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Side-by-side financial comparison of 3M (MMM) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

3M is the larger business by last-quarter revenue ($6.0B vs $136.5M, roughly 44.2× Proto Labs Inc). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs 1.3%). 3M produced more free cash flow last quarter ($2.0B vs $8.4M). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (3.3% CAGR vs -1.8%).

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...

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

MMM vs PRLB — Head-to-Head

Bigger by revenue
MMM
MMM
44.2× larger
MMM
$6.0B
$136.5M
PRLB
Growing faster (revenue YoY)
PRLB
PRLB
+10.8% gap
PRLB
12.1%
1.3%
MMM
More free cash flow
MMM
MMM
$2.0B more FCF
MMM
$2.0B
$8.4M
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
3.3%
-1.8%
MMM

Income Statement — Q1 2026 vs Q4 2025

Metric
MMM
MMM
PRLB
PRLB
Revenue
$6.0B
$136.5M
Net Profit
$653.0M
Gross Margin
40.7%
44.2%
Operating Margin
23.2%
5.0%
Net Margin
10.8%
Revenue YoY
1.3%
12.1%
Net Profit YoY
-41.5%
EPS (diluted)
$1.23
$0.25

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
PRLB
PRLB
Q1 26
$6.0B
Q4 25
$6.1B
$136.5M
Q3 25
$6.5B
$135.4M
Q2 25
$6.3B
$135.1M
Q1 25
$6.0B
$126.2M
Q4 24
$6.0B
$121.8M
Q3 24
$6.3B
$125.6M
Q2 24
$6.3B
$125.6M
Net Profit
MMM
MMM
PRLB
PRLB
Q1 26
$653.0M
Q4 25
$577.0M
Q3 25
$834.0M
$7.2M
Q2 25
$723.0M
$4.4M
Q1 25
$1.1B
$3.6M
Q4 24
$728.0M
Q3 24
$1.4B
$7.2M
Q2 24
$1.1B
$4.5M
Gross Margin
MMM
MMM
PRLB
PRLB
Q1 26
40.7%
Q4 25
33.6%
44.2%
Q3 25
41.8%
45.3%
Q2 25
42.5%
44.3%
Q1 25
41.6%
44.1%
Q4 24
51.7%
42.7%
Q3 24
42.1%
45.6%
Q2 24
42.9%
45.0%
Operating Margin
MMM
MMM
PRLB
PRLB
Q1 26
23.2%
Q4 25
13.0%
5.0%
Q3 25
22.2%
6.5%
Q2 25
18.0%
3.7%
Q1 25
20.9%
3.6%
Q4 24
12.2%
-1.2%
Q3 24
20.9%
6.8%
Q2 24
20.3%
4.8%
Net Margin
MMM
MMM
PRLB
PRLB
Q1 26
10.8%
Q4 25
9.4%
Q3 25
12.8%
5.3%
Q2 25
11.4%
3.3%
Q1 25
18.7%
2.9%
Q4 24
12.1%
Q3 24
21.8%
5.7%
Q2 24
18.3%
3.6%
EPS (diluted)
MMM
MMM
PRLB
PRLB
Q1 26
$1.23
Q4 25
$1.07
$0.25
Q3 25
$1.55
$0.30
Q2 25
$1.34
$0.18
Q1 25
$2.04
$0.15
Q4 24
$1.33
$-0.01
Q3 24
$2.48
$0.29
Q2 24
$2.07
$0.18

Balance Sheet & Financial Strength

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

Metric
MMM
MMM
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$3.7B
$128.1M
Total DebtLower is stronger
$10.9B
Stockholders' EquityBook value
$3.3B
$673.9M
Total Assets
$35.4B
$763.4M
Debt / EquityLower = less leverage
3.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MMM
MMM
PRLB
PRLB
Q1 26
$3.7B
Q4 25
$128.1M
Q3 25
$119.2M
Q2 25
$103.2M
Q1 25
$96.8M
Q4 24
$103.1M
Q3 24
$100.5M
Q2 24
$112.9M
Total Debt
MMM
MMM
PRLB
PRLB
Q1 26
$10.9B
Q4 25
$12.6B
Q3 25
$12.6B
Q2 25
$13.1B
Q1 25
$13.5B
Q4 24
$13.0B
Q3 24
$13.2B
Q2 24
$13.1B
Stockholders' Equity
MMM
MMM
PRLB
PRLB
Q1 26
$3.3B
Q4 25
$4.7B
$673.9M
Q3 25
$4.6B
$664.7M
Q2 25
$4.3B
$664.7M
Q1 25
$4.5B
$656.8M
Q4 24
$3.8B
$670.2M
Q3 24
$4.6B
$680.0M
Q2 24
$3.9B
$685.2M
Total Assets
MMM
MMM
PRLB
PRLB
Q1 26
$35.4B
Q4 25
$37.7B
$763.4M
Q3 25
$37.6B
$756.9M
Q2 25
$38.0B
$743.3M
Q1 25
$40.0B
$737.5M
Q4 24
$39.9B
$743.5M
Q3 24
$40.9B
$753.8M
Q2 24
$43.4B
$758.2M
Debt / Equity
MMM
MMM
PRLB
PRLB
Q1 26
3.29×
Q4 25
2.68×
Q3 25
2.72×
Q2 25
3.06×
Q1 25
3.02×
Q4 24
3.40×
Q3 24
2.84×
Q2 24
3.34×

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
PRLB
PRLB
Operating Cash FlowLast quarter
$16.5M
Free Cash FlowOCF − Capex
$2.0B
$8.4M
FCF MarginFCF / Revenue
33.6%
6.2%
Capex IntensityCapex / Revenue
5.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$3.7B
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MMM
MMM
PRLB
PRLB
Q1 26
Q4 25
$1.6B
$16.5M
Q3 25
$1.8B
$29.1M
Q2 25
$-954.0M
$10.6M
Q1 25
$-79.0M
$18.4M
Q4 24
$1.8B
$17.3M
Q3 24
$-1.8B
$24.8M
Q2 24
$1.0B
$14.4M
Free Cash Flow
MMM
MMM
PRLB
PRLB
Q1 26
$2.0B
Q4 25
$1.3B
$8.4M
Q3 25
$1.5B
$25.0M
Q2 25
$-1.2B
$9.1M
Q1 25
$-315.0M
$17.1M
Q4 24
$1.5B
$16.5M
Q3 24
$-2.0B
$23.2M
Q2 24
$752.0M
$10.2M
FCF Margin
MMM
MMM
PRLB
PRLB
Q1 26
33.6%
Q4 25
21.8%
6.2%
Q3 25
23.6%
18.5%
Q2 25
-18.3%
6.7%
Q1 25
-5.3%
13.6%
Q4 24
25.4%
13.5%
Q3 24
-32.3%
18.5%
Q2 24
12.0%
8.2%
Capex Intensity
MMM
MMM
PRLB
PRLB
Q1 26
Q4 25
4.0%
5.9%
Q3 25
3.3%
3.0%
Q2 25
3.3%
1.1%
Q1 25
4.0%
1.0%
Q4 24
4.8%
0.7%
Q3 24
3.9%
1.2%
Q2 24
4.3%
3.3%
Cash Conversion
MMM
MMM
PRLB
PRLB
Q1 26
Q4 25
2.74×
Q3 25
2.11×
4.03×
Q2 25
-1.32×
2.39×
Q1 25
-0.07×
5.11×
Q4 24
2.50×
Q3 24
-1.30×
3.44×
Q2 24
0.89×
3.18×

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%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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