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Side-by-side financial comparison of DONALDSON Co INC (DCI) and ResMed (RMD). Click either name above to swap in a different company.

ResMed is the larger business by last-quarter revenue ($1.4B vs $935.4M, roughly 1.5× DONALDSON Co INC). ResMed runs the higher net margin — 27.6% vs 12.2%, a 15.4% gap on every dollar of revenue. On growth, ResMed posted the faster year-over-year revenue change (11.0% vs 3.9%). Over the past eight quarters, ResMed's revenue compounded faster (7.9% CAGR vs 3.3%).

Donaldson Company, Inc. is a filtration company engaged in the production and marketing of filtration products used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy (windmills), food & beverage, and pharmaceuticals. Also the company's research division, located in Minneapolis, Minn., participated in defense-related projects for various military applications.

ResMed Inc. is a medical equipment company based in San Diego, California, and founded in Australia. It primarily provides cloud-connectable medical devices for the treatment of sleep apnea, chronic obstructive pulmonary disease (COPD), and other respiratory conditions. Resmed produced hundreds of thousands of ventilators and bilevel devices to help treat the respiratory symptoms of patients with COVID-19.

DCI vs RMD — Head-to-Head

Bigger by revenue
RMD
RMD
1.5× larger
RMD
$1.4B
$935.4M
DCI
Growing faster (revenue YoY)
RMD
RMD
+7.1% gap
RMD
11.0%
3.9%
DCI
Higher net margin
RMD
RMD
15.4% more per $
RMD
27.6%
12.2%
DCI
Faster 2-yr revenue CAGR
RMD
RMD
Annualised
RMD
7.9%
3.3%
DCI

Income Statement — Q1 FY2026 vs Q4 FY2026

Metric
DCI
DCI
RMD
RMD
Revenue
$935.4M
$1.4B
Net Profit
$113.9M
$392.6M
Gross Margin
35.2%
61.8%
Operating Margin
16.0%
34.6%
Net Margin
12.2%
27.6%
Revenue YoY
3.9%
11.0%
Net Profit YoY
15.1%
13.9%
EPS (diluted)
$0.97
$2.68

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
DCI
DCI
RMD
RMD
Q2 26
$1.4B
Q4 25
$935.4M
$1.4B
Q3 25
$980.7M
$1.3B
Q2 25
$940.1M
$1.3B
Q1 25
$870.0M
$1.3B
Q4 24
$900.1M
$1.3B
Q3 24
$935.4M
$1.2B
Q2 24
$927.9M
$1.2B
Net Profit
DCI
DCI
RMD
RMD
Q2 26
$392.6M
Q4 25
$113.9M
$392.6M
Q3 25
$114.3M
$348.5M
Q2 25
$57.8M
$379.7M
Q1 25
$95.9M
$365.0M
Q4 24
$99.0M
$344.6M
Q3 24
$109.7M
$311.4M
Q2 24
$113.5M
$292.2M
Gross Margin
DCI
DCI
RMD
RMD
Q2 26
61.8%
Q4 25
35.2%
61.8%
Q3 25
34.5%
61.5%
Q2 25
34.2%
60.8%
Q1 25
35.2%
59.3%
Q4 24
35.5%
58.6%
Q3 24
35.8%
58.6%
Q2 24
35.6%
58.5%
Operating Margin
DCI
DCI
RMD
RMD
Q2 26
34.6%
Q4 25
16.0%
34.6%
Q3 25
15.5%
33.4%
Q2 25
9.3%
33.7%
Q1 25
14.4%
33.0%
Q4 24
14.5%
32.5%
Q3 24
15.6%
31.6%
Q2 24
15.5%
31.2%
Net Margin
DCI
DCI
RMD
RMD
Q2 26
27.6%
Q4 25
12.2%
27.6%
Q3 25
11.7%
26.1%
Q2 25
6.1%
28.2%
Q1 25
11.0%
28.3%
Q4 24
11.0%
26.9%
Q3 24
11.7%
25.4%
Q2 24
12.2%
23.9%
EPS (diluted)
DCI
DCI
RMD
RMD
Q2 26
$2.68
Q4 25
$0.97
$2.68
Q3 25
$0.97
$2.37
Q2 25
$0.48
$2.58
Q1 25
$0.79
$2.48
Q4 24
$0.81
$2.34
Q3 24
$0.90
$2.11
Q2 24
$0.92
$1.97

