ATMU vs PRLB
As of Sep 20, 2026, Atmus Filtration Technologies (ATMU) scores 7.8/10 and Proto Labs (PRLB) 5.6/10 on AlphaStocks' five-model composite, so ATMU scores higher. ATMU trades 28% below its model fair value.
ATMU
Atmus Filtration Technologies Inc.
7.8
Strong Buy
$43.90
PRLB
Proto Labs Inc
5.6
Consider Buy
$87.47
ATMU vs PRLB: Which is the Better Investment?
Atmus Filtration Technologies Inc. (ATMU) scores 7.8/10 while Proto Labs Inc (PRLB) scores 5.6/10 on AlphaStocks' composite model. Atmus Filtration Technologies Inc. has the higher composite rating of Strong Buy. On a P/E basis, Atmus Filtration Technologies Inc. trades at 17.5x, making it the more attractively priced of the two.
This comparison is algorithmically generated and is not financial advice.
| Metric | ATMU | PRLB |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 7.8/10▲ | 5.6/10 |
| Rating | Strong Buy▲ | Consider Buy |
| Price | $43.90 | $87.47 |
| P/E Ratio | 17.5▲ | 99.8 |
| ROE | 47.9%▲ | 3.2% |
| Market Cap | $4B | $2B |
| Fair Value | $60.70 | — |
| Dividend Yield | — | — |
| Sector Rank | #3 of 265▲ | #65 of 265 |
| Model Verdicts | ||
| Piotroski | Strong▲ | Attractive |
| Buffett | Strong▲ | Neutral |
| Graham | Caution | Caution |
| Lynch | Neutral▲ | Limited Data |
| Greenblatt | Attractive▲ | Limited Data |
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ATMU vs PRLB: Which Stock Scores Higher?
Atmus Filtration Technologies Inc. (ATMU) and Proto Labs Inc (PRLB) are both in the Industrials sector. ATMU currently leads with a composite score of 7.8/10 (Strong Buy) compared to PRLB's 5.6/10 (Consider Buy).
The AlphaStocks composite score evaluates each stock across four dimensions: Quality (business strength measured by Piotroski F-Score and Buffett quality criteria), Value (discount to intrinsic worth using Graham, Lynch, and Greenblatt models), Momentum (6-month price trend), and Timing (a confirmation signal that requires both value and momentum to align). A higher composite score indicates stronger overall fundamentals combined with favorable market conditions.
This comparison uses the same scoring framework for both companies, ensuring an apples-to-apples evaluation. Scores are recalculated daily after market close using data from SEC filings and market prices. Read the full methodology to understand how each model contributes to the composite score.
Scores are algorithm-generated research tools, not investment recommendations. Past performance does not guarantee future results. Always do your own due diligence. Full disclaimer