Grade My Investments
HomeFree Stock Grades › PRLB

Proto Labs, Inc. (PRLB) Stock Grade

PRLB · Industrials

A+
Grade updated: July 18, 2026
Computed by the GradeMyInvestments scoring model from revenue growth, profitability, balance-sheet strength, and analyst targets.
Market Cap
$1.2B
P/E Ratio
57.0
Revenue Growth (YoY)
+6.4%
Net Margin
4.0%
Return on Equity
3.2%
Dividend Yield
None

About Proto Labs, Inc.'s fundamentals

Proto Labs operates with a market capitalization of $1.2 billion and generated 6.4% year-over-year revenue growth, indicating modest business expansion. However, the company's profitability metrics are notably constrained, with a net margin of just 4.0% and a return on equity of 3.2%, suggesting limited earnings relative to both revenue and shareholder capital. The stock trades at a P/E ratio of 57.0, which is elevated relative to the company's current profitability, and the company does not pay a dividend.

Track PRLB free — no credit card required. Live grade + monthly AI report →