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Mersen S.A (0Q6Q) fair value: what the stock is really worth

As of Oct 2, 2026: fair value of Mersen S.A €38.46, price €42.54, upside -9.6%, quality 44 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? No
  2. Good quality? No
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Industrials · GB · Home France · ISIN FR0000039620

MS Broad data Sep 24, 2026

Mersen S.A

0Q6Q · LSE

Weak valuationQuality is weak on top of the rich price.

!Fair value €38.46 · Overvalued (−9.6%)
!Quality 44/100
!Weak Growth (revenue 3y +1.5 %/yr)
!Thin margins · 1.2% net margin (TTM)
✓Low debt
·2.1% dividend yield · Safety not assessed
!Narrow moat 30/100

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Price vs Fair Value

€43.77 €15.69 Fair Value €38.46 Jul 2021 Oct 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.

How to read this chart

60‑month range €15.69 – €43.77 · fair‑value band €27.51 – €48.15 · the €42.54 price screens above the €38.46 fair value. Dashed = 300-day average. As of Sep 24, 2026.

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Company profile

Mersen S.A. manufactures and sells electrical power products and advanced materials in France, North America, rest of Europe, the Asia-Pacific, and internationally. It operates through two segments, Electrical Power and Advanced Materials.

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Mersen S.A. manufactures and sells electrical power products and advanced materials in France, North America, rest of Europe, the Asia-Pacific, and internationally. It operates through two segments, Electrical Power and Advanced Materials. The company offers fuses, fuse holders and systems, surge protection, accessories, power distribution blocks, IEC fuse switch disconnectors, low-voltage and high power switches, capacitors, cooling, power transfer for rail, isostatic and extruded graphite, bus bar, engineered panels, graphite bursting discs, and heat exchangers, as well as PTFE bellows, pipes, and fittings products and solutions. It also provides carbon brushes, brush-holders, carbon insulation, SSiC, process technologies, carbon/carbon composite, slip rings, DC protection for EV and batteries, corrosion resistant materials, brush gear assembly housing, signal and power transfer systems, dust collectors, industrial current collectors, and power stacks, as well as columns, reactors, and pressure vessels products and solutions. In addition, the company offers simulation tools, on-site maintenance, power stack design optimization, motor maintenance, wind services, electrical test lab, and knowledge center, as well as training for process industries and energy production solutions. It serves semiconductors; electric vehicles; battery energy storage system; solar; wind; railways and metros; aerospace; chemicals; building and infrastructure; electrical power distribution; and energy conversion. The company was formerly known as Groupe Carb/one Lorraine SA and changed its name to Mersen S.A. in May 2010. Mersen S.A. was founded in 1889 and is headquartered in Courbevoie, France.

Stock analysis

Mersen S.A (0Q6Q) currently trades at €42.54, while our model-based Fair Value estimate is €38.46, so the stock looks roughly fairly valued today (gap 10.6%).

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Valuation

Bull case: the DCF Models group reads highest at a median of €53.71 per share, and 5 of the 13 models we run sit above the €42.54 price.

Bear case: the Dividend Discount group reads lowest at €7.85, and 8 of the 13 models stay below the price. Evidence for this calculation is high.

Scenario range: €27.51 (bear) to €48.15 (bull), the price of €42.54 sits inside 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 44/100 (below-average quality), in the Industrials sector.

Weak Growth: Revenue growth is weak: less than 2 % a year.

Mersen S.A reported revenue of €847M in FY2020 versus €759M in FY2016, a compound +2.8%/yr. Reported net income was −€12.0M in FY2020.

Key figures

Market cap €740M · P/S ratio 0.62 · Dividend yield 2.1% · Net margin −1.4% · Return on equity 1.5% · Return on assets (EBIT) 5.4% · Operating margin 8.7% · Revenue (TTM) €1.2B.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 37 out of 100 (low confidence).

What moves the price

The share trades about 3% below its 52-week high and 111% above its 52-week low, currently above its 200-day average.

For context, the median of 10 Industrials peers we cover trades at −24% fair-value upside, at −10%, 0Q6Q screens cheaper than that median.

Fair Value models

Bear €27.51 Fair Value €38.46 Bull €48.15
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
FCF DCF €50.51 €67.44 €91.87 77
Growth DCF €51.84 €67.72 €89.31 76
5Y EBITDA Exit €37.55 €53.71 €72.97 72
All 13 models by family
DCF Models
FCF DCF €50.51 €67.44 €91.87 77
5Y Revenue Exit €22.27 €27.36 €33.72 71
5Y EBITDA Exit €37.55 €53.71 €72.97 72
10Y Revenue Exit €33.85 €40.07 €46.35 65
10Y EBITDA Exit €42.69 €56.08 €71.00 66
Dividend Discount
Gordon GGM €6.03 €7.85 €9.52 67
DDM Multi-Stage €6.03 €7.91 €9.87 65
Multiples
EV/EBIT €5.70 €9.90 €14.10 64
EV/EBITDA €33.38 €46.81 €60.24 67
EV/Revenue €2.09 €5.94 €9.80 50
Asset-Based
NCAV (Graham) €14.63 €19.61 €29.27 54
Growth DCF
Growth DCF €51.84 €67.72 €89.31 76
Rev-Margin DCF €22.27 €28.69 €36.76 71

