FONR vs NNOX vs ATEC vs GEHC vs ISRG

For growth investors, Alphatec Holdings, Inc.

(ATEC) is the stronger pick with 25. 0% revenue growth year-over-year, versus 1. 4% for FONAR Corporation (FONR). GE HealthCare Technologies Inc. (GEHC) offers the better valuation at 13. 9x trailing P/E (13. 0x forward), making it the more compelling value choice. Analysts rate Nano-X Imaging Ltd. (NNOX) a "Buy" — based on 5 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, GE HealthCare Technologies Inc.

(GEHC) is the cheapest at 13. 9x versus Intuitive Surgical, Inc. at 57. 2x. On forward P/E, GE HealthCare Technologies Inc. is actually cheaper at 13. 0x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Intuitive Surgical, Inc. wins at 1. 99x versus GE HealthCare Technologies Inc. 's 20. 66x — a reasonable growth-adjusted valuation.

Over the past 5 years, Intuitive Surgical, Inc.

(ISRG) delivered a total return of +61. 7%, compared to -93. 4% for Nano-X Imaging Ltd. (NNOX). Over 10 years, the gap is even starker: ISRG returned +549. 2% versus NNOX's -96. 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), FONAR Corporation (FONR) is the lower-risk stock at 0.

09β versus Nano-X Imaging Ltd. 's 1. 75β — meaning NNOX is approximately 1947% more volatile than FONR relative to the S&P 500. On balance sheet safety, Intuitive Surgical, Inc. (ISRG) carries a lower debt/equity ratio of 2% 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 1. 4% for FONAR Corporation (FONR). On earnings-per-share growth, the picture is similar: Intuitive Surgical, Inc. grew EPS 22. 6% year-over-year, compared to -19. 6% for FONAR Corporation. Over a 3-year CAGR, NNOX leads at 105. 3% 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 -474. 3% for Nano-X Imaging Ltd. — 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 -502. 9% for NNOX. At the gross margin level — before operating expenses — FONR leads at 81. 7%, 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 1. 99x versus GE HealthCare Technologies Inc. 's 20. 66x. Both stocks trade at elevated growth-adjusted valuations, so expected growth needs to materialise. On forward earnings alone, GE HealthCare Technologies Inc. (GEHC) trades at 13. 0x forward P/E versus 43. 3x for Intuitive Surgical, Inc. — 30. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for NNOX: 940. 5% to $18. 00.

In this comparison, GEHC (0.

2% yield) pays a dividend. FONR, NNOX, ATEC, ISRG do not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, FONAR Corporation (FONR) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

09)). Nano-X Imaging Ltd. (NNOX) carries a higher beta of 1. 75 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (FONR: +34. 7%, NNOX: -96. 1%), 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: FONR is a small-cap deep-value stock; NNOX is a small-cap quality compounder stock; ATEC is a small-cap high-growth stock; GEHC is a mid-cap deep-value 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.