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

DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $685.8M, roughly 1.4× PTC Inc.). PTC Inc. runs the higher net margin — 24.3% vs 12.2%, a 12.1% gap on every dollar of revenue. On growth, PTC Inc. posted the faster year-over-year revenue change (21.4% vs 3.9%). PTC Inc. produced more free cash flow last quarter ($267.4M vs $111.2M). Over the past eight quarters, PTC Inc.'s revenue compounded faster (6.6% 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.

PTC Inc. is an American computer software and services company founded in 1985 and headquartered in Boston, Massachusetts. The company was a pioneer in parametric, associative feature-based, solid computer-aided design (CAD) modeling software in 1988, including an Internet-based product for Product Lifecycle Management (PLM) in 1998. PTC markets products and services and an Internet of Things (IoT) and augmented reality (AR) platform for partners and developers.

DCI vs PTC — Head-to-Head

Bigger by revenue
DCI
DCI
1.4× larger
DCI
$935.4M
$685.8M
PTC
Growing faster (revenue YoY)
PTC
PTC
+17.4% gap
PTC
21.4%
3.9%
DCI
Higher net margin
PTC
PTC
12.1% more per $
PTC
24.3%
12.2%
DCI
More free cash flow
PTC
PTC
$156.2M more FCF
PTC
$267.4M
$111.2M
DCI
Faster 2-yr revenue CAGR
PTC
PTC
Annualised
PTC
6.6%
3.3%
DCI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DCI
DCI
PTC
PTC
Revenue
$935.4M
$685.8M
Net Profit
$113.9M
$166.5M
Gross Margin
35.2%
82.8%
Operating Margin
16.0%
32.2%
Net Margin
12.2%
24.3%
Revenue YoY
3.9%
21.4%
Net Profit YoY
15.1%
102.5%
EPS (diluted)
$0.97
$1.39

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
PTC
PTC
Q4 25
$935.4M
$685.8M
Q3 25
$980.7M
$893.8M
Q2 25
$940.1M
$643.9M
Q1 25
$870.0M
$636.4M
Q4 24
$900.1M
$565.1M
Q3 24
$935.4M
$626.5M
Q2 24
$927.9M
$518.6M
Q1 24
$876.7M
$603.1M
Net Profit
DCI
DCI
PTC
PTC
Q4 25
$113.9M
$166.5M
Q3 25
$114.3M
$347.8M
Q2 25
$57.8M
$141.3M
Q1 25
$95.9M
$162.6M
Q4 24
$99.0M
$82.2M
Q3 24
$109.7M
$126.5M
Q2 24
$113.5M
$69.0M
Q1 24
$98.7M
$114.4M
Gross Margin
DCI
DCI
PTC
PTC
Q4 25
35.2%
82.8%
Q3 25
34.5%
86.9%
Q2 25
34.2%
82.9%
Q1 25
35.2%
83.3%
Q4 24
35.5%
80.2%
Q3 24
35.8%
82.0%
Q2 24
35.6%
78.4%
Q1 24
35.2%
81.8%
Operating Margin
DCI
DCI
PTC
PTC
Q4 25
16.0%
32.2%
Q3 25
15.5%
48.5%
Q2 25
9.3%
32.6%
Q1 25
14.4%
35.1%
Q4 24
14.5%
20.4%
Q3 24
15.6%
31.0%
Q2 24
15.5%
18.5%
Q1 24
14.8%
29.8%
Net Margin
DCI
DCI
PTC
PTC
Q4 25
12.2%
24.3%
Q3 25
11.7%
38.9%
Q2 25
6.1%
21.9%
Q1 25
11.0%
25.6%
Q4 24
11.0%
14.6%
Q3 24
11.7%
20.2%
Q2 24
12.2%
13.3%
Q1 24
11.3%
19.0%
EPS (diluted)
DCI
DCI
PTC
PTC
Q4 25
$0.97
$1.39
Q3 25
$0.97
$2.88
Q2 25
$0.48
$1.17
Q1 25
$0.79
$1.35
Q4 24
$0.81
$0.68
Q3 24
$0.90
$1.05
Q2 24
$0.92
$0.57
Q1 24
$0.81
$0.95

