PRLB
Proto Labs, Inc.
A digital manufacturer that makes custom plastic and metal parts on demand, offering rapid prototyping and production through injection molding, CNC machining, 3D printing, and sheet metal — serving everyone from startups to aerospace and medical companies. It was founded in 1999 in a Minnesota garage by engineer Larry Lukis, who wrote over a million lines of software to automate the slow process of getting prototype parts. That garage coding habit became its secret sauce: the company still uses software to quote and route parts, shipping many in as little as one day.
CUSIP: 743713109IndustrialsUS4 holders
Recent Activity
2026Q2
4 sells
-10.3K shares(-22.5%)
ARK InvestTRIM
-10.3K shares(-22.5%)
-7.7K shares
-7.7K shares
-2.6K shares(-6.9%)
-2.6K shares(-6.9%)
-14.5K shares(-29.0%)
-14.5K shares(-29.0%)
2026Q1
2 buys2 sells
-11.0K shares(-19.5%)
ARK InvestTRIM
-11.0K shares(-19.5%)
+7.7K shares
+7.7K shares
+33.4K shares(+806.3%)
+33.4K shares(+806.3%)
-10.6K shares(-17.5%)
-10.6K shares(-17.5%)
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