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

DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $665.5M, roughly 1.4× Lumentum Holdings Inc.). DONALDSON Co INC runs the higher net margin — 12.2% vs 11.8%, a 0.4% gap on every dollar of revenue. On growth, Lumentum Holdings Inc. posted the faster year-over-year revenue change (65.5% vs 3.9%). DONALDSON Co INC produced more free cash flow last quarter ($111.2M vs $43.1M). Over the past eight quarters, Lumentum Holdings Inc.'s revenue compounded faster (34.8% 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.

JDS Uniphase Corporation (JDSU) was an American company that designed and manufactured products for optical communications networks, communications test and measurement equipment, lasers, optical solutions for authentication and decorative applications, and other custom optics. It was headquartered in Milpitas, California. In August 2015, JDSU split into two different companies – Viavi Solutions and Lumentum Holdings.

DCI vs LITE — Head-to-Head

Bigger by revenue
DCI
DCI
1.4× larger
DCI
$935.4M
$665.5M
LITE
Growing faster (revenue YoY)
LITE
LITE
+61.5% gap
LITE
65.5%
3.9%
DCI
Higher net margin
DCI
DCI
0.4% more per $
DCI
12.2%
11.8%
LITE
More free cash flow
DCI
DCI
$68.1M more FCF
DCI
$111.2M
$43.1M
LITE
Faster 2-yr revenue CAGR
LITE
LITE
Annualised
LITE
34.8%
3.3%
DCI

Income Statement — Q1 FY2026 vs Q2 FY2026

Metric
DCI
DCI
LITE
LITE
Revenue
$935.4M
$665.5M
Net Profit
$113.9M
$78.2M
Gross Margin
35.2%
36.1%
Operating Margin
16.0%
9.7%
Net Margin
12.2%
11.8%
Revenue YoY
3.9%
65.5%
Net Profit YoY
15.1%
228.4%
EPS (diluted)
$0.97
$0.89

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
LITE
LITE
Q4 25
$935.4M
$665.5M
Q3 25
$980.7M
$533.8M
Q2 25
$940.1M
$480.7M
Q1 25
$870.0M
$425.2M
Q4 24
$900.1M
$402.2M
Q3 24
$935.4M
$336.9M
Q2 24
$927.9M
$308.3M
Q1 24
$876.7M
$366.5M
Net Profit
DCI
DCI
LITE
LITE
Q4 25
$113.9M
$78.2M
Q3 25
$114.3M
$4.2M
Q2 25
$57.8M
$213.3M
Q1 25
$95.9M
$-44.1M
Q4 24
$99.0M
$-60.9M
Q3 24
$109.7M
$-82.4M
Q2 24
$113.5M
$-252.5M
Q1 24
$98.7M
$-127.0M
Gross Margin
DCI
DCI
LITE
LITE
Q4 25
35.2%
36.1%
Q3 25
34.5%
34.0%
Q2 25
34.2%
33.3%
Q1 25
35.2%
28.8%
Q4 24
35.5%
24.8%
Q3 24
35.8%
23.1%
Q2 24
35.6%
16.6%
Q1 24
35.2%
16.2%
Operating Margin
DCI
DCI
LITE
LITE
Q4 25
16.0%
9.7%
Q3 25
15.5%
1.3%
Q2 25
9.3%
-1.7%
Q1 25
14.4%
-8.9%
Q4 24
14.5%
-12.8%
Q3 24
15.6%
-24.5%
Q2 24
15.5%
-43.3%
Q1 24
14.8%
-31.3%
Net Margin
DCI
DCI
LITE
LITE
Q4 25
12.2%
11.8%
Q3 25
11.7%
0.8%
Q2 25
6.1%
44.4%
Q1 25
11.0%
-10.4%
Q4 24
11.0%
-15.1%
Q3 24
11.7%
-24.5%
Q2 24
12.2%
-81.9%
Q1 24
11.3%
-34.7%
EPS (diluted)
DCI
DCI
LITE
LITE
Q4 25
$0.97
$0.89
Q3 25
$0.97
$0.05
Q2 25
$0.48
$3.10
Q1 25
$0.79
$-0.64
Q4 24
$0.81
$-0.88
Q3 24
$0.90
$-1.21
Q2 24
$0.92
$-3.75
Q1 24
$0.81
$-1.88

