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Side-by-side financial comparison of 3M (MMM) and Western Digital (WDC). Click either name above to swap in a different company.

3M is the larger business by last-quarter revenue ($6.0B vs $3.3B, roughly 1.8× Western Digital). Western Digital runs the higher net margin — 96.0% vs 10.8%, a 85.2% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs 1.3%). 3M produced more free cash flow last quarter ($2.0B vs $978.0M). Over the past eight quarters, 3M's revenue compounded faster (-1.8% CAGR vs -9.7%).

The 3M Company is an American multinational conglomerate operating in the fields of industry, worker safety, and consumer goods. Based in the Saint Paul suburb of Maplewood, the company produces over 60,000 products, including adhesives, abrasives, laminates, passive fire protection, personal protective equipment, window films, paint protection film, electrical, electronic connecting, insulating materials, car-care products, electronic circuits, and optical films. Among its best-known consume...

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).

MMM vs WDC — Head-to-Head

Bigger by revenue
MMM
MMM
1.8× larger
MMM
$6.0B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+44.2% gap
WDC
45.5%
1.3%
MMM
Higher net margin
WDC
WDC
85.2% more per $
WDC
96.0%
10.8%
MMM
More free cash flow
MMM
MMM
$1.0B more FCF
MMM
$2.0B
$978.0M
WDC
Faster 2-yr revenue CAGR
MMM
MMM
Annualised
MMM
-1.8%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
MMM
MMM
WDC
WDC
Revenue
$6.0B
$3.3B
Net Profit
$653.0M
$3.2B
Gross Margin
40.7%
50.2%
Operating Margin
23.2%
35.7%
Net Margin
10.8%
96.0%
Revenue YoY
1.3%
45.5%
Net Profit YoY
-41.5%
516.3%
EPS (diluted)
$1.23
$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
MMM
MMM
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$6.0B
$3.0B
Q4 25
$6.1B
$2.8B
Q3 25
$6.5B
Q2 25
$6.3B
$-1.2B
Q1 25
$6.0B
$2.3B
Q4 24
$6.0B
$4.3B
Net Profit
MMM
MMM
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$653.0M
$1.8B
Q4 25
$577.0M
$1.2B
Q3 25
$834.0M
Q2 25
$723.0M
$282.0M
Q1 25
$1.1B
$520.0M
Q4 24
$728.0M
$594.0M
Gross Margin
MMM
MMM
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
40.7%
45.7%
Q4 25
33.6%
43.5%
Q3 25
41.8%
Q2 25
42.5%
Q1 25
41.6%
39.8%
Q4 24
51.7%
35.4%
Operating Margin
MMM
MMM
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
23.2%
30.1%
Q4 25
13.0%
28.1%
Q3 25
22.2%
Q2 25
18.0%
Q1 25
20.9%
33.1%
Q4 24
12.2%
19.9%
Net Margin
MMM
MMM
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
10.8%
61.1%
Q4 25
9.4%
41.9%
Q3 25
12.8%
Q2 25
11.4%
-24.4%
Q1 25
18.7%
22.7%
Q4 24
12.1%
13.9%
EPS (diluted)
MMM
MMM
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$1.23
$4.73
Q4 25
$1.07
$3.07
Q3 25
$1.55
Q2 25
$1.34
$0.72
Q1 25
$2.04
$1.42
Q4 24
$1.33
$1.63

Balance Sheet & Financial Strength

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

Metric
MMM
MMM
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$3.7B
$2.0B
Total DebtLower is stronger
$10.9B
$1.6B
Stockholders' EquityBook value
$3.3B
$9.7B
Total Assets
$35.4B
$15.0B
Debt / EquityLower = less leverage
3.29×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MMM
MMM
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$3.7B
$2.0B
Q4 25
$2.0B
Q3 25
Q2 25
$2.1B
Q1 25
$3.5B
Q4 24
$2.3B
Total Debt
MMM
MMM
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$10.9B
$4.7B
Q4 25
$12.6B
$4.7B
Q3 25
$12.6B
Q2 25
$13.1B
$4.7B
Q1 25
$13.5B
$7.3B
Q4 24
$13.0B
$7.4B
Stockholders' Equity
MMM
MMM
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$3.3B
$7.1B
Q4 25
$4.7B
$5.9B
Q3 25
$4.6B
Q2 25
$4.3B
$5.3B
Q1 25
$4.5B
$5.2B
Q4 24
$3.8B
$12.1B
Total Assets
MMM
MMM
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$35.4B
$15.6B
Q4 25
$37.7B
$14.4B
Q3 25
$37.6B
Q2 25
$38.0B
$14.0B
Q1 25
$40.0B
$16.4B
Q4 24
$39.9B
$25.5B
Debt / Equity
MMM
MMM
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
3.29×
0.65×
Q4 25
2.68×
0.80×
Q3 25
2.72×
Q2 25
3.06×
0.89×
Q1 25
3.02×
1.42×
Q4 24
3.40×
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
MMM
MMM
WDC
WDC
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$2.0B
$978.0M
FCF MarginFCF / Revenue
33.6%
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.35×
TTM Free Cash FlowTrailing 4 quarters
$3.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MMM
MMM
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$1.6B
$672.0M
Q3 25
$1.8B
Q2 25
$-954.0M
$746.0M
Q1 25
$-79.0M
$508.0M
Q4 24
$1.8B
$403.0M
Free Cash Flow
MMM
MMM
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
$2.0B
Q4 25
$1.3B
$599.0M
Q3 25
$1.5B
Q2 25
$-1.2B
$675.0M
Q1 25
$-315.0M
$379.0M
Q4 24
$1.5B
$287.0M
FCF Margin
MMM
MMM
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
33.6%
Q4 25
21.8%
21.3%
Q3 25
23.6%
Q2 25
-18.3%
-58.5%
Q1 25
-5.3%
16.5%
Q4 24
25.4%
6.7%
Capex Intensity
MMM
MMM
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
4.0%
2.6%
Q3 25
3.3%
Q2 25
3.3%
-6.2%
Q1 25
4.0%
5.6%
Q4 24
4.8%
2.7%
Cash Conversion
MMM
MMM
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
2.74×
0.57×
Q3 25
2.11×
Q2 25
-1.32×
2.65×
Q1 25
-0.07×
0.98×
Q4 24
2.50×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MMM
MMM

Safety and Industrial business segment$2.9B49%
Transportation and Electronics business segment$1.8B31%
Consumer business segment$1.1B19%
Corporate$121.0M2%

WDC
WDC

Segment breakdown not available.

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