DCI vs CECO

For growth investors, CECO Environmental Corp.

(CECO) is the stronger pick with 38. 8% revenue growth year-over-year, versus 2. 9% for Donaldson Company, Inc. (DCI). Donaldson Company, Inc. (DCI) offers the better valuation at 28. 2x trailing P/E (21. 6x forward), making it the more compelling value choice. Analysts rate CECO Environmental Corp. (CECO) a "Buy" — based on 15 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, Donaldson Company, Inc.

(DCI) is the cheapest at 28. 2x versus CECO Environmental Corp. at 59. 4x. On forward P/E, Donaldson Company, Inc. is actually cheaper at 21. 6x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: CECO Environmental Corp. wins at 1. 14x versus Donaldson Company, Inc. 's 2. 45x — a reasonable growth-adjusted valuation.

Over the past 5 years, CECO Environmental Corp.

(CECO) delivered a total return of +1003%, compared to +40. 0% for Donaldson Company, Inc. (DCI). Over 10 years, the gap is even starker: CECO returned +1282% versus DCI's +194. 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), Donaldson Company, Inc.

(DCI) is the lower-risk stock at 0. 97β versus CECO Environmental Corp. 's 1. 36β — meaning CECO is approximately 40% more volatile than DCI relative to the S&P 500. On balance sheet safety, CECO Environmental Corp. (CECO) carries a lower debt/equity ratio of 8% versus 50% for Donaldson Company, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), CECO Environmental Corp.

(CECO) is pulling ahead at 38. 8% versus 2. 9% for Donaldson Company, Inc. (DCI). On earnings-per-share growth, the picture is similar: CECO Environmental Corp. grew EPS 280. 6% year-over-year, compared to -9. 8% for Donaldson Company, Inc.. Over a 3-year CAGR, CECO leads at 22. 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.

Donaldson Company, Inc.

(DCI) is the more profitable company, earning 9. 9% net margin versus 6. 5% for CECO Environmental Corp. — meaning it keeps 9. 9% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: DCI leads at 15. 1% versus 6. 7% for CECO. At the gross margin level — before operating expenses — DCI 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, CECO Environmental Corp. (CECO) is the more undervalued stock at a PEG of 1. 14x versus Donaldson Company, Inc. 's 2. 45x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Donaldson Company, Inc. (DCI) trades at 21. 6x forward P/E versus 48. 8x for CECO Environmental Corp. — 27. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for DCI: 20. 2% to $103. 20.

In this comparison, DCI (1.

3% yield) pays a dividend. CECO does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Donaldson Company, Inc.

(DCI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 97), 1. 3% yield, +194. 5% 10Y return). Both have compounded well over 10 years (DCI: +194. 5%, CECO: +1282%), 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.

Both stocks operate in the Industrials sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: DCI is a small-cap quality compounder stock; CECO is a small-cap high-growth stock. DCI pays a dividend while CECO 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.