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Abionyx Pharma SA (ABNX) fair value: what the stock is really worth

As of Nov 10, 2026: fair value (intrinsic value) of Abionyx Pharma SA stock €1.07, price €1.64, that is 34.8% below the price, quality 33 out of 100. Rating: overvalued. The value is an estimate: none of our valuation models currently carries, it draws on revenue and assets compared with similar companies. Updated daily.

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Healthcare FR · ISIN FR0012616852

AP Abionyx Pharma SA logo Thin data Nov 10, 2026

Abionyx Pharma SA

ABNX · PA
Expensive, weak quality

Our calculation puts a fair price 35% below what the stock costs today.

Low debt
Revenue last quarter 12% below a year ago.
Fair value €1.07 · Overvalued
Quality 33/100
Weak Growth (revenue 3y −8.2 %/yr in EUR)
Loss-making · -136.6% net margin (TTM)
Negative free cash flow
Trails peers (0/9)
Narrow moat 10/100 · thin data
Thin data
Estimate
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26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

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Price vs Fair Value

€4.92 €0.8923 Fair Value €1.07 Sep 2021 Nov 2026

White line = price, green steps = our fair value per fiscal year. As of Nov 10, 2026.

How to read this chart

60‑month range €0.8923 – €4.92 · fair‑value band €0.8000 – €1.34 · the €1.64 price screens above the €1.07 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 10, 2026.

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Company profile

ABIONYX Pharma SA, a biotech company, discovers and develops therapies for the treatment of renal, metabolic, and ophthalmic diseases in France and the United States.

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It operates through Research and Development Activities for the Development of Innovative Drugs; and Contract Research Organization (CRO) Activities segments.

The company develops CER-001, a recombinant HDL mimetic biopharmaceutical in a Phase III trial for the treatment of lecithin cholesterol acyltransferase (LCAT) deficiency, as well as in a Phase II trial for the treatment of sepsis.

It is also developing ABNX-100, a strategic extension into ophthalmology of CER-001 that is in preclinical trial for the treatment of uveitis. The company was formerly known as Cerenis Therapeutics Holding SA and changed its name to ABIONYX Pharma SA in August 2019.

ABIONYX Pharma SA was incorporated in 2005 and is headquartered in Balma, France.

Stock analysis

Abionyx Pharma SA (ABNX) currently trades at €1.64, while our estimate is €1.07, 35% below the price, so the stock looks overvalued today.

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Valuation

None of our valuation models currently carries for this company, usually because of losses or heavy investment. The estimate draws on revenue and assets compared with similar companies and is less precise than a model-based fair value.

Scenario range: €0.8000 (bear) to €1.34 (bull), the price of €1.64 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 33/100 (below-average quality), in the Healthcare sector.

Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.

Abionyx Pharma SA reported revenue of €4.1M in FY2025 versus €675K in FY2021, a compound +56.6%/yr. Reported net income was −€5.6M in FY2025.

Key figures

Market cap €72.9M Micro · P/S ratio 16.9 · EPS (TTM) €−0.2200 · Net margin −137% · Return on equity −92.3% · Return on assets (EBIT) −33.3% (5-year average) · Operating margin −165% · Revenue (TTM) €4.1M.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 10 out of 100 (low confidence).

What moves the price

The share trades about 61% below its 52-week high and 15% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Healthcare peers we cover trades at −7% fair-value upside, at −35%, ABNX screens richer than that median.

Fair Value

Bear €0.8000 Fair Value €1.07 Bull €1.34
Price €1.64 · Downside -34.8%
Estimate. None of our valuation models currently carries for this company, usually because of losses or heavy investment. The estimate draws on revenue and assets compared with similar companies and is less precise than a model-based fair value.

Quality Score breakdown

Overall quality 33/100

It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.

