Why Donaldson Company (DCI) is on investors’ radar

Donaldson Company (DCI) has drawn fresh attention after a stretch of weaker recent returns, with the stock down 1.8% over the past week, 5% over the past month, and 12% in the past 3 months.

This pullback comes despite annual revenue of US$3.75b and net income of US$378.5m. These results are supported by its filtration businesses across Mobile Solutions, Industrial Solutions, and Life Sciences, which span construction, mining, transportation, and bioprocessing markets.

At a share price of US$81.87, Donaldson’s recent pullback, including an 11.96% decline in the 3 month share price return, contrasts with its 1 year total shareholder return of 20.08%. This suggests shorter term momentum is fading while longer term holders have still seen gains.

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With US$3.75b in revenue, US$378.5m in net income, and the stock recently weaker despite a 20.08% 1 year total return, is Donaldson now offering value, or is the market already pricing in future growth?

Most Popular Narrative: 15.1% Undervalued

Donaldson's most followed narrative puts fair value at $96.40 per share, comfortably above the last close at $81.87, and frames the recent pullback against a longer term growth story built around filtration and recurring aftermarket revenue.

Global expansion of environmental regulations and emissions standards is increasing demand for advanced filtration across industrial and transportation sectors, positioning Donaldson to achieve record sales in both Industrial Solutions and Mobile Solutions, with a direct positive impact on revenue and earnings growth in FY26 and beyond.

Analysts are effectively betting on tighter margins, steady revenue growth, and a richer earnings base to back that $96.40 figure. Want to see which mix of filtration segments, aftermarket exposure, and earnings multiple assumptions are doing the heavy lifting in this fair value model, and how they tie into the projected profit ramp?

Result: Fair Value of $96.40 (UNDERVALUED)

However, the narrative can unwind if bioprocessing demand stays muted or if electrification and maintenance free systems gradually chip away at core filtration revenue.

Another View: What The P/E Ratio Is Telling You

While the analyst narrative points to fair value of $96.40 per share, the current P/E of 25.1x is above the fair ratio of 23.2x, even though it sits below the US Machinery average of 26.8x and peer average of 29.3x. Is this a sensible premium or creeping valuation risk?

Next Steps

With sentiment mixed across valuation models and business segments, it makes sense to move quickly and stress test the numbers yourself. To see what is driving optimism in the current thesis, start by reviewing the 3 key rewards.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.