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BRAIN Biotech AG (BNN) Fair Value & Analysis

Basic Materials · DE · Market cap €64.0M

Price€2.83
Fair Value€0.3800
Upside-86.6%
Quality95/100
Evidence: Low Range €0.2800 – €0.4700

Fair value as of: Jun 24, 2026

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Analysis

BRAIN Biotech AG (BNN) currently trades at €2.83, while our model-based Fair Value estimate is €0.3800 — implying the stock looks roughly 86.6% overvalued today. We read business quality at 95/100 (high quality), in the Basic Materials 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).

About the company

BRAIN Biotech AG provides bio-based products and solutions in Germany, the United States, France, the Netherlands, and the United Kingdom. The company operates through two segments: BRAINBiocatalysts and BRAINBioIncubator. The BRAINBiocatalysts segment develops, produces, and distributes specialty enzymes, microorganisms, and ingredients. The BRAINBioIncubator segment encompasses a pipeline of research-intensive development projects primarily for the life sciences industry. The company offers enzymes, biocatalysts, microorganisms, and other bioactive natural compounds to produce foodstuffs and animal feed, cosmetics, and medical products, as well as for industrial applications in chemical companies, waste and hazardous materials disposal, and energy and raw materials production. The company was formerly known as B.R.A.I.N. Biotechnology Research and Information Network AG and changed its name to BRAIN Biotech AG in April 2021. BRAIN Biotech AG was founded in 1993 and is headquartere…

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Frequently asked questions

Is BRAIN Biotech AG (BNN) undervalued?
As of Jun 24, 2026, our model estimates a fair value of €0.3800 versus a price of €2.83 — about −87% (overvalued). Model-based estimate, not financial advice.
What is the fair value of BNN?
Our 21-model fair value for BRAIN Biotech AG is €0.3800 (as of Jun 24, 2026), built from audited fundamentals. The current price is €2.83.
What is the quality score of BNN?
BRAIN Biotech AG has a Quality Score of 95/100, measuring profitability, growth and balance-sheet strength from non-valuation factors.

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.

Educational research only · not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.