Profitability 4
How much profit the company makes from its sales and capital
Quality Growth 7
Are margins and returns getting better?
Cashflow 1
Do the profits arrive as real cash?
Financial strength 76
Debt, balance sheet and risk of trouble
Investment 93
Does it invest with discipline instead of growing at any price?
Low Volatility 44
How calm the share price moves, does not count
Price momentum 10
Price momentum of the last 3 to 12 months, does not count
Near the 52-week high 4
Distance to the 52-week high, does not count
New shares 37
Buys back shares or issues new ones?

Open the full quality analysis →

Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 0/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−11.7%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−8.2%
Revenue growth 7 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
+56.8%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−881.8% (2021) → −154.0% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
not computed

ABNX screens overvalued: fair value 35% below the price. Compare with Vertex Pharmaceuticals Incorporated →

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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 · 849 stocks

Beats the industry median on 0/8 measures
Overall it trails its industry peers.
Valuation
Quality Score 33 · Below median
Fair Value upside −34.8% · Below median
Profitability
Return on assets −43.1% · Below median
Net margin (12 months) −136.6% · Bottom 25%
Operating margin (12 months) −165.0% · Bottom 25%
Growth and dividend
Revenue growth (quarter YoY) −11.9% · Below median
Balance sheet
Debt / equity 0.46× · Highest 25%

Valuation Multiplesvs Biotechnology median · lower = cheaper

P/B 17.10× · book value is mostly goodwill ⓘGoodwill and other intangible assets are larger than the equity. The book value mainly reflects prices paid for past acquisitions, so we do not rank this P/B against the peer group.
P/S (12 months) 17.93× · Priciest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 0
FUTURE (revenue growth)0 · sector 0
PAST (return on equity)0 · sector 0
HEALTH (low debt)77 · sector 96
DIVIDEND (yield)0 · sector 20

VALUE 0: the price sits above our fair-value range.

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Biotechnology stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value Compare
Regeneron Pharmaceuticals, Inc REGN $916.06 $1,275 +39% vs ABNX
Samsung Biologics Co 207940 1,468,000 KRW 1,661,000 KRW +13% vs ABNX
Vertex Pharmaceuticals Incorporated VRTX $547.89 $601.80 +10% vs ABNX
Genmab A/S GMAB kr 3,581 kr 3,880 +8% vs ABNX
argenx SE ARGX $971.55 $908.40 −7% vs ABNX
CSL Limited CSL A$201.68 A$181.40 −10% vs ABNX
Moderna, Inc MRNA $250.83 $158.70 −37% vs ABNX
BeOne Medicines AG 6160 HK$252.20 HK$152.80 −39% vs ABNX
Celltrion, Inc 068270 203,000 KRW 74,945 KRW −63% vs ABNX
Royalty Pharma plc RPRX $69.45 $19.01 −73% vs ABNX

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Abionyx Pharma SA: fair value per Fair Value Calculator

Cite: Fair Value Calculator (2026). "Abionyx Pharma SA Fair Value". https://www.fairvalue-calculator.com/stock/ABNX

