025

Post IPO Equity Mirum Pharmaceuticals · $68.5M

Dec 2025

Post IPO Equity Mirum Pharmaceuticals · $200M

Apr 2023

Post IPO Equity Mirum Pharmaceuticals · $275M

Aug 2022

Post IPO Equity Mirum Pharmaceuticals · $92M

Dec 2020

Post IPO Equity Mirum Pharmaceuticals · $10M

Audience

Monthly website visitors
22.1K
Month over month+42.4%
Quarter over quarter+18.9%
Top sourceDirect (43.7%)
Ad budget per month$0.0
Average search rank47.7
Traffic source mix
Direct
43.7%
Search
42.5%
Referral
7%
Social
5%
Paid referral
1.6%

LinkedIn followers

Follower count and growth

Total followers

44.2K

12-mo growth

+20.1%

Monthly growth

+2.9%

News

Links