MIR vs OSIS vs ATEC vs NVST vs WAT

For growth investors, Alphatec Holdings, Inc.

(ATEC) is the stronger pick with 25. 0% revenue growth year-over-year, versus 7. 0% for Waters Corporation (WAT). OSI Systems, Inc. (OSIS) offers the better valuation at 27. 7x trailing P/E (23. 0x forward), making it the more compelling value choice. Analysts rate Mirion Technologies, Inc. (MIR) a "Buy" — based on 8 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, OSI Systems, Inc.

(OSIS) is the cheapest at 27. 7x versus Mirion Technologies, Inc. at 179. 5x. On forward P/E, Envista Holdings Corp is actually cheaper at 17. 2x — 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: OSI Systems, Inc. wins at 1. 39x versus Envista Holdings Corp's 11. 53x — a reasonable growth-adjusted valuation.

Over the past 5 years, OSI Systems, Inc.

(OSIS) delivered a total return of +149. 9%, compared to -48. 7% for Alphatec Holdings, Inc. (ATEC). Over 10 years, the gap is even starker: OSIS returned +372. 9% versus NVST's -13. 1%. 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), Waters Corporation (WAT) is the lower-risk stock at 1.

07β versus Mirion Technologies, Inc. 's 1. 98β — meaning MIR is approximately 84% more volatile than WAT relative to the S&P 500. On balance sheet safety, Waters Corporation (WAT) carries a lower debt/equity ratio of 55% versus 17% for Alphatec Holdings, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Alphatec Holdings, Inc.

(ATEC) is pulling ahead at 25. 0% versus 7. 0% for Waters Corporation (WAT). On earnings-per-share growth, the picture is similar: Mirion Technologies, Inc. grew EPS 161. 1% year-over-year, compared to 0. 5% for Waters Corporation. Over a 3-year CAGR, ATEC leads at 29. 6% 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.

Waters Corporation (WAT) is the more profitable company, earning 20.

3% net margin versus -18. 8% for Alphatec Holdings, Inc. — meaning it keeps 20. 3% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: WAT leads at 28. 2% versus -10. 7% for ATEC. At the gross margin level — before operating expenses — ATEC leads at 69. 6%, 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, OSI Systems, Inc. (OSIS) is the more undervalued stock at a PEG of 1. 39x versus Envista Holdings Corp's 11. 53x. A PEG below 1. 5 suggests fair-to-attractive pricing relative to expected growth. On forward earnings alone, Envista Holdings Corp (NVST) trades at 17. 2x forward P/E versus 36. 2x for Mirion Technologies, Inc. — 19. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for ATEC: 222. 6% to $25. 00.

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, Waters Corporation (WAT) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1.

07), +162. 0% 10Y return). Mirion Technologies, Inc. (MIR) carries a higher beta of 1. 98 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (WAT: +162. 0%, MIR: +98. 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.

These companies operate in different sectors (MIR (Industrials) and OSIS (Technology) and ATEC (Healthcare) and NVST (Healthcare) and WAT (Healthcare)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: MIR is a small-cap quality compounder stock; OSIS is a small-cap quality compounder stock; ATEC is a small-cap high-growth stock; NVST is a small-cap quality compounder stock; WAT is a mid-cap quality compounder 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.