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Side-by-side financial comparison of Ecolab (ECL) and Western Digital (WDC). Click either name above to swap in a different company.

Ecolab is the larger business by last-quarter revenue ($4.1B vs $3.3B, roughly 1.2× Western Digital). Western Digital runs the higher net margin — 96.0% vs 10.6%, a 85.4% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 10.0%). Over the past eight quarters, Ecolab's revenue compounded faster (1.0% CAGR vs -9.7%).

Ecolab Inc., headquartered in Saint Paul, Minnesota, provides products related to water treatment, sanitation, and hygiene, primarily to commercial and industrial customers.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

ECL vs WDC — Head-to-Head

Bigger by revenue
ECL
ECL
1.2× larger
ECL
$4.1B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+35.4% gap
WDC
45.5%
10.0%
ECL
Higher net margin
WDC
WDC
85.4% more per $
WDC
96.0%
10.6%
ECL
Faster 2-yr revenue CAGR
ECL
ECL
Annualised
ECL
1.0%
-9.7%
WDC

Income Statement — Q2 FY2026 vs Q1 FY2027

Metric
ECL
ECL
WDC
WDC
Revenue
$4.1B
$3.3B
Net Profit
$432.6M
$3.2B
Gross Margin
50.2%
Operating Margin
15.3%
35.7%
Net Margin
10.6%
96.0%
Revenue YoY
10.0%
45.5%
Net Profit YoY
1.3%
516.3%
EPS (diluted)
$1.52
$8.20

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
ECL
ECL
WDC
WDC
Q3 26
$3.3B
Q2 26
$4.1B
$3.0B
Q1 26
$3.0B
Q4 25
$4.2B
$2.8B
Q3 25
$4.2B
Q2 25
$4.0B
$-1.2B
Q1 25
$3.7B
$2.3B
Q4 24
$4.0B
$4.3B
Net Profit
ECL
ECL
WDC
WDC
Q3 26
$3.2B
Q2 26
$432.6M
$1.8B
Q1 26
$1.8B
Q4 25
$563.9M
$1.2B
Q3 25
$585.0M
Q2 25
$524.2M
$282.0M
Q1 25
$402.5M
$520.0M
Q4 24
$472.9M
$594.0M
Gross Margin
ECL
ECL
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
45.7%
Q4 25
44.0%
43.5%
Q3 25
44.8%
Q2 25
44.8%
Q1 25
44.2%
39.8%
Q4 24
43.3%
35.4%
Operating Margin
ECL
ECL
WDC
WDC
Q3 26
35.7%
Q2 26
15.3%
30.1%
Q1 26
30.1%
Q4 25
17.0%
28.1%
Q3 25
18.3%
Q2 25
17.6%
Q1 25
15.0%
33.1%
Q4 24
14.6%
19.9%
Net Margin
ECL
ECL
WDC
WDC
Q3 26
96.0%
Q2 26
10.6%
61.1%
Q1 26
61.1%
Q4 25
13.4%
41.9%
Q3 25
14.0%
Q2 25
13.0%
-24.4%
Q1 25
10.9%
22.7%
Q4 24
11.8%
13.9%
EPS (diluted)
ECL
ECL
WDC
WDC
Q3 26
$8.20
Q2 26
$1.52
$4.73
Q1 26
$4.73
Q4 25
$1.98
$3.07
Q3 25
$2.05
Q2 25
$1.84
$0.72
Q1 25
$1.41
$1.42
Q4 24
$1.65
$1.63

Balance Sheet & Financial Strength

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

Metric
ECL
ECL
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$519.8K
$2.0B
Total DebtLower is stronger
$8.5M
$1.6B
Stockholders' EquityBook value
$10.0M
$9.7B
Total Assets
$25.0M
$15.0B
Debt / EquityLower = less leverage
0.85×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ECL
ECL
WDC
WDC
Q3 26
$2.0B
Q2 26
$519.8K
$2.0B
Q1 26
$2.0B
Q4 25
$646.2M
$2.0B
Q3 25
$2.0B
Q2 25
$1.9B
$2.1B
Q1 25
$1.2B
$3.5B
Q4 24
$1.3B
$2.3B
Total Debt
ECL
ECL
WDC
WDC
Q3 26
$1.6B
Q2 26
$8.5M
$4.7B
Q1 26
$4.7B
Q4 25
$7.4B
$4.7B
Q3 25
$8.1B
Q2 25
$7.5B
$4.7B
Q1 25
$7.0B
$7.3B
Q4 24
$6.9B
$7.4B
Stockholders' Equity
ECL
ECL
WDC
WDC
Q3 26
$9.7B
Q2 26
$10.0M
$7.1B
Q1 26
$7.1B
Q4 25
$9.8B
$5.9B
Q3 25
$9.7B
Q2 25
$9.3B
$5.3B
Q1 25
$8.9B
$5.2B
Q4 24
$8.8B
$12.1B
Total Assets
ECL
ECL
WDC
WDC
Q3 26
$15.0B
Q2 26
$25.0M
$15.6B
Q1 26
$15.6B
Q4 25
$24.7B
$14.4B
Q3 25
$23.9B
Q2 25
$23.7B
$14.0B
Q1 25
$22.4B
$16.4B
Q4 24
$22.4B
$25.5B
Debt / Equity
ECL
ECL
WDC
WDC
Q3 26
0.16×
Q2 26
0.85×
0.65×
Q1 26
0.65×
Q4 25
0.75×
0.80×
Q3 25
0.83×
Q2 25
0.81×
0.89×
Q1 25
0.79×
1.42×
Q4 24
0.79×
0.61×

Cash Flow & Capital Efficiency

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

Metric
ECL
ECL
WDC
WDC
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$978.0M
FCF MarginFCF / Revenue
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.35×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ECL
ECL
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$1.1B
$672.0M
Q3 25
$791.3M
Q2 25
$701.8M
$746.0M
Q1 25
$369.4M
$508.0M
Q4 24
$766.7M
$403.0M
Free Cash Flow
ECL
ECL
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$758.0M
$599.0M
Q3 25
$529.7M
Q2 25
$485.1M
$675.0M
Q1 25
$131.5M
$379.0M
Q4 24
$407.0M
$287.0M
FCF Margin
ECL
ECL
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
18.1%
21.3%
Q3 25
12.7%
Q2 25
12.1%
-58.5%
Q1 25
3.6%
16.5%
Q4 24
10.2%
6.7%
Capex Intensity
ECL
ECL
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
7.9%
2.6%
Q3 25
6.3%
Q2 25
5.4%
-6.2%
Q1 25
6.4%
5.6%
Q4 24
9.0%
2.7%
Cash Conversion
ECL
ECL
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
1.93×
0.57×
Q3 25
1.35×
Q2 25
1.34×
2.65×
Q1 25
0.92×
0.98×
Q4 24
1.62×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ECL
ECL

Product and equipment sales$3.2B78%
Service and lease sales$891.5M22%

WDC
WDC

Segment breakdown not available.

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