ATS vs NOVT vs ROP vs MKSI

For growth investors, Roper Technologies, Inc.

(ROP) is the stronger pick with 12. 3% revenue growth year-over-year, versus -16. 5% for ATS Corporation (ATS). Roper Technologies, Inc. (ROP) offers the better valuation at 24. 8x trailing P/E (16. 1x forward), making it the more compelling value choice. Analysts rate Novanta Inc. (NOVT) a "Buy" — based on 3 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, Roper Technologies, Inc.

(ROP) is the cheapest at 24. 8x versus Novanta Inc. at 92. 7x. On forward P/E, Roper Technologies, Inc. is actually cheaper at 16. 1x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Roper Technologies, Inc. wins at 1. 68x versus Novanta Inc. 's 11. 61x — a reasonable growth-adjusted valuation.

Over the past 5 years, MKS Inc.

(MKSI) delivered a total return of +66. 5%, compared to -17. 5% for Roper Technologies, Inc. (ROP). Over 10 years, the gap is even starker: NOVT returned +853. 7% versus ROP's +115. 0%. 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), Roper Technologies, Inc.

(ROP) is the lower-risk stock at 0. 43β versus MKS Inc. 's 2. 64β — meaning MKSI is approximately 516% more volatile than ROP relative to the S&P 500. On balance sheet safety, Novanta Inc. (NOVT) carries a lower debt/equity ratio of 26% versus 173% for MKS Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Roper Technologies, Inc.

(ROP) is pulling ahead at 12. 3% versus -16. 5% for ATS Corporation (ATS). On earnings-per-share growth, the picture is similar: MKS Inc. grew EPS 55. 5% year-over-year, compared to -114. 7% for ATS Corporation. Over a 3-year CAGR, ROP leads at 13. 7% 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.

Roper Technologies, Inc.

(ROP) is the more profitable company, earning 19. 4% net margin versus -1. 1% for ATS Corporation — meaning it keeps 19. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ROP leads at 28. 3% versus 0. 4% for ATS. At the gross margin level — before operating expenses — ROP leads at 69. 2%, 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, Roper Technologies, Inc. (ROP) is the more undervalued stock at a PEG of 1. 68x versus Novanta Inc. 's 11. 61x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Roper Technologies, Inc. (ROP) trades at 16. 1x forward P/E versus 38. 2x for Novanta Inc. — 22. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ROP: 29. 8% to $457. 64.

In this comparison, ROP (0.

9% yield), MKSI (0. 3% yield) pay a dividend. ATS, NOVT do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Roper Technologies, Inc.

(ROP) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 43), 0. 9% yield, +115. 0% 10Y return). ATS Corporation (ATS) carries a higher beta of 1. 87 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ROP: +115. 0%, ATS: +282. 7%), 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 (ATS (Industrials) and NOVT (Technology) and ROP (Industrials) and MKSI (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

ROP pays a dividend while ATS, NOVT, MKSI 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.