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
DCI
DCI
RMD
RMD
Cash + ST InvestmentsLiquidity on hand
$210.7M
$1.4B
Total DebtLower is stronger
$671.5M
$663.8M
Stockholders' EquityBook value
$1.5B
$6.3B
Total Assets
$3.0B
$8.5B
Debt / EquityLower = less leverage
0.44×
0.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCI
DCI
RMD
RMD
Q2 26
$1.4B
Q4 25
$210.7M
$1.4B
Q3 25
$180.4M
$1.4B
Q2 25
$178.5M
$1.2B
Q1 25
$189.1M
$932.7M
Q4 24
$221.2M
$521.9M
Q3 24
$232.7M
$426.4M
Q2 24
$223.7M
$238.4M
Total Debt
DCI
DCI
RMD
RMD
Q2 26
$663.8M
Q4 25
$671.5M
$403.9M
Q3 25
$630.4M
$408.7M
Q2 25
$638.8M
$658.4M
Q1 25
$514.7M
$663.1M
Q4 24
$538.6M
$662.9M
Q3 24
$483.4M
$667.6M
Q2 24
$481.8M
$697.3M
Stockholders' Equity
DCI
DCI
RMD
RMD
Q2 26
$6.3B
Q4 25
$1.5B
$6.3B
Q3 25
$1.5B
$6.1B
Q2 25
$1.5B
$6.0B
Q1 25
$1.5B
$5.5B
Q4 24
$1.5B
$5.3B
Q3 24
$1.5B
$5.2B
Q2 24
$1.5B
$4.9B
Total Assets
DCI
DCI
RMD
RMD
Q2 26
$8.5B
Q4 25
$3.0B
$8.5B
Q3 25
$3.0B
$8.3B
Q2 25
$3.0B
$8.2B
Q1 25
$3.0B
$7.6B
Q4 24
$3.0B
$7.1B
Q3 24
$2.9B
$7.2B
Q2 24
$2.9B
$6.9B
Debt / Equity
DCI
DCI
RMD
RMD
Q2 26
0.11×
Q4 25
0.44×
0.06×
Q3 25
0.43×
0.07×
Q2 25
0.44×
0.11×
Q1 25
0.33×
0.12×
Q4 24
0.35×
0.13×
Q3 24
0.32×
0.13×
Q2 24
0.32×
0.14×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
DCI
DCI
RMD
RMD
Operating Cash FlowLast quarter
$125.4M
Free Cash FlowOCF − Capex
$111.2M
FCF MarginFCF / Revenue
11.9%
Capex IntensityCapex / Revenue
1.5%
Cash ConversionOCF / Net Profit
1.10×
TTM Free Cash FlowTrailing 4 quarters
$403.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCI
DCI
RMD
RMD
Q2 26
Q4 25
$125.4M
$339.7M
Q3 25
$167.8M
$457.3M
Q2 25
$87.7M
$538.8M
Q1 25
$90.4M
$578.7M
Q4 24
$72.9M
$308.6M
Q3 24
$126.0M
$325.5M
Q2 24
$141.5M
$440.1M
Free Cash Flow
DCI
DCI
RMD
RMD
Q2 26
Q4 25
$111.2M
$311.2M
Q3 25
$147.5M
$414.4M
Q2 25
$73.0M
$508.2M
Q1 25
$71.5M
$557.9M
Q4 24
$47.9M
$288.0M
Q3 24
$106.2M
$307.7M
Q2 24
$120.2M
$415.2M
FCF Margin
DCI
DCI
RMD
RMD
Q2 26
Q4 25
11.9%
21.9%
Q3 25
15.0%
31.0%
Q2 25
7.8%
37.7%
Q1 25
8.2%
43.2%
Q4 24
5.3%
22.5%
Q3 24
11.4%
25.1%
Q2 24
13.0%
33.9%
Capex Intensity
DCI
DCI
RMD
RMD
Q2 26
Q4 25
1.5%
2.0%
Q3 25
2.1%
3.2%
Q2 25
1.6%
2.3%
Q1 25
2.2%
1.6%
Q4 24
2.8%
1.6%
Q3 24
2.1%
1.5%
Q2 24
2.3%
2.0%
Cash Conversion
DCI
DCI
RMD
RMD
Q2 26
Q4 25
1.10×
0.87×
Q3 25
1.47×
1.31×
Q2 25
1.52×
1.42×
Q1 25
0.94×
1.59×
Q4 24
0.74×
0.90×
Q3 24
1.15×
1.05×
Q2 24
1.25×
1.51×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

DCI
DCI

Aftermarket Products$447.1M48%
Industrial Filtration Solutions Products$222.6M24%
Off Road Products$86.5M9%
Life Sciences Segment$80.0M9%
Other$39.1M4%
Aerospace And Defense Products$37.1M4%
On Road Products$23.0M2%

RMD
RMD

Segment breakdown not available.

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