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Proto Labs Inc (PRLB) Stock Fundamental Analysis & AI Rating 2026

PRLB NYSE Fabricated Structural Metal Products MN CIK: 0001443669
Recently Updated • Analysis: May 6, 2026 • SEC Data: 2026-03-31
Combined AI Rating
HOLD
72% Confidence
N/A
HOLD
72% Conf
Pending
Analysis scheduled

📊 PRLB Key Takeaways

Revenue: $139.3M
Net Margin: 5.8%
Free Cash Flow: $14.0M
Current Ratio: 3.51x
Debt/Equity: 0.00x
EPS: $0.33
AI Rating: HOLD with 72% confidence
Proto Labs Inc (PRLB) receives a HOLD rating with 72% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $139.3M, net profit margin of 5.8%, and return on equity (ROE) of 1.2%, Proto Labs Inc demonstrates mixed fundamentals in the Materials sector. Below is our complete PRLB stock analysis for 2026.

Is Proto Labs Inc (PRLB) a Good Investment?

Claude

Proto Labs demonstrates fortress-like financial health with a clean balance sheet ($124M cash, minimal debt) and strong liquidity, but is severely underutilizing its capital base with ROE of only 1.2% and ROA of 1.0%. While FCF generation is solid and EPS growth is positive, the fundamentally weak returns on assets raise concerns about competitive positioning, operational efficiency, or strategic capital allocation challenges that outweigh the balance sheet strength.

Why Buy Proto Labs Inc Stock? PRLB Key Strengths

Claude
  • + Fortress balance sheet with $124M cash reserves and negligible debt ($149K), providing significant financial flexibility
  • + Exceptional liquidity ratios (3.51x current, 3.30x quick) ensure no near-term solvency risk
  • + Positive free cash flow of $14M with 10% FCF margin demonstrates ability to convert revenue to cash

PRLB Stock Risks: Proto Labs Inc Investment Risks

Claude
  • ! Critically low returns on equity (1.2%) and assets (1.0%) indicate severe capital inefficiency and shareholder value destruction
  • ! Modest revenue growth (6.4% YoY) coupled with low operating margins (7.1%) suggests competitive pressures or lack of pricing power
  • ! Large asset base of $778.6M generating minimal returns raises questions about asset quality, impairments, or strategic misalignment

Key Metrics to Watch

Claude
  • * Return on Equity and Return on Assets trends - critical inflection point needed from current unsustainably low levels
  • * Operating margin expansion - revenue growth alone insufficient; must improve operational efficiency
  • * Free cash flow sustainability and capital allocation strategy - how management deploys cash base

Proto Labs Inc (PRLB) Financial Metrics & Key Ratios

Revenue
$139.3M
Net Income
$8.1M
EPS (Diluted)
$0.33
Free Cash Flow
$14.0M
Total Assets
$778.6M
Cash Position
$124.0M

💡 AI Analyst Insight

Strong liquidity with a 3.51x current ratio provides a solid financial cushion.

PRLB Profit Margin, ROE & Profitability Analysis

Gross Margin 45.6%
Operating Margin 7.1%
Net Margin 5.8%
ROE 1.2%
ROA 1.0%
FCF Margin 10.0%

PRLB vs Materials Sector: How Proto Labs Inc Compares

How Proto Labs Inc compares to Materials sector averages

Net Margin
PRLB 5.8%
vs
Sector Avg 10.0%
PRLB Sector
ROE
PRLB 1.2%
vs
Sector Avg 14.0%
PRLB Sector
Current Ratio
PRLB 3.5x
vs
Sector Avg 1.6x
PRLB Sector
Debt/Equity
PRLB 0.0x
vs
Sector Avg 0.6x
PRLB Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Proto Labs Inc Stock Overvalued? PRLB Valuation Analysis 2026

Based on fundamental analysis, Proto Labs Inc has mixed fundamental signals relative to the Materials sector in 2026.

