AlphaStocks
5.6
Consider Buy

Proto Labs Inc (PRLB)

As of Sep 20, 2026, Proto Labs Inc (PRLB) scores 5.6/10 on AlphaStocks' five-model composite, #65 of 265 Industrials stocks.

Industrials / Industrial Machinery & Supplies & Components

S&P SmallCap 600

$87.47

Middle of the pack. No strong signal either way.

Consider Buy

Score based on 3 of 5 models — moderate confidence

Data as of Sep 20, 2026

#65out of 265 in Industrials

Is Proto Labs Inc a Good Investment in 2026?

Proto Labs Inc (PRLB) scores 5.6 out of 10 on AlphaStocks' composite model, earning a Consider Buy rating. The Piotroski model rates Proto Labs Inc as Attractive (6/9). However, the Graham model rates it Caution — Significantly above fair value. Proto Labs Inc ranks #65 out of 265 stocks in the Industrials sector.

This summary is algorithmically generated and is not financial advice.

Key Metrics

P/E99.8ROE3.2Market Cap2B

Valuation

Trades at 100x earnings — significantly above sector median of 28x. Premium reflects market growth expectations.

Fair value estimate not available for this stock.

5-Model Analysis

Each model evaluates this stock from a different angle. Combined, they form the composite score above.

Piotroski

Attractive

6/9

Buffett

Neutral

Business quality & competitive moat

Graham

Caution

Significantly above fair value

Lynch

Limited Data

Growth rate vs price (PEG)

Greenblatt

Limited Data

Earnings yield + return on capital

Frequently Asked Questions

Is Proto Labs Inc (PRLB) a good investment?
As of Sep 20, 2026, Proto Labs Inc (PRLB) scores 5.6/10 on AlphaStocks' five-model composite, #65 of 265 Industrials stocks. That is a middle-of-the-pack score with no strong signal either way. Trades at 100x earnings — significantly above sector median of 28x. Premium reflects market growth expectations.
What is Proto Labs Inc's Piotroski F-Score?
Proto Labs Inc's Piotroski F-Score status is Attractive. The raw score is 6/9. The Piotroski F-Score evaluates financial health using 9 fundamental signals including profitability, leverage, and operating efficiency.
Is PRLB overvalued or undervalued?
A precise fair value estimate is not available for PRLB. Trades at 100x earnings — significantly above sector median of 28x. Premium reflects market growth expectations.
How does PRLB compare to other Industrials stocks?
Proto Labs Inc ranks #65 out of 265 stocks in the Industrials sector, placing it in the top 25% of its sector by composite score. This is a strong position relative to sector peers.
What do investment models say about PRLB?
AlphaStocks evaluates PRLB using five proven investment models. Piotroski: Attractive; Buffett: Neutral; Graham: Caution. These models are combined into a single composite score of 5.6/10.

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Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer