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

Fortinet is the larger business by last-quarter revenue ($1.8B vs $935.4M, roughly 2.0× DONALDSON Co INC). Fortinet runs the higher net margin — 28.9% vs 12.2%, a 16.7% gap on every dollar of revenue. On growth, Fortinet posted the faster year-over-year revenue change (20.1% vs 3.9%). Fortinet produced more free cash flow last quarter ($1.0B vs $111.2M). Over the past eight quarters, Fortinet's revenue compounded faster (13.6% 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.

Fortinet, Inc. is an American cybersecurity company headquartered in Sunnyvale, California. It develops and sells security products including firewalls, endpoint security and intrusion detection systems. Fortinet has offices in the US, Canada, and UK.

DCI vs FTNT — Head-to-Head

Bigger by revenue
FTNT
FTNT
2.0× larger
FTNT
$1.8B
$935.4M
DCI
Growing faster (revenue YoY)
FTNT
FTNT
+16.2% gap
FTNT
20.1%
3.9%
DCI
Higher net margin
FTNT
FTNT
16.7% more per $
FTNT
28.9%
12.2%
DCI
More free cash flow
FTNT
FTNT
$895.3M more FCF
FTNT
$1.0B
$111.2M
DCI
Faster 2-yr revenue CAGR
FTNT
FTNT
Annualised
FTNT
13.6%
3.3%
DCI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
DCI
DCI
FTNT
FTNT
Revenue
$935.4M
$1.8B
Net Profit
$113.9M
$534.5M
Gross Margin
35.2%
80.3%
Operating Margin
16.0%
31.4%
Net Margin
12.2%
28.9%
Revenue YoY
3.9%
20.1%
Net Profit YoY
15.1%
EPS (diluted)
$0.97
$0.72

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
FTNT
FTNT
Q1 26
$1.8B
Q4 25
$935.4M
$1.9B
Q3 25
$980.7M
$1.7B
Q2 25
$940.1M
$1.6B
Q1 25
$870.0M
$1.5B
Q4 24
$900.1M
$1.7B
Q3 24
$935.4M
$1.5B
Q2 24
$927.9M
$1.4B
Net Profit
DCI
DCI
FTNT
FTNT
Q1 26
$534.5M
Q4 25
$113.9M
$506.0M
Q3 25
$114.3M
$473.9M
Q2 25
$57.8M
$440.1M
Q1 25
$95.9M
$433.4M
Q4 24
$99.0M
$526.2M
Q3 24
$109.7M
$539.9M
Q2 24
$113.5M
$379.8M
Gross Margin
DCI
DCI
FTNT
FTNT
Q1 26
80.3%
Q4 25
35.2%
79.6%
Q3 25
34.5%
80.8%
Q2 25
34.2%
80.7%
Q1 25
35.2%
81.0%
Q4 24
35.5%
81.1%
Q3 24
35.8%
82.5%
Q2 24
35.6%
80.8%
Operating Margin
DCI
DCI
FTNT
FTNT
Q1 26
31.4%
Q4 25
16.0%
32.8%
Q3 25
15.5%
31.7%
Q2 25
9.3%
28.1%
Q1 25
14.4%
29.5%
Q4 24
14.5%
34.6%
Q3 24
15.6%
31.2%
Q2 24
15.5%
30.5%
Net Margin
DCI
DCI
FTNT
FTNT
Q1 26
28.9%
Q4 25
12.2%
26.6%
Q3 25
11.7%
27.5%
Q2 25
6.1%
27.0%
Q1 25
11.0%
28.1%
Q4 24
11.0%
31.7%
Q3 24
11.7%
35.8%
Q2 24
12.2%
26.5%
EPS (diluted)
DCI
DCI
FTNT
FTNT
Q1 26
$0.72
Q4 25
$0.97
$0.67
Q3 25
$0.97
$0.62
Q2 25
$0.48
$0.57
Q1 25
$0.79
$0.56
Q4 24
$0.81
$0.68
Q3 24
$0.90
$0.70
Q2 24
$0.92
$0.49

