SHPH vs ATNM vs CELC vs ISRG

For growth investors, Intuitive Surgical, Inc.

(ISRG) is the stronger pick with 20. 5% revenue growth year-over-year, versus -100. 0% for Actinium Pharmaceuticals, Inc. (ATNM). Intuitive Surgical, Inc. (ISRG) offers the better valuation at 57. 6x trailing P/E (43. 8x forward), making it the more compelling value choice. Analysts rate Celcuity Inc. (CELC) a "Buy" — based on 9 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.

Over the past 5 years, Celcuity Inc.

(CELC) delivered a total return of +381. 6%, compared to -100. 0% for Shuttle Pharmaceuticals Holdings, Inc. (SHPH). Over 10 years, the gap is even starker: CELC returned +814. 7% versus SHPH's -100. 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), Intuitive Surgical, Inc.

(ISRG) is the lower-risk stock at 1. 02β versus Celcuity Inc. 's 1. 71β — meaning CELC is approximately 68% 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 165% for Shuttle Pharmaceuticals Holdings, 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 -100. 0% for Actinium Pharmaceuticals, Inc. (ATNM). On earnings-per-share growth, the picture is similar: Actinium Pharmaceuticals, Inc. grew EPS 30. 6% year-over-year, compared to -2159. 3% for Shuttle Pharmaceuticals Holdings, Inc.. 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 -384. 4% for Actinium Pharmaceuticals, 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 -414. 9% for ATNM. 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.

Analyst consensus price targets imply the most upside for ISRG: 37.

3% 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), +554. 2% 10Y return). Both have compounded well over 10 years (ISRG: +554. 2%, ATNM: -97. 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.

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: SHPH is a small-cap quality compounder stock; ATNM is a small-cap quality compounder stock; CELC 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.