Proto Labs Inc (PRLB) stock

PRLBNYSEFabricated Structural Metal ProductsFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 14/3048% above fair value

$68.61−0.50 (-0.72%)

Close on Nov 12, 2026Market cap $1.64BP/E 48.0Yield –

Proto Labs price to book ratio

The price-to-book ratio is market cap divided by shareholders' equity.

Proto Labs's price to book ratio was 2.4× on Nov 11, 2026, against 1.8× a year earlier. Over the last 5 years it ranged from 0.9× to 3.3×, with a median of 1.4×.

Price to Book Ratio at the end of each year

Period	Period end	Value	Change (pts)
2026	Nov 11, 2026	2.4×	+0.6
2025	Dec 31, 2025	1.8×	+0.4
2024	Dec 31, 2024	1.4×	−0.1
2023	Dec 29, 2023	1.5×	+0.6
2022	Dec 30, 2022	0.9×	−0.9
2021	Dec 31, 2021	1.7×	−4.8
2020	Dec 31, 2020	6.6×	+1.7
2019	Dec 31, 2019	4.8×	−0.9
2018	Dec 31, 2018	5.7×	−0.6
2017	Dec 29, 2017	6.4×	+2.7
2016	Dec 30, 2016	3.7×	−1.6
2015	Dec 31, 2015	5.3×	−1.5
2014	Dec 31, 2014	6.8×	−2.3
2013	Dec 31, 2013	9.2×	+2.4
2012	Dec 31, 2012	6.8×	–