Balance Sheet & Financial Strength

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

Metric
DCI
DCI
PTC
PTC
Cash + ST InvestmentsLiquidity on hand
$210.7M
$209.7M
Total DebtLower is stronger
$671.5M
$1.2B
Stockholders' EquityBook value
$1.5B
$3.8B
Total Assets
$3.0B
$6.4B
Debt / EquityLower = less leverage
0.44×
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCI
DCI
PTC
PTC
Q4 25
$210.7M
$209.7M
Q3 25
$180.4M
$184.4M
Q2 25
$178.5M
$199.3M
Q1 25
$189.1M
$235.2M
Q4 24
$221.2M
$196.3M
Q3 24
$232.7M
$265.8M
Q2 24
$223.7M
$247.7M
Q1 24
$193.8M
$249.0M
Total Debt
DCI
DCI
PTC
PTC
Q4 25
$671.5M
$1.2B
Q3 25
$630.4M
$1.2B
Q2 25
$638.8M
$1.2B
Q1 25
$514.7M
$1.4B
Q4 24
$538.6M
$1.0B
Q3 24
$483.4M
$1.2B
Q2 24
$481.8M
$1.3B
Q1 24
$352.0M
$1.5B
Stockholders' Equity
DCI
DCI
PTC
PTC
Q4 25
$1.5B
$3.8B
Q3 25
$1.5B
$3.8B
Q2 25
$1.5B
$3.5B
Q1 25
$1.5B
$3.4B
Q4 24
$1.5B
$3.2B
Q3 24
$1.5B
$3.2B
Q2 24
$1.5B
$3.0B
Q1 24
$1.4B
$2.9B
Total Assets
DCI
DCI
PTC
PTC
Q4 25
$3.0B
$6.4B
Q3 25
$3.0B
$6.6B
Q2 25
$3.0B
$6.2B
Q1 25
$3.0B
$6.2B
Q4 24
$3.0B
$6.1B
Q3 24
$2.9B
$6.4B
Q2 24
$2.9B
$6.1B
Q1 24
$2.8B
$6.2B
Debt / Equity
DCI
DCI
PTC
PTC
Q4 25
0.44×
0.31×
Q3 25
0.43×
0.31×
Q2 25
0.44×
0.34×
Q1 25
0.33×
0.40×
Q4 24
0.35×
0.32×
Q3 24
0.32×
0.38×
Q2 24
0.32×
0.43×
Q1 24
0.26×
0.51×

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
PTC
PTC
Operating Cash FlowLast quarter
$125.4M
$269.7M
Free Cash FlowOCF − Capex
$111.2M
$267.4M
FCF MarginFCF / Revenue
11.9%
39.0%
Capex IntensityCapex / Revenue
1.5%
0.3%
Cash ConversionOCF / Net Profit
1.10×
1.62×
TTM Free Cash FlowTrailing 4 quarters
$403.2M
$888.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCI
DCI
PTC
PTC
Q4 25
$125.4M
$269.7M
Q3 25
$167.8M
$104.0M
Q2 25
$87.7M
$243.9M
Q1 25
$90.4M
$281.3M
Q4 24
$72.9M
$238.4M
Q3 24
$126.0M
$98.1M
Q2 24
$141.5M
$213.8M
Q1 24
$87.0M
$250.7M
Free Cash Flow
DCI
DCI
PTC
PTC
Q4 25
$111.2M
$267.4M
Q3 25
$147.5M
$100.5M
Q2 25
$73.0M
$242.0M
Q1 25
$71.5M
$278.5M
Q4 24
$47.9M
$235.7M
Q3 24
$106.2M
$93.6M
Q2 24
$120.2M
$212.2M
Q1 24
$65.7M
$247.1M
FCF Margin
DCI
DCI
PTC
PTC
Q4 25
11.9%
39.0%
Q3 25
15.0%
11.2%
Q2 25
7.8%
37.6%
Q1 25
8.2%
43.8%
Q4 24
5.3%
41.7%
Q3 24
11.4%
14.9%
Q2 24
13.0%
40.9%
Q1 24
7.5%
41.0%
Capex Intensity
DCI
DCI
PTC
PTC
Q4 25
1.5%
0.3%
Q3 25
2.1%
0.4%
Q2 25
1.6%
0.3%
Q1 25
2.2%
0.4%
Q4 24
2.8%
0.5%
Q3 24
2.1%
0.7%
Q2 24
2.3%
0.3%
Q1 24
2.4%
0.6%
Cash Conversion
DCI
DCI
PTC
PTC
Q4 25
1.10×
1.62×
Q3 25
1.47×
0.30×
Q2 25
1.52×
1.73×
Q1 25
0.94×
1.73×
Q4 24
0.74×
2.90×
Q3 24
1.15×
0.78×
Q2 24
1.25×
3.10×
Q1 24
0.88×
2.19×

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%

PTC
PTC

Support And Cloud Services$393.3M57%
License$269.7M39%
Technology Service$22.9M3%
Perpetual License$5.6M1%

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