PRLBProto Labs, Inc.

$78.74

Is the business good?

How good a business is PRLB?

Proto Labs, Inc. earns 5.3% on the capital it employs against a 9.0% cost of capital, so growth costs more than it returns.

5.3%

Return on invested capital · cost of capital 9.0% · 3.7 points below what the capital costs: growth destroys value

Operating margin
6.6%

Operating margin · Metal Fabrication median 11% · 12 months to Q2 2026

Cash conversion
1.86×

Cash conversion · every dollar of reported profit arrived as cash, and more

Share count, year on year
+1.3%

Share count, year on year · shareholders own a smaller slice than a year ago

Operating margin by fiscal year
YearOperating margin
FY202014%
FY20218.3%
FY2022−20%
FY20235.6%
FY20244.0%
FY20254.7%
Details
Gross margin12 months to Q2 2026
45%
Operating margin12 months to Q2 2026
6.6%
Net margin12 months to Q2 2026
5.4%
Free cash flow margin
10%
R&D as % of revenue
7.6%
Revenue, trailing twelve months
$561M
Free cash flow, trailing twelve months
$57M
Net income, trailing twelve months
$30M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
5.3%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.