Donaldson Company, Inc. (DCI) Stock

Donaldson Company, Inc. (DCI) is a Industrials stock trading at $92.45 (as of 2026-08-20), with a market capitalization of $10.72B and a trailing P/E of 24.4. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Donaldson Company, Inc. designs and sells filtration-related systems and replacement parts worldwide through two segments: Engine Products and Industrial Products. Its products include air and liquid filtration and related exhaust and monitoring equipment, serving OEMs across multiple industries as well as distributors, OEM dealer networks, private label accounts, and large fleets.

Understand Donaldson Company, Inc.: how it makes money

Donaldson makes and sells filtration systems and replacement parts (plus related sensors and monitoring) for engine, industrial, and specialty applications, and earns money by supplying OEMs and aftermarket customers worldwide.

The core profit engine is replacement demand, with Donaldson selling filtration systems and ongoing replacement filters and related monitoring hardware into both OEM channels and aftermarket use.

Revenue by segment (latest quarter)
Engine Products$0.6B
Industrial Products$0.3B

Business quality (Solid): Clear business focus on filtration systems and replacement parts across multiple end markets, though the provided data does not include segment detail beyond net sales and a single operational KPI (Fill Rate).

Valuation: At 23× earnings, DCI trades 31% below the Machinery average (34×). Note: one-time items can distort reported P/E.

Bull case

  • Replacement-focused product portfolio: The company sells replacement filters and related systems, which supports recurring demand patterns tied to ongoing filtration needs.
  • Diverse end-market applications: Engine Products serve OEMs across construction, mining, agriculture, aerospace, and defense (among others), spreading demand drivers across multiple industries.

Bear case

  • Demand sensitivity to the underlying industries: Because products are sold into OEMs used in construction, mining, agriculture, aerospace, and defense, weaker conditions in those end markets could reduce order activity.
  • Operational execution risk: With Fill Rate highlighted as an operating metric, delivery performance issues could affect customer experience and fulfillment outcomes.
Valuation — source: SEC EDGAR (first-party)
Price$92.45
Market Cap$10.72B
P/E Ratio24.4
EV / EBITDA15.6
Price / Book6.32
Price / Sales2.81
FCF Yield3.6%
DCF Value (model)$47.34
DCF Upside vs Price-48.8%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$3.69B
Net Margin9.9%
Revenue Growth (YoY)5.9%
EPS Growth (YoY)108.2%
FCF Growth (YoY)53.6%
Financial Health — source: SEC EDGAR
Altman Z-Score7.52 (safe)
Piotroski F-Score6/9 (moderate)
Valuation vs Sector & Industry
Stock P/E24.4
Sector P/E (Industrials)25.9
Industry P/E (Machinery)32.3
vs Sector-5.7%
vs Industry-24.4%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderVANGUARD GROUP INC ($1.05B)
Institutional Holders Tracked10
Congressional Trades (recent)2
Company
SectorIndustrials
IndustryMachinery
CEOTod E. Carpenter
Employees14,000
CountryUS
IPO Date1980-03-17

Related Companies (Business model: Industrials / Capital Goods (Heavy Machinery + Diversified Industrials); 8 closest by market cap; US-domiciled)

  • IDEX Corporation (IEX)
  • Graco Inc. (GGG)
  • Madison Air Solutions Corp (MAIR)
  • Regal Rexnord Corporation (RRX)
  • Flowserve Corporation (FLS)
  • The Timken Company (TKR)
  • Zurn Elkay Water Solutions Corporation (ZWS)
  • CECO Environmental Corp. (CECO)
DCI earnings history · DCI institutional & insider holders · DCI KPIs & operating metrics · DCI financials · DCI investor presentations & press releases · DCI SEC filings · DCI peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.