Balance Sheet & Financial Strength

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

Metric
DCI
DCI
FTNT
FTNT
Cash + ST InvestmentsLiquidity on hand
$210.7M
$3.3B
Total DebtLower is stronger
$671.5M
$496.8M
Stockholders' EquityBook value
$1.5B
$989.7M
Total Assets
$3.0B
$9.9B
Debt / EquityLower = less leverage
0.44×
0.50×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCI
DCI
FTNT
FTNT
Q1 26
$3.3B
Q4 25
$210.7M
$2.5B
Q3 25
$180.4M
$2.0B
Q2 25
$178.5M
$3.4B
Q1 25
$189.1M
$3.6B
Q4 24
$221.2M
$2.9B
Q3 24
$232.7M
$2.5B
Q2 24
$223.7M
$2.2B
Total Debt
DCI
DCI
FTNT
FTNT
Q1 26
$496.8M
Q4 25
$671.5M
Q3 25
$630.4M
Q2 25
$638.8M
Q1 25
$514.7M
Q4 24
$538.6M
Q3 24
$483.4M
Q2 24
$481.8M
Stockholders' Equity
DCI
DCI
FTNT
FTNT
Q1 26
$989.7M
Q4 25
$1.5B
$1.2B
Q3 25
$1.5B
$735.1M
Q2 25
$1.5B
$2.1B
Q1 25
$1.5B
$2.0B
Q4 24
$1.5B
$1.5B
Q3 24
$1.5B
$908.1M
Q2 24
$1.5B
$288.2M
Total Assets
DCI
DCI
FTNT
FTNT
Q1 26
$9.9B
Q4 25
$3.0B
$10.4B
Q3 25
$3.0B
$9.4B
Q2 25
$3.0B
$10.6B
Q1 25
$3.0B
$10.4B
Q4 24
$3.0B
$9.8B
Q3 24
$2.9B
$8.9B
Q2 24
$2.9B
$8.1B
Debt / Equity
DCI
DCI
FTNT
FTNT
Q1 26
0.50×
Q4 25
0.44×
Q3 25
0.43×
Q2 25
0.44×
Q1 25
0.33×
Q4 24
0.35×
Q3 24
0.32×
Q2 24
0.32×

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
FTNT
FTNT
Operating Cash FlowLast quarter
$125.4M
$1.1B
Free Cash FlowOCF − Capex
$111.2M
$1.0B
FCF MarginFCF / Revenue
11.9%
54.4%
Capex IntensityCapex / Revenue
1.5%
Cash ConversionOCF / Net Profit
1.10×
2.02×
TTM Free Cash FlowTrailing 4 quarters
$403.2M
$2.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCI
DCI
FTNT
FTNT
Q1 26
$1.1B
Q4 25
$125.4M
$620.2M
Q3 25
$167.8M
$655.2M
Q2 25
$87.7M
$451.9M
Q1 25
$90.4M
$863.3M
Q4 24
$72.9M
$477.6M
Q3 24
$126.0M
$608.1M
Q2 24
$141.5M
$342.0M
Free Cash Flow
DCI
DCI
FTNT
FTNT
Q1 26
$1.0B
Q4 25
$111.2M
$577.4M
Q3 25
$147.5M
$567.5M
Q2 25
$73.0M
$284.1M
Q1 25
$71.5M
$796.8M
Q4 24
$47.9M
$380.0M
Q3 24
$106.2M
$571.8M
Q2 24
$120.2M
$318.9M
FCF Margin
DCI
DCI
FTNT
FTNT
Q1 26
54.4%
Q4 25
11.9%
30.3%
Q3 25
15.0%
32.9%
Q2 25
7.8%
17.4%
Q1 25
8.2%
51.8%
Q4 24
5.3%
22.9%
Q3 24
11.4%
37.9%
Q2 24
13.0%
22.2%
Capex Intensity
DCI
DCI
FTNT
FTNT
Q1 26
Q4 25
1.5%
2.2%
Q3 25
2.1%
5.1%
Q2 25
1.6%
10.3%
Q1 25
2.2%
4.3%
Q4 24
2.8%
5.9%
Q3 24
2.1%
2.4%
Q2 24
2.3%
1.6%
Cash Conversion
DCI
DCI
FTNT
FTNT
Q1 26
2.02×
Q4 25
1.10×
1.23×
Q3 25
1.47×
1.38×
Q2 25
1.52×
1.03×
Q1 25
0.94×
1.99×
Q4 24
0.74×
0.91×
Q3 24
1.15×
1.13×
Q2 24
1.25×
0.90×

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%

FTNT
FTNT

Service$1.2B65%
Product$645.1M35%

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