CNM vs BLDR vs IBP vs SITE vs FERG

For growth investors, Ferguson plc (FERG) is the stronger pick with 3.

8% revenue growth year-over-year, versus -7. 4% for Builders FirstSource, Inc. (BLDR). Core & Main, Inc. (CNM) offers the better valuation at 16. 7x trailing P/E (21. 7x forward), making it the more compelling value choice. Analysts rate Core & Main, Inc. (CNM) a "Buy" — based on 14 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, Core & Main, Inc.

(CNM) is the cheapest at 16. 7x versus SiteOne Landscape Supply, Inc. at 37. 1x. On forward P/E, Builders FirstSource, Inc. is actually cheaper at 14. 1x — notably different from the trailing picture, reflecting expected earnings growth. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Core & Main, Inc. wins at 0. 27x versus SiteOne Landscape Supply, Inc. 's 6. 91x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Core & Main, Inc.

(CNM) delivered a total return of +148. 4%, compared to -38. 4% for SiteOne Landscape Supply, Inc. (SITE). Over 10 years, the gap is even starker: IBP returned +650. 1% versus CNM's +148. 4%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Core & Main, Inc.

(CNM) is the lower-risk stock at 1. 12β versus Builders FirstSource, Inc. 's 1. 65β — meaning BLDR is approximately 47% more volatile than CNM relative to the S&P 500. On balance sheet safety, SiteOne Landscape Supply, Inc. (SITE) carries a lower debt/equity ratio of 58% versus 148% for Installed Building Products, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Ferguson plc (FERG) is pulling ahead at 3.

8% versus -7. 4% for Builders FirstSource, Inc. (BLDR). On earnings-per-share growth, the picture is similar: Core & Main, Inc. grew EPS 39. 4% year-over-year, compared to -57. 1% for Builders FirstSource, Inc.. Over a 3-year CAGR, SITE leads at 5. 4% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Installed Building Products, Inc.

(IBP) is the more profitable company, earning 8. 9% net margin versus 2. 9% for Builders FirstSource, Inc. — meaning it keeps 8. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IBP leads at 13. 0% versus 5. 1% for SITE. At the gross margin level — before operating expenses — SITE leads at 34. 8%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, Core & Main, Inc. (CNM) is the more undervalued stock at a PEG of 0. 27x versus SiteOne Landscape Supply, Inc. 's 6. 91x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Builders FirstSource, Inc. (BLDR) trades at 14. 1x forward P/E versus 28. 7x for SiteOne Landscape Supply, Inc. — 14. 6x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for BLDR: 38. 3% to $109. 92.

In this comparison, IBP (1.

5% yield), FERG (1. 0% yield) pay a dividend. CNM, BLDR, SITE do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Installed Building Products, Inc.

(IBP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 19), 1. 5% yield, +650. 1% 10Y return). Builders FirstSource, Inc. (BLDR) carries a higher beta of 1. 65 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (IBP: +650. 1%, BLDR: +614. 8%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (CNM (Industrials) and BLDR (Industrials) and IBP (Consumer Cyclical) and SITE (Industrials) and FERG (Industrials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: CNM is a small-cap deep-value stock; BLDR is a small-cap quality compounder stock; IBP is a small-cap quality compounder stock; SITE is a small-cap quality compounder stock; FERG is a mid-cap quality compounder stock. IBP, FERG pay a dividend while CNM, BLDR, SITE do not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.