Proto Labs, Inc. (PRLB)
NYSE
Price as at 30 Sept 2026, 23:46 UTC. Quotes are delayed.
Fundamentals
Valuation and ratings
Proto Labs, Inc. trades at $94.85. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.
About Proto Labs, Inc.
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.
Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.
Super investor ownership
12 of the funds we track reported a position in their latest SEC 13F filing. Largest first:
- Renaissance Technologies, RENAISSANCE TECHNOLOGIES LLC$38.25M · 0.1% of book
- Arrowstreet Capital, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$35.93M · 0.0% of book
- D. E. Shaw, D. E. Shaw & Co., Inc.$17.23M · 0.0% of book
- Israel Englander, MILLENNIUM MANAGEMENT LLC$7.58M · 0.0% of book
- Ken Griffin, CITADEL ADVISORS LLC$7.22M · 0.0% of book
A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.
Politician trades in PRLB
Trades in PRLB disclosed by members of Congress and executive-branch officials, latest first:
- Greg Gianforte · HouseSell · $100,001 - $250,000 · traded 28 Oct 2020 · disclosed 9 Nov 2020
- Greg Gianforte · HouseBuy · $100,001 - $250,000 · traded 6 Sept 2019 · disclosed 1 Oct 2019
A disclosure reports a value band, not an amount, and is due up to 45 days after the trade; some arrive later. Every filer we track, each with their own page, is on the Congress trading tracker.
Common questions
Which funds own PRLB?
12 of the institutions we track reported a position in PRLB in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.
Where does SteadyShares get its PRLB data?
Fundamentals for PRLB come from company filings and exchange data, as listed on NYSE; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 30 Sept 2026, 23:46 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.
The full research page for PRLB, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.
Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.