Return on Equity
1.2%
Sector avg: 14%
Net Profit Margin
5.8%
Sector avg: 10%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.00x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Proto Labs Inc Balance Sheet: PRLB Debt, Cash & Liquidity

Current Ratio
3.51x
Quick Ratio
3.30x
Debt/Equity
0.00x
Debt/Assets
12.3%
Interest Coverage
N/A
Long-term Debt
$149.0K

PRLB Revenue & Earnings Growth: 5-Year Financial Trend

PRLB 5-year financial data: Year 2021: Revenue $488.1M, Net Income $63.7M, EPS $2.35. Year 2022: Revenue $488.4M, Net Income $50.9M, EPS $1.89. Year 2023: Revenue $503.9M, Net Income $33.4M, EPS $1.21. Year 2024: Revenue $503.9M, Net Income -$103.5M, EPS $-3.77. Year 2025: Revenue $533.1M, Net Income $17.2M, EPS $0.66.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Proto Labs Inc's revenue has shown modest growth of 9% over the 5-year period. The most recent EPS of $0.66 reflects profitable operations.

PRLB Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
10.0%
Free cash flow / Revenue

PRLB Quarterly Earnings & Performance

Quarterly financial performance data for Proto Labs Inc including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q1 2026 $126.2M $3.6M $0.15
Q3 2025 $125.6M $3.6M $0.29
Q2 2025 $125.6M $3.6M $0.18
Q1 2025 $126.2M $3.6M $0.15
Q3 2024 $125.6M -$383.0K $0.29
Q2 2024 $122.3M -$383.0K $-0.01
Q1 2024 $125.9M $2.7M $0.10
Q3 2023 $121.7M -$383.0K $0.14

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Proto Labs Inc Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$17.5M
Cash generated from operations
Capital Expenditures
$3.5M
Investment in assets
Dividends
None
No dividend program

PRLB SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Proto Labs Inc (CIK: 0001443669)

📋 Recent SEC Filings

Date Form Document Action
May 8, 2026 4 xslF345X06/wk-form4_1778272404.xml View →
May 7, 2026 8-K tm2613853d1_8k.htm View →
May 1, 2026 10-Q prlb-20260331.htm View →
May 1, 2026 8-K prlb-20260501.htm View →
Apr 8, 2026 DEF 14A prlb-20260407.htm View →

Frequently Asked Questions about PRLB

What is the AI rating for PRLB?

Proto Labs Inc (PRLB) has an AI rating of HOLD with 72% confidence, based on fundamental analysis of SEC EDGAR filings.

What are PRLB's key strengths?

Claude: Fortress balance sheet with $124M cash reserves and negligible debt ($149K), providing significant financial flexibility. Exceptional liquidity ratios (3.51x current, 3.30x quick) ensure no near-term solvency risk.

What are the risks of investing in PRLB?

Claude: Critically low returns on equity (1.2%) and assets (1.0%) indicate severe capital inefficiency and shareholder value destruction. Modest revenue growth (6.4% YoY) coupled with low operating margins (7.1%) suggests competitive pressures or lack of pricing power.

What is PRLB's revenue and growth?

Proto Labs Inc reported revenue of $139.3M.

Does PRLB pay dividends?

Proto Labs Inc does not currently pay dividends.

Where can I find PRLB SEC filings?

Official SEC filings for Proto Labs Inc (CIK: 0001443669) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is PRLB's EPS?

Proto Labs Inc has a diluted EPS of $0.33.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is PRLB a good stock to buy right now?

Based on our AI fundamental analysis in May 2026, Proto Labs Inc has a HOLD rating with 72% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is PRLB stock overvalued or undervalued?

Valuation metrics for PRLB: ROE of 1.2% (sector avg: 14%), net margin of 5.8% (sector avg: 10%). Compare these metrics with sector averages to assess valuation.

Should I buy PRLB stock in 2026?

Our dual AI analysis gives Proto Labs Inc a combined HOLD rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is PRLB's free cash flow?

Proto Labs Inc's operating cash flow is $17.5M, with capital expenditures of $3.5M. FCF margin is 10.0%.

How does PRLB compare to other Materials stocks?

Vs Materials sector averages: Net margin 5.8% (avg: 10%), ROE 1.2% (avg: 14%), current ratio 3.51 (avg: 1.6).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: May 6, 2026 | Data as of: 2026-03-31 | Powered by Claude AI