GLDD vs CAT vs VMC vs MLM

For growth investors, Great Lakes Dredge & Dock Corporation (GLDD) is the stronger pick with 16.

5% revenue growth year-over-year, versus 0. 1% for Martin Marietta Materials, Inc. (MLM). Great Lakes Dredge & Dock Corporation (GLDD) offers the better valuation at 15. 7x trailing P/E (15. 4x forward), making it the more compelling value choice. Analysts rate Great Lakes Dredge & Dock Corporation (GLDD) a "Buy" — based on 7 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, Great Lakes Dredge & Dock Corporation (GLDD) is the cheapest at 15.

7x versus Caterpillar Inc. at 47. 6x. On forward P/E, Great Lakes Dredge & Dock Corporation is actually cheaper at 15. 4x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Caterpillar Inc. wins at 1. 38x versus Great Lakes Dredge & Dock Corporation's 9. 93x — a reasonable growth-adjusted valuation.

Over the past 5 years, Caterpillar Inc.

(CAT) delivered a total return of +282. 5%, compared to +19. 7% for Great Lakes Dredge & Dock Corporation (GLDD). Over 10 years, the gap is even starker: CAT returned +1228% versus VMC's +162. 5%. 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), Vulcan Materials Company (VMC) is the lower-risk stock at 0.

80β versus Caterpillar Inc. 's 1. 54β — meaning CAT is approximately 93% more volatile than VMC relative to the S&P 500. On balance sheet safety, Martin Marietta Materials, Inc. (MLM) carries a lower debt/equity ratio of 53% versus 2% for Caterpillar Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Great Lakes Dredge & Dock Corporation (GLDD) is pulling ahead at 16.

5% versus 0. 1% for Martin Marietta Materials, Inc. (MLM). On earnings-per-share growth, the picture is similar: Great Lakes Dredge & Dock Corporation grew EPS 28. 6% year-over-year, compared to -42. 0% for Martin Marietta Materials, Inc.. Over a 3-year CAGR, GLDD leads at 11. 0% 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.

Martin Marietta Materials, Inc.

(MLM) is the more profitable company, earning 17. 4% net margin versus 8. 3% for Great Lakes Dredge & Dock Corporation — meaning it keeps 17. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: MLM leads at 23. 3% versus 14. 1% for GLDD. At the gross margin level — before operating expenses — CAT leads at 32. 3%, 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, Caterpillar Inc. (CAT) is the more undervalued stock at a PEG of 1. 38x versus Great Lakes Dredge & Dock Corporation's 9. 93x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Great Lakes Dredge & Dock Corporation (GLDD) trades at 15. 4x forward P/E versus 38. 8x for Caterpillar Inc. — 23. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MLM: 15. 8% to $695. 30.

In this comparison, VMC (0.

7% yield), CAT (0. 7% yield), MLM (0. 5% yield) pay a dividend. GLDD does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Caterpillar Inc.

(CAT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 7% yield, +1228% 10Y return). Both have compounded well over 10 years (CAT: +1228%, GLDD: +276. 9%), 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 (GLDD (Industrials) and CAT (Industrials) and VMC (Basic Materials) and MLM (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: GLDD is a small-cap high-growth stock; CAT is a large-cap quality compounder stock; VMC is a mid-cap quality compounder stock; MLM is a mid-cap quality compounder stock. CAT, VMC, MLM pay a dividend while GLDD does 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.