DCIDonaldson Company, Inc.

$95.18

Is the business good?

How good a business is DCI?

Donaldson Company, Inc. earns 22% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

22%

Return on invested capital · cost of capital 9.0% · 13 points above what the capital costs: growth creates value

Operating margin
15%

Operating margin · Specialty Industrial Machinery median 15% · 12 months to Q3 2026

Cash conversion
0.89×

Cash conversion · 0.82× a year ago · some of the reported profit has not turned into cash yet

Share count, year on year
−1.8%

Share count, year on year · bought back, each share owns more of the company

Operating margin by fiscal year
YearOperating margin
FY202013%
FY202113%
FY202213%
FY202314%
FY202415%
FY202513%
Details
Gross margin12 months to Q3 2026
34%
Operating margin12 months to Q3 2026
15%
Net margin12 months to Q3 2026
12%
Free cash flow margin
10%
R&D as % of revenue
2.1%
Revenue, trailing twelve months
$3.81B
Free cash flow, trailing twelve months
$391M
Net income, trailing twelve months
$439M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
22%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.