| PRLB Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the PRLB market cap history going back to 5/1/2012:
Also see: PRLB Shares Outstanding History and PRLB YTD Return |
PRLB Market Cap History — Proto Labs Capitalization Over Time
As of 4/28/2026 Proto Labs has a market cap of 1.52 billion. Investors often follow the PRLB market cap history to compare the size of the company over time.
This page shows PRLB market capitalization trends over time, with 57 market cap datapoints presented, dating back to 5/1/2012.
| PRLB Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PRLB Historical Market Cap: +3.59% CAGR 
Mouse over chart for data details
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| PRLB Stock Price Chart |
| About Proto Labs Inc |
| Proto Labs, Inc. is a provider of comprehensive digital manufacturing service. Co. utilizes injection molding, computer numerical control (CNC) machining, three-dimensional (3D) printing and sheet metal fabrication to manufacture custom parts for its customers. Co. targets its products to product developers and engineers who use 3D computer-aided design (CAD) software to design products across a diverse range of end-markets, to the procurement and supply chain professionals seeking to source custom parts on-demand, and to various customers seeking to purchase low-volume custom parts. We show 57 historical shares outstanding datapoints in our PRLB shares outstanding history coverage, used to compute PRLB market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing PRLB market cap history over the course of time is important for investors interested in comparing PRLB's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of PRLB versus a peer is one thing; comparing PRLB market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like PRLB can fluctuate over the course of history. With this page we aim to empower investors researching PRLB by allowing them to research the PRLB market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| PRLB Share Performance |
| Market Cap Peers |
| Proto Labs (PRLB) is categorized under the Technology sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
PRO Market Cap History PRSP Market Cap History PRST Market Cap History PS Market Cap History PSDO Market Cap History PSN Market Cap History PSQH Market Cap History PSTG Market Cap History PTC Market Cap History PVTL Market Cap History More Technology companies » |
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