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

DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $750.8M, roughly 1.2× Principal Financial Group). DONALDSON Co INC runs the higher net margin — 12.2% vs 0.3%, a 11.9% gap on every dollar of revenue. On growth, Principal Financial Group posted the faster year-over-year revenue change (4.0% vs 3.9%). Over the past eight quarters, DONALDSON Co INC's revenue compounded faster (3.3% CAGR vs -58.3%).

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.

Principal Financial Group, Inc. (PFG) is an American global financial investment management and insurance company headquartered in Des Moines, Iowa, United States.

DCI vs PFG — Head-to-Head

Bigger by revenue
DCI
DCI
1.2× larger
DCI
$935.4M
$750.8M
PFG
Growing faster (revenue YoY)
PFG
PFG
+0.1% gap
PFG
4.0%
3.9%
DCI
Higher net margin
DCI
DCI
11.9% more per $
DCI
12.2%
0.3%
PFG
Faster 2-yr revenue CAGR
DCI
DCI
Annualised
DCI
3.3%
-58.3%
PFG

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DCI
DCI
PFG
PFG
Revenue
$935.4M
$750.8M
Net Profit
$113.9M
$1.9M
Gross Margin
35.2%
Operating Margin
16.0%
Net Margin
12.2%
0.3%
Revenue YoY
3.9%
4.0%
Net Profit YoY
15.1%
783.0%
EPS (diluted)
$0.97

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
PFG
PFG
Q1 26
$750.8M
Q4 25
$935.4M
$4.6B
Q3 25
$980.7M
$3.7B
Q2 25
$940.1M
$3.7B
Q1 25
$870.0M
$3.7B
Q4 24
$900.1M
$4.8B
Q3 24
$935.4M
$3.0B
Q2 24
$927.9M
$4.3B
Net Profit
DCI
DCI
PFG
PFG
Q1 26
$1.9M
Q4 25
$113.9M
$517.0M
Q3 25
$114.3M
$213.8M
Q2 25
$57.8M
$406.2M
Q1 25
$95.9M
$48.1M
Q4 24
$99.0M
$905.4M
Q3 24
$109.7M
$-220.0M
Q2 24
$113.5M
$353.1M
Gross Margin
DCI
DCI
PFG
PFG
Q1 26
Q4 25
35.2%
Q3 25
34.5%
Q2 25
34.2%
Q1 25
35.2%
Q4 24
35.5%
Q3 24
35.8%
Q2 24
35.6%
Operating Margin
DCI
DCI
PFG
PFG
Q1 26
Q4 25
16.0%
Q3 25
15.5%
Q2 25
9.3%
Q1 25
14.4%
Q4 24
14.5%
Q3 24
15.6%
Q2 24
15.5%
Net Margin
DCI
DCI
PFG
PFG
Q1 26
0.3%
Q4 25
12.2%
11.3%
Q3 25
11.7%
5.8%
Q2 25
6.1%
11.1%
Q1 25
11.0%
1.3%
Q4 24
11.0%
19.1%
Q3 24
11.7%
-7.3%
Q2 24
12.2%
8.2%
EPS (diluted)
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$0.97
$2.30
Q3 25
$0.97
$0.95
Q2 25
$0.48
$1.79
Q1 25
$0.79
$0.21
Q4 24
$0.81
$3.92
Q3 24
$0.90
$-0.95
Q2 24
$0.92
$1.49

Balance Sheet & Financial Strength

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

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

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$210.7M
$4.4B
Q3 25
$180.4M
$5.1B
Q2 25
$178.5M
$3.7B
Q1 25
$189.1M
$3.9B
Q4 24
$221.2M
$4.2B
Q3 24
$232.7M
$6.2B
Q2 24
$223.7M
$4.8B
Total Debt
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$671.5M
$3.9B
Q3 25
$630.4M
$3.9B
Q2 25
$638.8M
$3.9B
Q1 25
$514.7M
$4.3B
Q4 24
$538.6M
$4.0B
Q3 24
$483.4M
$3.9B
Q2 24
$481.8M
$3.9B
Stockholders' Equity
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$1.5B
$11.9B
Q3 25
$1.5B
$11.7B
Q2 25
$1.5B
$11.4B
Q1 25
$1.5B
$11.2B
Q4 24
$1.5B
$11.1B
Q3 24
$1.5B
$11.2B
Q2 24
$1.5B
$11.0B
Total Assets
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$3.0B
$341.4B
Q3 25
$3.0B
$334.5B
Q2 25
$3.0B
$323.1B
Q1 25
$3.0B
$313.0B
Q4 24
$3.0B
$313.7B
Q3 24
$2.9B
$322.9B
Q2 24
$2.9B
$308.8B
Debt / Equity
DCI
DCI
PFG
PFG
Q1 26
Q4 25
0.44×
0.33×
Q3 25
0.43×
0.34×
Q2 25
0.44×
0.34×
Q1 25
0.33×
0.39×
Q4 24
0.35×
0.36×
Q3 24
0.32×
0.35×
Q2 24
0.32×
0.36×

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
PFG
PFG
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
PFG
PFG
Q1 26
Q4 25
$125.4M
$1.7B
Q3 25
$167.8M
$1.0B
Q2 25
$87.7M
$811.9M
Q1 25
$90.4M
$977.3M
Q4 24
$72.9M
$1.5B
Q3 24
$126.0M
$1.1B
Q2 24
$141.5M
$1.4B
Free Cash Flow
DCI
DCI
PFG
PFG
Q1 26
Q4 25
$111.2M
Q3 25
$147.5M
Q2 25
$73.0M
Q1 25
$71.5M
Q4 24
$47.9M
Q3 24
$106.2M
Q2 24
$120.2M
FCF Margin
DCI
DCI
PFG
PFG
Q1 26
Q4 25
11.9%
Q3 25
15.0%
Q2 25
7.8%
Q1 25
8.2%
Q4 24
5.3%
Q3 24
11.4%
Q2 24
13.0%
Capex Intensity
DCI
DCI
PFG
PFG
Q1 26
Q4 25
1.5%
Q3 25
2.1%
Q2 25
1.6%
Q1 25
2.2%
Q4 24
2.8%
Q3 24
2.1%
Q2 24
2.3%
Cash Conversion
DCI
DCI
PFG
PFG
Q1 26
Q4 25
1.10×
3.37×
Q3 25
1.47×
4.70×
Q2 25
1.52×
2.00×
Q1 25
0.94×
20.32×
Q4 24
0.74×
1.61×
Q3 24
1.15×
Q2 24
1.25×
4.05×

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%

PFG
PFG

Segment breakdown not available.

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