Proto Labs Inc

NYSE:PRLB USA Metal Fabrication
Market Cap
$1.35 Billion
Market Cap Rank
#6225 Global
#3532 in USA
Share Price
$56.72
Change (1 day)
+2.74%
52-Week Range
$31.12 - $67.52
All Time High
$251.49
About

Proto Labs, Inc., together with its subsidiaries, operates as a digital manufacturer of custom parts in the United States and Europe. It offers manufacturing services, such as molding, computer numerical control machining, 3D printing, and sheet metal to developers, engineers, and supply chain teams. The company was incorporated in 1999 and is headquartered in Maple Plain, Minnesota.

Market Cap & Net Worth: Proto Labs Inc (PRLB)

Proto Labs Inc (NYSE:PRLB) has a market capitalization of $1.35 Billion ($1.35 Billion) as of March 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #6225 globally and #3532 in its home market, demonstrating a -1.51% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Proto Labs Inc's stock price $56.72 by its total outstanding shares 23775160 (23.78 Million).

Proto Labs Inc Market Cap History: 2015 to 2026

Proto Labs Inc's market capitalization history from 2015 to 2026. Data shows change from $1.51 Billion to $1.35 Billion (-0.62% CAGR).

Index Memberships

Proto Labs Inc is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P Small-Cap 600 Index
SML
$1.36 Trillion 0.07% #373 of 602

Weight: Proto Labs Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Proto Labs Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Proto Labs Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

2.26x

Proto Labs Inc's market cap is 2.26 times its annual revenue

Industry average:
646.10x
Lower than industry average

Latest Price to Earnings (P/E) Ratio

56.63x

Proto Labs Inc's market cap is 56.63 times its annual earnings

Industry average:
3.54x
Higher than industry average
What These Ratios Tell Investors:
  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $1.22 Billion $298.06 Million $42.71 Million 4.10x 28.59x
2017 $2.45 Billion $344.49 Million $51.78 Million 7.11x 47.30x
2018 $2.68 Billion $445.60 Million $76.59 Million 6.02x 35.01x
2019 $2.41 Billion $458.73 Million $63.66 Million 5.26x 37.93x
2020 $3.65 Billion $434.39 Million $50.87 Million 8.40x 71.70x
2021 $1.22 Billion $488.10 Million $33.37 Million 2.50x 36.58x
2022 $606.98 Million $488.40 Million -$103.46 Million 1.24x N/A
2023 $926.28 Million $503.88 Million $17.22 Million 1.84x 53.79x
2024 $929.37 Million $500.89 Million $16.59 Million 1.86x 56.01x
2025 $1.20 Billion $533.13 Million $21.24 Million 2.26x 56.63x

Competitor Companies of PRLB by Market Capitalization

Companies near Proto Labs Inc in the global market cap rankings as of March 18, 2026.

Key companies related to Proto Labs Inc by market ranking:

  • Allegheny Technologies Incorporated (NYSE:ATI): Ranked #995 globally with a market cap of $19.84 Billion USD.
  • Carpenter Technology Corporation (NYSE:CRS): Ranked #1057 globally with a market cap of $18.51 Billion USD.
  • Mueller Industries Inc (NYSE:MLI): Ranked #1474 globally with a market cap of $11.97 Billion USD.
  • ESAB Corp (NYSE:ESAB): Ranked #2558 globally with a market cap of $5.64 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#995 Allegheny Technologies Incorporated NYSE:ATI $19.84 Billion $148.83
#1057 Carpenter Technology Corporation NYSE:CRS $18.51 Billion $381.46
#1474 Mueller Industries Inc NYSE:MLI $11.97 Billion $110.85
#2558 ESAB Corp NYSE:ESAB $5.64 Billion $99.50

Proto Labs Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, Proto Labs Inc's market cap moved from $1.51 Billion to $ 1.35 Billion, with a yearly change of -0.62%.

Year Market Cap Change (%)
2026 $1.35 Billion +12.12%
2025 $1.20 Billion +29.42%
2024 $929.37 Million +0.33%
2023 $926.28 Million +52.60%
2022 $606.98 Million -50.28%
2021 $1.22 Billion -66.53%
2020 $3.65 Billion +51.06%
2019 $2.41 Billion -9.97%
2018 $2.68 Billion +9.50%
2017 $2.45 Billion +100.58%
2016 $1.22 Billion -19.38%
2015 $1.51 Billion --

End of Day Market Cap According to Different Sources

On Mar 18th, 2026 the market cap of Proto Labs Inc was reported to be:

Source Market Cap
Yahoo Finance $1.35 Billion USD
MoneyControl $1.35 Billion USD
MarketWatch $1.35 Billion USD
marketcap.company $1.35 Billion USD
Reuters $1.35 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.