XRAY vs HOLX vs IDXX vs ISRG

For growth investors, Intuitive Surgical, Inc.

(ISRG) is the stronger pick with 20. 5% revenue growth year-over-year, versus -3. 0% for DENTSPLY SIRONA Inc. (XRAY). Hologic, Inc. (HOLX) offers the better valuation at 30. 5x trailing P/E (17. 2x forward), making it the more compelling value choice. Analysts rate IDEXX Laboratories, Inc. (IDXX) a "Buy" — based on 22 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, Hologic, Inc.

(HOLX) is the cheapest at 30. 5x versus Intuitive Surgical, Inc. at 57. 6x. On forward P/E, DENTSPLY SIRONA Inc. is actually cheaper at 7. 7x — 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 IDEXX Laboratories, Inc. 's 2. 76x.

Over the past 5 years, Intuitive Surgical, Inc.

(ISRG) delivered a total return of +58. 7%, compared to -80. 1% for DENTSPLY SIRONA Inc. (XRAY). Over 10 years, the gap is even starker: IDXX returned +556. 2% versus XRAY's -74. 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), Hologic, Inc.

(HOLX) is the lower-risk stock at 0. 41β versus DENTSPLY SIRONA Inc. 's 1. 78β — meaning XRAY is approximately 334% more volatile than HOLX relative to the S&P 500. On balance sheet safety, Intuitive Surgical, Inc. (ISRG) carries a lower debt/equity ratio of 2% versus 184% for DENTSPLY SIRONA 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. 0% for DENTSPLY SIRONA Inc. (XRAY). On earnings-per-share growth, the picture is similar: DENTSPLY SIRONA Inc. grew EPS 33. 0% year-over-year, compared to -25. 0% for Hologic, 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 -16. 3% for DENTSPLY SIRONA Inc. — meaning it keeps 28. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IDXX leads at 31. 6% versus 6. 8% for XRAY. 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 IDEXX Laboratories, Inc. 's 2. 76x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, DENTSPLY SIRONA Inc. (XRAY) trades at 7. 7x forward P/E versus 43. 8x for Intuitive Surgical, Inc. — 36. 2x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ISRG: 37. 3% to $622. 60.

In this comparison, XRAY (5.

9% yield) pays a dividend. HOLX, IDXX, ISRG do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Hologic, Inc.

(HOLX) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 41), +124. 3% 10Y return). DENTSPLY SIRONA Inc. (XRAY) carries a higher beta of 1. 78 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (HOLX: +124. 3%, XRAY: -74. 5%), 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 Healthcare sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: XRAY is a small-cap income-oriented stock; HOLX is a mid-cap quality compounder stock; IDXX is a mid-cap quality compounder stock; ISRG is a mid-cap high-growth stock. XRAY pays a dividend while HOLX, IDXX, ISRG 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.