What is Proto Labs's price / book?

Proto Labs (PRLB) reported price / book of 2× in Q1 2026.

How has Proto Labs's price / book changed year-over-year?

Proto Labs's price / book increased by 53.5% year-over-year, from 1.3× to 2×.

What is the long-term trend for Proto Labs's price / book?

Over 5 years (2020 to 2025), Proto Labs's price / book has grown at a -23.0% compound annual growth rate (CAGR), from 6.6× to 1.8×.

What does price / book mean?

Market capitalization at the quarter end divided by shareholders' equity. The premium (or discount) the market assigns to the company's book equity.

Proto Labs PRLB Price / book

Price / book at other companies

Xometry, Inc.XMTR

7.5×+3.5×

Standex InternationalSXI

4.1×+1.3×

OTT

Otter TailOTTR

1.9×0.0×

KennametalKMT

2×+0.7×

Benchmark ElectronicsBHE

1.8×+0.6×

Barnes GroupB

1.6×+0.3×

Other financials

Income statement

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Revenue$139.3M+10.4%

Gross profit$63.6M+14.2%

Operating income$9.8M+117%

Net income$8.1M+125%

EPS (diluted)$0.33+120%

Balance sheet

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Cash & equivalents$124.0M+49.9%

Total debt$2.6M-16.6%

Total equity$683.1M+4.0%

Total assets$778.6M+5.6%

Cash flow

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Operating cash flow$17.5M-4.6%

CapEx$3.5M+181%

Free cash flow$14.0M-18.2%

Valuation

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Market cap$1.9B+59.7%

Profitability

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Gross margin44.9%+0.5pp

Operating margin5.6%+1.7pp

Net margin4.7%+1.6pp

FCF margin10.4%-3.1pp

Returns & leverage

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Return on equity3.8%+1.6pp

Debt / equity0×0.0×

Current ratio3.5×+0.4×

Where this comes from

Calculated from Proto Labs’s reported figures.

market cap/total stockholders equity=2×

Based on the most recent quarter.

The official record: Proto Labs’s 10-Q, filed May 1, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Proto Labs's price / book?: Proto Labs (PRLB) reported price / book of 2× in Q1 2026.
How has Proto Labs's price / book changed year-over-year?: Proto Labs's price / book increased by 53.5% year-over-year, from 1.3× to 2×.
What is the long-term trend for Proto Labs's price / book?: Over 5 years (2020 to 2025), Proto Labs's price / book has grown at a -23.0% compound annual growth rate (CAGR), from 6.6× to 1.8×.
What does price / book mean?: Market capitalization at the quarter end divided by shareholders' equity. The premium (or discount) the market assigns to the company's book equity.