SinoMab BioScience Ltd (3681) Fair Value & Analysis
Healthcare · HK · Market cap HK$1.5B
Fair value as of: Aug 13, 2026
From 1 valuation models · updated 3 days ago
Below-average quality, and screening another 83% overvalued on our models.
What matters now
- The price sits above even our optimistic bull case (HK$0.3145). The favourable scenario is already priced in.
- Weak quality (32/100) and above fair value at the same time, the margin of safety is missing on both counts.
- The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution.
- A fairly wide model range (HK$0.1530 to HK$0.3145) leaves room in how you read the outcome.
Price vs Fair Value (5 years)
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Aug 13, 2026.
How to read this chart
60‑month range HK$0.9500 – HK$4.30 · fair‑value band HK$0.1530 – HK$0.3145 · the HK$1.22 price screens above the HK$0.2125 fair value. Dashed = 300-day average. As of Aug 13, 2026.
Analysis
SinoMab BioScience Ltd (3681) currently trades at HK$1.22, while our model-based Fair Value estimate is HK$0.2125, implying the stock looks roughly 82.6% overvalued today. The Quality Score stands at 32/100 (below-average quality), in the Healthcare sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium, the entry price still matters most (evidence: low).
Trailing-twelve-month revenue stands at HK$5.7M. Revenue grew 60.9% year over year. It earns a return on equity of -30.0%. Net debt stands at HK$5.0M. Fundamentals as of Aug 13, 2026
Our scenario range runs from HK$0.1530 (bear case) to HK$0.3145 (bull case); at HK$1.22, the current price sits above that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades about 68% below its 52-week high and 23% above its 52-week low, currently below its 200-day average. For context, the median of 10 Healthcare peers we cover trades at -47% fair-value upside, at -83%, 3681 screens richer than that median.
Fair Value models
Each model estimates fair value its own way; the Fair Value above is the evidence-weighted blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small.
All 1 models by family
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Key figures & financial health
More key figures
Figures from reported company fundamentals · as of Aug 13, 2026. TTM = trailing twelve months.
Quality Score breakdown
Of which business quality 34 · Market factors (momentum, volatility) 21
Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.
About the company
SinoMab BioScience Limited, a biopharmaceutical company, engages in the research, development, manufacture, and commercialization of therapeutics for the treatment of immunological diseases primarily monoclonal antibody (mAb)-based biologics in Mainland China and Hong Kong.
Full company description
SinoMab BioScience Limited, a biopharmaceutical company, engages in the research, development, manufacture, and commercialization of therapeutics for the treatment of immunological diseases primarily monoclonal antibody (mAb)-based biologics in Mainland China and Hong Kong. Its product pipeline comprises SM03 (Suciraslimab), a first-in-class anti-CD22 mAb, which is in Phase III clinical trial for the treatment of rheumatoid arthritis (RA); is in phase II clinical trial to treat non-Hodgkin's lymphoma and systemic lupus erythematosus; and is in phase I clinical trial to treat alzheimer's disease and sjogren's syndrome. It also develops SM17, a humanized anti-IL-25 receptor, which is in phase I clinical trial to treat asthma and atopic dermatitis, as well as to treat idiopathic pulmonary fibrosis; and SN1011, a Bruton's tyrosine kinase inhibitor, which is in Phase II clinical trial for the treatment of pemphigus, neuromyelitis optical spectrum disorder, and multiple sclerosis, as well as to treat systemic lupus erythematosus. In addition, the company is developing SM06, a humanised Anti-CD22, that is in preclinical trial to treat systemic lupus erythematosus, rheumatoid arthritis, neuromyelitis optica spectrum disorder, and sjogren's syndrome; and SM09, a humanised Anti-CD22, which is in preclinical trial to treat non-hodgkin's lymphoma and autoimmune diseases. Further, it develops Anti-CGC antibody, which is in preclinical trial to treat vitiligo and alopecia areata; and Bispecific antibody candidate (bsAb), which is in preclinical trial to treat osteoporosis. SinoMab BioScience Limited was incorporated in 2001 and is headquartered in Tai Po, Hong Kong.
Company description, as reported by the company or data provider.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
SinoMab BioScience Ltd reported revenue of HK$0 in FY2025 versus HK$26.7M in FY2021. Reported net income was −HK$102M in FY2025.
3681 screens 83% overvalued. Compare with Vertex Pharmaceuticals Incorporated →
Peer Group
Biotechnology · 605 stocks
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.
Valuation Multiples vs Biotechnology median · lower = cheaper
Snowflake
Five quick dimensions, each 0 to 100: VALUE (fair-value potential), FUTURE (revenue growth), PAST (return on equity), HEALTH (low debt), DIVIDEND (yield). Green = this stock, grey = typical sector peer.
VALUE 0: the price sits above our fair-value range.
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
ESG scores are not available for this stock yet. Values and ESG data are contextual and can differ between providers.
Similar stocks
10 more Biotechnology stocks, each showing price versus our Fair Value estimate (as of Aug 13, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Vertex Pharmaceuticals Incorporated VRTX | $525.73 | $278.78 | -47% |
| Regeneron Pharmaceuticals, Inc REGN | $797.99 | $594.40 | -26% |
| Samsung Biologics Co 207940 | 1,549,000 KRW | 1,055,793 KRW | -32% |
| Celltrion, Inc 068270 | 202,000 KRW | 74,519 KRW | -63% |
| WuXi Biologics (Cayman) Inc 2269 | HK$45.70 | HK$30.58 | -33% |
| Innovent Biologics, Inc 1801 | HK$95.55 | HK$19.68 | -79% |
| Genmab A/S GMAB | kr 2,037 | kr 250.07 | -88% |
| Sino Biopharmaceutical Limited 1177 | HK$4.87 | HK$3.37 | -31% |
| RemeGen Co 688331 | ¥131.87 | ¥23.19 | -82% |
| ALTEOGEN Inc 196170 | 314,000 KRW | 39,476 KRW | -87% |
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.
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