Balance Sheet & Financial Strength

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

Metric
DCI
DCI
LITE
LITE
Cash + ST InvestmentsLiquidity on hand
$210.7M
$1.2B
Total DebtLower is stronger
$671.5M
Stockholders' EquityBook value
$1.5B
$846.6M
Total Assets
$3.0B
$4.8B
Debt / EquityLower = less leverage
0.44×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCI
DCI
LITE
LITE
Q4 25
$210.7M
$1.2B
Q3 25
$180.4M
$1.1B
Q2 25
$178.5M
$877.1M
Q1 25
$189.1M
$866.7M
Q4 24
$221.2M
$896.7M
Q3 24
$232.7M
$916.1M
Q2 24
$223.7M
$887.0M
Q1 24
$193.8M
$870.9M
Total Debt
DCI
DCI
LITE
LITE
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
Q1 24
$352.0M
Stockholders' Equity
DCI
DCI
LITE
LITE
Q4 25
$1.5B
$846.6M
Q3 25
$1.5B
$780.8M
Q2 25
$1.5B
$1.1B
Q1 25
$1.5B
$879.5M
Q4 24
$1.5B
$872.3M
Q3 24
$1.5B
$895.9M
Q2 24
$1.5B
$957.3M
Q1 24
$1.4B
$1.2B
Total Assets
DCI
DCI
LITE
LITE
Q4 25
$3.0B
$4.8B
Q3 25
$3.0B
$4.6B
Q2 25
$3.0B
$4.2B
Q1 25
$3.0B
$4.0B
Q4 24
$3.0B
$4.0B
Q3 24
$2.9B
$4.0B
Q2 24
$2.9B
$3.9B
Q1 24
$2.8B
$4.2B
Debt / Equity
DCI
DCI
LITE
LITE
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×
Q1 24
0.26×

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
LITE
LITE
Operating Cash FlowLast quarter
$125.4M
$126.7M
Free Cash FlowOCF − Capex
$111.2M
$43.1M
FCF MarginFCF / Revenue
11.9%
6.5%
Capex IntensityCapex / Revenue
1.5%
12.6%
Cash ConversionOCF / Net Profit
1.10×
1.62×
TTM Free Cash FlowTrailing 4 quarters
$403.2M
$-29.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCI
DCI
LITE
LITE
Q4 25
$125.4M
$126.7M
Q3 25
$167.8M
$57.9M
Q2 25
$87.7M
$64.0M
Q1 25
$90.4M
$-1.6M
Q4 24
$72.9M
$24.3M
Q3 24
$126.0M
$39.6M
Q2 24
$141.5M
$35.5M
Q1 24
$87.0M
$-7.0M
Free Cash Flow
DCI
DCI
LITE
LITE
Q4 25
$111.2M
$43.1M
Q3 25
$147.5M
$-18.3M
Q2 25
$73.0M
$10.1M
Q1 25
$71.5M
$-64.4M
Q4 24
$47.9M
$-15.9M
Q3 24
$106.2M
$-34.5M
Q2 24
$120.2M
$10.9M
Q1 24
$65.7M
$-26.6M
FCF Margin
DCI
DCI
LITE
LITE
Q4 25
11.9%
6.5%
Q3 25
15.0%
-3.4%
Q2 25
7.8%
2.1%
Q1 25
8.2%
-15.1%
Q4 24
5.3%
-4.0%
Q3 24
11.4%
-10.2%
Q2 24
13.0%
3.5%
Q1 24
7.5%
-7.3%
Capex Intensity
DCI
DCI
LITE
LITE
Q4 25
1.5%
12.6%
Q3 25
2.1%
14.3%
Q2 25
1.6%
11.2%
Q1 25
2.2%
14.8%
Q4 24
2.8%
10.0%
Q3 24
2.1%
22.0%
Q2 24
2.3%
8.0%
Q1 24
2.4%
5.3%
Cash Conversion
DCI
DCI
LITE
LITE
Q4 25
1.10×
1.62×
Q3 25
1.47×
13.79×
Q2 25
1.52×
0.30×
Q1 25
0.94×
Q4 24
0.74×
Q3 24
1.15×
Q2 24
1.25×
Q1 24
0.88×

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%

LITE
LITE

Components$443.7M67%
Systems$221.8M33%

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