PRIM vs STRL
As of Sep 20, 2026, Primoris Services (PRIM) scores 3.4/10 and Sterling Infrastructure (STRL) 6.3/10 on AlphaStocks' five-model composite, so STRL scores higher. PRIM trades 26% below its model fair value; STRL trades 87% above its model fair value.
PRIM
Primoris Services Corp
3.4
Weak
$77.13
STRL
STERLING INFRASTRUCTURE, INC.
6.3
Consider Buy
$518.84
PRIM vs STRL: Which is the Better Investment?
Primoris Services Corp (PRIM) scores 3.4/10 while STERLING INFRASTRUCTURE, INC. (STRL) scores 6.3/10 on AlphaStocks' composite model. STERLING INFRASTRUCTURE, INC. has the higher composite rating of Consider Buy. On a P/E basis, Primoris Services Corp trades at 15.4x, making it the more attractively priced of the two. Primoris Services Corp trades further below its estimated fair value.
This comparison is algorithmically generated and is not financial advice.
| Metric | PRIM | STRL |
|---|---|---|
| Scores & Fundamentals | ||
| Composite Score | 3.4/10 | 6.3/10▲ |
| Rating | Weak | Consider Buy▲ |
| Price | $77.13 | $518.84 |
| P/E Ratio | 15.4▲ | 55.3 |
| ROE | 16.6% | 26.9%▲ |
| Market Cap | $4B | $16B |
| Fair Value | $104.86 | $276.83 |
| Dividend Yield | — | — |
| Sector Rank | #220 of 265 | #31 of 265▲ |
| Model Verdicts | ||
| Piotroski | Attractive | Attractive |
| Buffett | Attractive | Strong▲ |
| Graham | Neutral▲ | Caution |
| Lynch | Attractive | Attractive |
| Greenblatt | Strong▲ | Caution |
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PRIM vs STRL: Which Stock Scores Higher?
Primoris Services Corp (PRIM) and STERLING INFRASTRUCTURE, INC. (STRL) are both in the Industrials sector. STRL currently leads with a composite score of 6.3/10 (Consider Buy) compared to PRIM's 3.4/10 (Weak).
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