Proto Labs Inc. Common stock (PRLB)

FairStock Score: 41/100 — MIXED

Key Financials

AI Analysis

AI-generated, general educational analysis — not personal investment advice.

Proto Labs is a digital manufacturer of custom parts - molding, CNC machining, 3D printing, and sheet metal - serving engineers and supply-chain teams. At the 2026-10-13 close of $91.82, FairStock's calculations show a P/E of 72.87, P/B of 3.17, EV/EBITDA of 28.07, and FCF yield of 2.6%. Those are not Graham-like bargain numbers; the Graham Number is $28.63, leaving the price about 220.71% above that rough asset-and-earnings anchor. The balance sheet is the best part: D/E is 0.00, Altman Z is 14.22, and Piotroski F-Score is 8/9. But quality of returns is weak: ROE is 4.49% and ROCE is 3.35%, so the business is not compounding capital at high rates. Growth has turned up. In fiscal Q2 2026, the quarter ended 2026-06-30, revenue was $149.3M and net income was $9.2M, or diluted EPS $0.37. A year earlier, in fiscal Q2 2025, the quarter ended 2025-06-30, revenue was $135.1M and net income was $4.4M, or diluted EPS $0.18. That is real improvement, but the margin is still only about 6.13% in the latest quarter. The Lynch screen calls it a turnaround - returned to profit after a loss within the last three years. PEG of 0.68 suggests growth could justify a high multiple if it persists, but I prefer to see durable margins and higher returns before paying this price. The company has staying power; the stock price already assumes a lot.

In plain English: Proto Labs makes custom parts for engineers using molding, machining, 3D printing, and sheet metal. The business is profitable and carries no debt, but profit margins and returns on money are low. At the recent price of $91.82, the shares look expensive compared with those profits and net assets.

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Data as of 2026-10-13 close · note generated 2026-10-15 · model deepseek-flash

Sources (SEC EDGAR): fiscal Q2 2026 10-Q (period ended 2026-06-30) · fiscal Q1 2026 10-Q (period ended 2026-03-31) · fiscal Q3 2025 10-Q (period ended 2025-09-30) · fiscal Q2 2025 10-Q (period ended 2025-06-30) · FY2025 10-K (period ended 2025-12-31) · FY2024 10-K (period ended 2024-12-31) · FY2023 10-K (period ended 2023-12-31)

Fundamentals from company filings and market-data providers; prices are end-of-day, not real-time. AI-generated analysis is general and educational — not personal investment advice. Scoring methodology · Score test · Disclaimer