Mirum Pharmaceuticals Inc (MIRM) fair value: what the stock is really worth
We calculate from audited financials what Mirum Pharmaceuticals Inc is really worth. The fair value tells you whether the price is too high or too low, the quality score (0 to 100) how solid the business behind it is. 26 models, 37 quality factors, updated daily.
- Fair value above price? No
- Good quality? No
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Mirum Pharmaceuticals Inc
MIRM · USStructural break: The valuation model sees a lasting decline in earnings power for this stock, the confidence band is broken. Treat the target with caution.
Weakest SetupStrongly overvalued and low quality.
What runs behind every stock
69 individual criteria per stock, every one traceable See the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 13, 2026.
How to read this chart
60‑month range $13.05 – $128.57 · fair‑value band $10.76 – $34.48 · the $98.22 price screens above the $18.44 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 13, 2026.
Company profile
Mirum Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of novel therapies for debilitating rare and orphan diseases.
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Mirum Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the development and commercialization of novel therapies for debilitating rare and orphan diseases. Its lead product candidate is LIVMARLI (maralixibat), an orally administered and minimally absorbed ileal bile acid transporter (IBAT) inhibitor that is approved for the treatment of cholestatic pruritus in patients with Alagille syndrome in the United States and internationally. The company is also involved in the commercialization of Cholbam, a cholic acid capsule, which is approved as treatment for pediatric and adult patients with bile acid synthesis disorders due to single enzyme defects and for adjunctive treatment of patients with peroxisomal disorders, including peroxisome biogenesis disorder-Zellweger spectrum disorder and Smith-Lemli-Opitz syndrome; and Chenodal, a tablet, which is approved for the treatment of radiolucent stones in the gallbladder, and under development for the treatment cerebrotendinous xanthomatosis. In addition, it develops Volixibat, an oral and minimally absorbed agent designed to inhibit IBAT, currently under Phase 2b clinical trial for the treatment of adult patients with cholestatic liver diseases; Brelovitug, for the treatment of chronic HDV infection, which is in Phase 2 clinical trial; and MRM-3379, that is in Phase 2 clinical study for the treatment of FXS. The company has a collaboration agreement with the Shire International GmbH; License Agreement with Pfizer Inc.; Sanofi-Aventis Deutschland GmbH; Novartis Pharma AG; Lonza Ltd.; Enthorin Therapeutics, LLC and Dart Neuroscience LLC; Asset Purchase Agreement with Asklepion Pharmaceuticals, LLC; License and Manufacturing Agreement with LGM Pharma; and Asset Purchase Agreement with Travere Therapeutics, Inc. The company was incorporated in 2018 and is headquartered in Foster City, California.
Stock analysis
Mirum Pharmaceuticals Inc (MIRM) currently trades at $98.22, while our model-based Fair Value estimate is $18.44, implying the stock looks roughly 432.8% overvalued today.
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Valuation
Bull case: the Growth DCF group reads highest at a median of $20.28 per share, and 0 of the 12 models we run sit above the $98.22 price.
Bear case: the Asset-Based group reads lowest at $3.46, and 12 of the 12 models stay below the price. Evidence for this calculation is low.
Scenario range: $10.76 (bear) to $34.48 (bull), the price of $98.22 sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 47/100 (below-average quality), in the Healthcare sector.
Mixed Growth: Revenue is growing, but margins or cash flow do not fully confirm the trend.
Mirum Pharmaceuticals Inc reported revenue of $521M in FY2025 versus $19.1M in FY2021, a compound +128.5%/yr. Reported net income was −$23.4M in FY2025.
Key figures
Market cap $7.4B · P/S ratio 13.1 · EPS (TTM) $−13.61 · Dividend yield 0.1% · Net margin −4.5% · Return on equity −336% · Return on assets (EBIT) −25.7% · Operating margin −39.5%.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 47 out of 100 (low confidence).
What moves the price
The share trades about 15% below its 52-week high and 126% above its 52-week low, currently above its 200-day average.
For context, the median of 10 Healthcare peers we cover trades at −12% fair-value upside, at −81%, MIRM screens richer than that median.
Fair Value models
All 12 models by family
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Set up alert →Quality Score breakdown
Of which business quality 54 · Market factors (momentum, volatility) 61
Revenue & earnings trend
Growth Forecast
MIRM screens 433% overvalued. Compare with Vertex Pharmaceuticals Incorporated →
Recent news
- Mirum Pharmaceuticals Appoints Dr. Rob Myers as Chief Medical Officer
- Why Is Mirum Pharmaceuticals (MIRM) Up 6.9% Since Last Earnings Report?
- Mirum Pharmaceuticals to Participate in Upcoming Investor Conferences
- Why Mirum Pharmaceuticals (MIRM) Is Down 6.4% After Raising 2026 Sales Outlook Amid Wider Losses – And What's Next
Compare Mirum Pharmaceuticals Inc with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Biotechnology · 645 stocks
Valuation Multiplesvs Biotechnology median · lower = cheaper
Strength profile in five axes (Snowflake)
VALUE 0: the price sits above our fair-value range.
Context: sector, industry, market
- Is the Health Care sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Biotechnology stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Vertex Pharmaceuticals Incorporated VRTX | $515.44 | $566.98 | +10% |
| Regeneron Pharmaceuticals, Inc REGN | $781.49 | $1,241 | +59% |
| argenx SE ARGX | €853.80 | €752.12 | −12% |
| BeOne Medicines AG 688235 | ¥247.30 | ¥124.62 | −50% |
| Samsung Biologics Co 207940 | 1,415,000 KRW | 1,556,500 KRW | +10% |
| Alnylam Pharmaceuticals, Inc ALNY | $248.68 | $211.88 | −15% |
| Royalty Pharma plc RPRX | $58.61 | $24.22 | −59% |
| Celltrion, Inc 068270 | 178,200 KRW | 74,519 KRW | −58% |
| BioNTech SE BNTX | $96.73 | $63.31 | −35% |
| Incyte Corporation INCY | $121.47 | $204.93 | +69% |
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Frequently asked questions
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Key figures of Mirum Pharmaceuticals Inc
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