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Proto Labs Inc
PRLB - CIK 0001443669
Market cap$1.84 B
Rank#2164
SEC filings878
Market capitalization of Proto Labs Inc
As of 2026-06-11, Proto Labs Inc (PRLB) has a market capitalization of $1.84 B, making it the #2164 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-11 | $1.84 B |
| 2026-06-10 | $1.77 B |
| 2026-05-29 | $1.81 B |
| 2026-05-28 | $1.77 B |
| 2026-05-26 | $1.77 B |
| 2026-05-25 | $1.70 B |
| 2026-05-24 | $1.70 B |
| 2026-05-22 | $1.70 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is Proto Labs Inc's market cap?
As of 2026-06-11, Proto Labs Inc (PRLB) has a market capitalization of $1.84 B, making it the #2164 most valuable US-listed company.
Where does Proto Labs Inc rank by market cap?
Proto Labs Inc is the #2164 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.