NOVT vs ISRG

For growth investors, Intuitive Surgical, Inc.

(ISRG) is the stronger pick with 20. 5% revenue growth year-over-year, versus 3. 3% for Novanta Inc. (NOVT). Intuitive Surgical, Inc. (ISRG) offers the better valuation at 57. 4x trailing P/E (43. 7x 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, Intuitive Surgical, Inc.

(ISRG) is the cheapest at 57. 4x versus Novanta Inc. at 94. 5x. On forward P/E, Novanta Inc. is actually cheaper at 39. 0x — 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: Intuitive Surgical, Inc. wins at 2. 01x versus Novanta Inc. 's 11. 83x.

Over the past 5 years, Intuitive Surgical, Inc.

(ISRG) delivered a total return of +60. 9%, compared to +9. 6% for Novanta Inc. (NOVT). Over 10 years, the gap is even starker: NOVT returned +881. 6% versus ISRG's +556. 9%. 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), Intuitive Surgical, Inc.

(ISRG) is the lower-risk stock at 1. 02β versus Novanta Inc. 's 2. 02β — meaning NOVT is approximately 99% more volatile than ISRG relative to the S&P 500. On balance sheet safety, Intuitive Surgical, Inc. (ISRG) carries a lower debt/equity ratio of 2% versus 26% for Novanta Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Intuitive Surgical, Inc.

(ISRG) is pulling ahead at 20. 5% versus 3. 3% for Novanta Inc. (NOVT). On earnings-per-share growth, the picture is similar: Intuitive Surgical, Inc. grew EPS 22. 6% year-over-year, compared to -16. 9% for Novanta Inc.. Over a 3-year CAGR, ISRG leads at 17. 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.

Intuitive Surgical, Inc.

(ISRG) is the more profitable company, earning 28. 4% net margin versus 5. 5% for Novanta Inc. — meaning it keeps 28. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ISRG leads at 29. 3% versus 11. 9% for NOVT. At the gross margin level — before operating expenses — ISRG leads at 66. 0%, 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, Intuitive Surgical, Inc. (ISRG) is the more undervalued stock at a PEG of 2. 01x versus Novanta Inc. 's 11. 83x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, Novanta Inc. (NOVT) trades at 39. 0x forward P/E versus 43. 7x for Intuitive Surgical, Inc. — 4. 7x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ISRG: 37. 8% to $622. 60.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, Intuitive Surgical, Inc.

(ISRG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1. 02), +556. 9% 10Y return). Novanta Inc. (NOVT) carries a higher beta of 2. 02 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ISRG: +556. 9%, NOVT: +881. 6%), 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 (NOVT (Technology) and ISRG (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: NOVT is a small-cap quality compounder stock; ISRG is a mid-cap high-growth stock. 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.