Dassault Systèmes SE (DASTY) Stock Price & How to Invest

Dassault Systemes SE is a Paris-based software company, listed on Euronext Paris (ticker DSY) and available to US investors as the DASTY American Depositary Receipt. It sells the tools manufacturers and life-sciences companies use to design, simulate, build and manage products: CATIA for 3D design in aerospace and automotive, SIMULIA for simulation, DELMIA for manufacturing operations, ENOVIA for product lifecycle management, SOLIDWORKS for small and mid-sized engineering firms, and Medidata, acquired in 2019 for ~$5.8 billion, which runs clinical-trial data for drugmakers. These products increasingly sit on a common cloud platform the company calls 3DEXPERIENCE, which it frames as a "virtual twin" of a product, a factory or even a patient. Revenue in 2025 was ~EUR 6.24 billion (~$7.1 billion), up ~4% in constant currency, with non-IFRS operating margins around 32% and non-IFRS diluted EPS of ~EUR 1.31. Pascal Daloz has been chief executive since 2024, succeeding long-time leader Bernard Charles, who remains chairman.

The investment picture changed sharply in February 2026. Fourth-quarter 2025 revenue grew only ~1%, and management guided 2026 revenue growth to 3% to 5% in constant currency, below the 4% to 7% range many investors had pencilled in. The Paris shares fell ~20% in a single session, reportedly their worst day on record, after an earlier ~12% drop in October 2025 when the company trimmed its 2025 revenue outlook. The weak spot is Life Sciences, where revenue fell ~2% in 2025 as pharma companies started fewer trials, while Industrial Innovation (CATIA and peers) kept growing mid-to-high single digits. Second-quarter 2026 results were steadier: revenue of ~EUR 1.56 billion, up ~4%, subscription up ~8%, 3DEXPERIENCE and cloud software both up ~14%, and annual run rate up ~6% to ~EUR 4.44 billion, with full-year targets confirmed. The company also agreed to buy ArisGlobal, a drug-safety and regulatory software vendor, for ~$1.8 billion in cash plus up to ~$200 million in earn-outs. At ~EUR 20 to 22 per share in early October 2026, against a 52-week range of roughly EUR 16 to 30, the stock trades near ~20x trailing earnings, a large discount to its own history and to US design-software peers.

Revenue growth has slowed to the low-to-mid single digits, and a further guidance cut would likely weigh on a stock that has already de-rated sharply. Life Sciences depends on pharma trial activity and biotech funding, which can stay weak for several years, and the ArisGlobal integration adds execution and goodwill risk on top of the Medidata experience. Competition is intense from Siemens Digital Industries Software, PTC and Autodesk, and AI-driven design tools could erode pricing. Automotive exposure (Europe and China) and US tariffs on industrial goods could delay customer projects. For US holders of DASTY, euro-dollar moves, French dividend withholding and thinner OTC liquidity add layers of return variability beyond the business itself.

4 analysts publish price targets on DASTY, averaging $26.09 against a $25.94 price as of October 2026, or +0.6%. The published targets run from $19.06 to $28.93, a moderate spread, and the ratings split 2 buy, 1 hold, 1 sell. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.

Read the full DASTY forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.

We give no verdict on Dassault Systèmes SE. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.

The case for buying. Subscription and cloud transition. Dassault has historically sold perpetual licences plus maintenance, and it is now pushing customers toward subscriptions and the 3DEXPERIENCE cloud. The most optimistic published target, $28.93, assumes this works close to its best case.

The case against. Revenue growth has slowed to the low-to-mid single digits, and a further guidance cut would likely weigh on a stock that has already de-rated sharply. The most pessimistic target, $19.06, is roughly what DASTY is worth if this bites instead.

Read the full bull and bear case on DASTY, including what would have to change to break either one. Walnut is not an investment adviser.

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Dassault Systèmes SE's investor relations page or your broker.

• Revenue (FY2025): ~EUR 6.24B (~$7.1B), +4% cc
• 2026 revenue guidance: ~EUR 6.30B to 6.42B (+3% to 5% cc)
• Non-IFRS operating margin: ~32% (2026 guide 32.2% to 32.6%)
• Non-IFRS diluted EPS: ~EUR 1.31 (2025); 2026 guide EUR 1.30 to 1.34
• Market cap: ~EUR 26B to 29B (~$30B to 34B)
• Valuation: ~20x trailing EPS; ~16x 2026 non-IFRS EPS

Figures are approximate and in euros, the company's reporting currency; USD conversions assume roughly 1.15 to 1.17 dollars per euro. Non-IFRS EPS excludes acquisition amortisation and share-based compensation, so IFRS EPS is materially lower (~EUR 0.90 in 2025), and the trailing multiple depends heavily on which basis a data provider uses. Third-quarter 2026 results are expected in late October 2026, with Q3 guidance of ~EUR 1.50B to 1.54B in revenue, and the ArisGlobal deal is excluded from the current outlook.

Other names that sit close to DASTY: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.

There are three common ways to get DASTY exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic portfolio, so DASTY sits alongside other stocks that express the same thesis.

Walnut takes the portfolio route. Describe a thesis where DASTY fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.

Dassault Systemes is a durable engineering-software leader whose valuation has compressed to reflect mid-single-digit growth, so the stock's path from here depends largely on Medidata stabilising and the subscription shift showing up in faster revenue.

Whether DASTY is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is DASTY a buy or a sell?, and where the stock could go from here in the DASTY stock forecast.

For income investors, whether DASTY pays a dividend and how the payout looks is covered in does DASTY pay a dividend? And to weigh DASTY against a peer, read the full side-by-side comparisons: DASTY vs SIEGY and DASTY vs PTC.