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Quality Score breakdown

Overall quality 44/100

Of which business quality 45 · Market factors (momentum, volatility) 70

Profitability 24
Margins and returns on capital today
Quality Growth 10
Are margins and returns improving?
Cashflow 77
Earnings quality: real cash, not paper profit
Fin. Strength 40
Balance sheet, leverage, solvency risk
Investment 82
Disciplined investing over empire-building
Low Volatility 26
Calm price path (market factor)
Momentum 83
Price trend over the last 3–12 months (market factor)
52W Momentum 97
Distance to the 52-week high (market factor)

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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. 37/100
Revenue growth is weak: less than 2 % a year.
Revenue growth 1 year
−10.8%
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.
+1.5%
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.
4.1% (2016) → 2.0% (2020)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: no share-count history
not computed

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Values & ESG

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

Weapons Defense

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Cite: Fair Value Calculator (2026). "Mersen S.A Fair Value". https://www.fairvalue-calculator.com/stock/0Q6Q

Frequently asked questions

Is Mersen S.A (0Q6Q) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of €38.46 versus a price of €42.54, about −10% upside (fairly valued).
What is the fair value of 0Q6Q?
Our model-based fair value for Mersen S.A is €38.46 (as of Sep 24, 2026), built from audited fundamentals. The current price: €42.54.
What is the quality score of 0Q6Q?
Mersen S.A has a Quality Score of 44/100. 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 Mersen S.A (0Q6Q)?
Our model-based price target is the fair value of €38.46 (as of Sep 24, 2026) from 13 valuation models. Cautious scenario €27.51, optimistic scenario €48.15. It is a calculation from audited fundamentals, not an analyst target.
What is the Mersen S.A stock forecast for 2026?
Our models put fair value at €38.46, about −10% upside versus a price of €42.54 (fairly valued). Cautious scenario €27.51, optimistic scenario €48.15. The calculation is refreshed regularly with new filings.
What is the revenue of Mersen S.A (0Q6Q)?
Mersen S.A reported trailing-twelve-month revenue of about €1.2B (latest available figure, as of Sep 24, 2026).
Does Mersen S.A pay a dividend?
Mersen S.A currently shows a dividend yield of about 2.12% relative to its recent price (as of Sep 24, 2026).
What is the intrinsic value of Mersen S.A (0Q6Q)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Mersen S.A it is €38.46 per share (as of Sep 24, 2026), against a price of €42.54. It is the blended result of 13 valuation models (cash flow, earnings, asset, dividend).
Is Mersen S.A stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 0Q6Q trades above its calculated fair value: price €42.54, fair value €38.46, a gap of about −10% (fairly valued). 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 0Q6Q?
No. The price is what the market pays today (€42.54); the fair value is what the company's own numbers justify (€38.46). For Mersen S.A the two are €4.08 per share apart. That gap is exactly why we show both numbers side by side.
How much is Mersen S.A worth?
The market values Mersen S.A at about €740M (market capitalisation, as of Sep 24, 2026). Per share that is €42.54; our models calculate a fair value of €38.46 per share.
What do the bullish and bearish scenarios say about 0Q6Q?
Our models span a range for Mersen S.A: cautious scenario €27.51, base €38.46, optimistic €48.15 per share (as of Sep 24, 2026, price €42.54). The range comes from different growth and margin assumptions, not from analyst opinions.
How far is 0Q6Q from its 52-week high?
Mersen S.A trades at €42.54, about 3% below its 52-week high of €43.77 and 111% above the low of €20.14 (as of Oct 2, 2026). Distance from the high says nothing about value: that is what the fair value of €38.46 is for.
Which stocks are comparable to Mersen S.A?
From the same area (Industrials) we also value General Electric Company, RTX Corporation, Airbus SE, Lockheed Martin Corporation, 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 Mersen S.A stock attractive at the current price?
The data as of Sep 24, 2026: price €42.54, calculated fair value €38.46 (−10%), Quality Score 44/100, from 13 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 0Q6Q calculated?
We run Mersen S.A through 13 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of €38.46, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 14.5 % above its aggregate fair value. Mersen S.A 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 Mersen S.A (0Q6Q)?
The closing price on Oct 2, 2026 was €42.54. Our model-based fair value is €38.46, about −10% upside (fairly valued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Mersen S.A right now?
The price sits close to our fair value, market and models broadly agree here, little valuation tension. The price sits in the upper half of our model range, so the margin of safety is thin. The data supports the verdict: every model runs on fully documented inputs.

Key figures of Mersen S.A

How large is the market capitalisation of Mersen S.A (0Q6Q)?
The market capitalisation of Mersen S.A is €740M. 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 Mersen S.A (0Q6Q)?
The price-to-sales ratio of Mersen S.A is 0.62 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What is the dividend yield of Mersen S.A (0Q6Q)?
The dividend yield of Mersen S.A is 2.1%. Yearly dividend relative to the share price. 3% pays 3 per 100 invested. Below: how much of profit is used for it.
What is the net margin of Mersen S.A (0Q6Q)?
The net margin of Mersen S.A is −1.4% (fiscal year 2020). 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 Mersen S.A (0Q6Q)?
The return on equity (ROE) of Mersen S.A is 1.5% (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 Mersen S.A (0Q6Q)?
On an EBIT basis the return on assets of Mersen S.A is 5.4% (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 Mersen S.A (0Q6Q)?
The operating margin of Mersen S.A is 8.7% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Mersen S.A (0Q6Q)?
Revenue at Mersen S.A is growing −7.0% versus a year earlier (3y avg +1.5%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Mersen S.A (0Q6Q)?
Earnings per share at Mersen S.A are growing −24.4% versus a year earlier. How much earnings per share grew versus a year earlier.
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