Proto Labs, Inc.
In the published model solve dated 2026-Q2, anchored at $79.74, Proto Labs, Inc. (PRLB) is priced for today's economics sustained for ~14.3 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. The narrative was composed June 27, 2026 from SEC EDGAR filings.
- At about $81 the stock is paying roughly 30 times normalized operating income, a level the asset, earnings-power, and peer-multiple frames all read as rich. Only the forward-growth models reach the price, so what you buy is a bet on durable compounding the static frames cannot capture. - The first quarter of 2026 was a record, with revenue of $139.3 million up 10.4% from a year earlier and CNC machining up 19.7%, and management guided full-year revenue growth of 6% to 8%. The growth is real; t
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251 institutional managers reported holding PRLB in 13F filings for the quarter ended 2026-03-31. Together they hold about 91% of the company; the top 10 hold 58%. 47 opened new positions that quarter. Held by BlackRock, Vanguard Group, Dimensional Fund Advisors, among others. On the short side, 700k shares were sold short as of the 2026-06-15 count, about 3% of shares outstanding (3.3 days of typical volume to cover).
Quarterly 13F filings arrive up to 45 days after quarter end, so the picture is never current (filed through 2026-05-29). Nothing here is investment advice.
PRLB has cut its share count 14.1% over the past five years, spending $198.92M on repurchases. It pays no dividend. Cash returned over the past three years: $117.13M in repurchases.
Share counts are split-adjusted; repurchase totals are gross of share issuance. Nothing here is investment advice.
Open-market insider buys at PRLB over the trailing three years: 2024: 1 buy totaling $100k; 2025: 2 buys totaling $150k. 13 officers and directors are on file.
Code P open-market purchases from SEC Form 4 filings, non-derivative, excluding scheduled 10b5-1 plans. Nothing here is investment advice.
PRLB's recent reports: the day-one move, then what the following quarter actually did.
| report | day one | next quarter |
|---|---|---|
| 2023-08-05 | -3.6% | -15.0% |
| 2023-11-04 | +30.4% | +14.4% |
| 2024-02-17 | -4.3% | -12.1% |
| 2024-05-04 | -0.2% | -1.2% |
Day-one is the close-to-close move around the filing. Nothing here is investment advice.
PRLB's latest 8-K filings: 2026-08-24 (items 7.01, 9.01); 2026-07-31 (items 2.02, 9.01); 2026-05-20 (items 5.02, 5.07, 9.01); 2026-05-07 (items 5.02, 7.01, 9.01); 2026-05-01 (items 2.02, 9.01).
Item codes are the SEC's own classification of what each report discloses. Dates link to the filing on EDGAR. Nothing here is investment advice.
Model solve date: 2026-Q2
Narrative composed: June 27, 2026
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For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.