Stocktoria

Proto Labs Inc PRLB

NYSE · stock · Fabricated Structural Metal Products · website · IPO 2012-02-24 · LEI

Proto Labs Inc statistics & valuation

P / E90.4×
P / S3.6×
P / B2.8×
P / FCF32.2×
Net margin4.0%
FCF margin11.2%
Return on capital3.6%
Graham number -74.2%$23.46

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($23.46); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
14.30% 15.00% 17.20% 13.90% 11.70% 6.80% -21.20% 3.40% 3.30% 4.00% 2016201720182019202020212022202320242025
Gross margin (%)
56.00% 56.30% 53.60% 51.30% 50.10% 45.60% 44.10% 44.10% 44.60% 44.50% 2016201720182019202020212022202320242025
Operating margin (%)
20.70% 21.00% 20.00% 17.40% 13.80% 8.30% -20.10% 5.60% 4.00% 4.70% 2016201720182019202020212022202320242025
Return on equity (%)
11.20% 11.20% 14.10% 10.90% 7.90% 4.00% -14.80% 2.50% 2.50% 3.20% 2016201720182019202020212022202320242025
Shares outstanding
26.6M 26.8M 27.3M 27.0M 26.9M 27.7M 27.4M 26.2M 25.2M 24.2M 2016201720182019202020212022202320242025
Net debt ($)
2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
10.30% 10.00% 12.40% 9.40% 6.80% 3.60% -12.90% 2.20% 2.20% 2.80% 2016201720182019202020212022202320242025
Free cash flow margin (%)
14.70% 14.30% 8.00% 11.70% 13.80% 4.30% 8.30% 9.00% 13.70% 11.20% 2016201720182019202020212022202320242025
Debt / equity (×)
2016201720182019202020212022202320242025
EPS ($)
$1.61 $1.93 $2.81 $2.35 $1.89 $1.21 -$3.77 $0.66 $0.66 $0.88 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

Proto Labs Inc trades at about 103.2× earnings — above its 10-year norm (10-year range 31.1×–112.1×, median 54.7×).

31.1× 112.1×

Shaded band = 10-year range (31.1×–112.1×); dot = today's 103.2×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Gross margin44.5%44.6%44.1%44.1%45.6%50.1%51.3%53.6%56.3%56.0%
Operating margin4.7%4.0%5.6%-20.1%8.3%13.8%17.4%20.0%21.0%20.7%
Net margin4.0%3.3%3.4%-21.2%6.8%11.7%13.9%17.2%15.0%14.3%
FCF margin11.2%13.7%9.0%8.3%4.3%13.8%11.7%8.0%14.3%14.7%
Return on assets2.8%2.2%2.2%-12.9%3.6%6.8%9.4%12.4%10.0%10.3%
Return on equity3.2%2.5%2.5%-14.8%4.0%7.9%10.9%14.1%11.2%11.2%
Current ratio3.493.664.042.613.344.824.974.083.776.74

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.