Frequently asked questions

Is Abionyx Pharma SA (ABNX) overvalued or undervalued?
As of Nov 10, 2026, our estimate of fair value is €1.07 versus a price of €1.64, about 35% lower (overvalued).
What is the fair value of ABNX?
Our estimate for Abionyx Pharma SA is €1.07 (as of Nov 10, 2026), built from audited fundamentals. The current price: €1.64.
What is the quality score of ABNX?
Abionyx Pharma SA has a Quality Score of 33/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for Abionyx Pharma SA (ABNX)?
Our calculated price target is the estimate of €1.07 (as of Nov 10, 2026). Cautious scenario €0.8000, optimistic scenario €1.34. It is an estimate from revenue and assets compared with similar companies, because none of our valuation models currently carries, not an analyst target.
What is the Abionyx Pharma SA stock forecast for 2026?
Our estimate puts fair value at €1.07, about 35% lower versus a price of €1.64 (overvalued). Cautious scenario €0.8000, optimistic scenario €1.34. The calculation is refreshed regularly with new filings.
What is the revenue of Abionyx Pharma SA (ABNX)?
Abionyx Pharma SA reported trailing-twelve-month revenue of about €4.1M (latest available figure, as of Nov 10, 2026).
What is the intrinsic value of Abionyx Pharma SA (ABNX)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Abionyx Pharma SA it is €1.07 per share (as of Nov 10, 2026), against a price of €1.64.
Is Abionyx Pharma SA stock overvalued or undervalued in 2026?
As of Nov 10, 2026, ABNX trades above its calculated fair value: price €1.64, fair value €1.07, a gap of about −35% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of ABNX?
No. The price is what the market pays today (€1.64); the fair value is what the company's own numbers justify (€1.07). For Abionyx Pharma SA the two are €0.5720 per share apart. That gap is exactly why we show both numbers side by side.
How much is Abionyx Pharma SA worth?
The market values Abionyx Pharma SA at about €72.9M (market capitalisation, as of Nov 10, 2026). Per share that is €1.64; our models calculate a fair value of €1.07 per share.
What do the bullish and bearish scenarios say about ABNX?
Our models span a range for Abionyx Pharma SA: cautious scenario €0.8000, base €1.07, optimistic €1.34 per share (as of Nov 10, 2026, price €1.64). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Abionyx Pharma SA (ABNX)?
Balance-sheet figures for Abionyx Pharma SA (as of Nov 10, 2026): return on equity −92.3%, debt of 0.46 per unit of equity. They feed the Quality Score of 33/100, which measures business quality independently of the share price.
How far is ABNX from its 52-week high?
Abionyx Pharma SA trades at €1.64, about 61% below its 52-week high of €4.26 and 15% above the low of €1.43 (as of Nov 10, 2026). Distance from the high says nothing about value: that is what the fair value of €1.07 is for.
Which stocks are comparable to Abionyx Pharma SA?
From the same area (Healthcare) we also value Vertex Pharmaceuticals Incorporated, Moderna, Inc, Regeneron Pharmaceuticals, Inc, CSL Limited, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is Abionyx Pharma SA stock attractive at the current price?
The data as of Nov 10, 2026: price €1.64, calculated fair value €1.07 (−35%), Quality Score 33/100. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
Is it still worth investing in stocks now?
The global stock market currently sits 15.1% above its aggregate fair value. Abionyx Pharma SA itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of Abionyx Pharma SA (ABNX)?
The closing price on Nov 10, 2026 was €1.64. Our estimate is €1.07, about 35% lower (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Abionyx Pharma SA right now?
The price sits above even our optimistic bull case (€1.34). The favourable scenario is already priced in. Weak quality (33/100) 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.

Key figures of Abionyx Pharma SA

How large is the market capitalisation of Abionyx Pharma SA (ABNX)?
The market capitalisation of Abionyx Pharma SA is €72.9M. The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of Abionyx Pharma SA (ABNX)?
The price-to-sales ratio of Abionyx Pharma SA is 16.9 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of Abionyx Pharma SA (ABNX)?
Earnings per share at Abionyx Pharma SA are €−0.2200. Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of Abionyx Pharma SA (ABNX)?
The net margin of Abionyx Pharma SA is −137% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Abionyx Pharma SA (ABNX)?
The return on equity (ROE) of Abionyx Pharma SA is −92.3% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of Abionyx Pharma SA (ABNX)?
On an EBIT basis the return on assets of Abionyx Pharma SA is −33.3% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of Abionyx Pharma SA (ABNX)?
The operating margin of Abionyx Pharma SA is −165% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Abionyx Pharma SA (ABNX)?
Revenue at Abionyx Pharma SA is growing −11.9% versus a year earlier (3y avg −8.2%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How much free cash flow does Abionyx Pharma SA (ABNX) generate?
The free cash flow of Abionyx Pharma SA is −€3.2M (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net debt does Abionyx Pharma SA (ABNX) carry?
The net debt of Abionyx Pharma SA is €284K (fiscal year 2025). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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