GRDN vs MCK

For growth investors, Guardian Pharmacy Services, Inc.

(GRDN) is the stronger pick with 17. 9% revenue growth year-over-year, versus 16. 2% for McKesson Corporation (MCK). McKesson Corporation (MCK) offers the better valuation at 29. 2x trailing P/E (19. 3x forward), making it the more compelling value choice. Analysts rate Guardian Pharmacy Services, Inc. (GRDN) 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, McKesson Corporation (MCK) is the cheapest at 29.

2x versus Guardian Pharmacy Services, Inc. at 46. 5x. On forward P/E, McKesson Corporation is actually cheaper at 19. 3x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: McKesson Corporation wins at 0. 49x versus Guardian Pharmacy Services, Inc. 's 1. 58x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, McKesson Corporation (MCK) delivered a total return of +286.

9%, compared to +126. 8% for Guardian Pharmacy Services, Inc. (GRDN). Over 10 years, the gap is even starker: MCK returned +348. 1% versus GRDN's +126. 7%. 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), McKesson Corporation (MCK) is the lower-risk stock at 0.

04β versus Guardian Pharmacy Services, Inc. 's 1. 04β — meaning GRDN is approximately 2314% more volatile than MCK relative to the S&P 500.

By revenue growth (latest reported year), Guardian Pharmacy Services, Inc.

(GRDN) is pulling ahead at 17. 9% versus 16. 2% for McKesson Corporation (MCK). On earnings-per-share growth, the picture is similar: Guardian Pharmacy Services, Inc. grew EPS 144. 1% year-over-year, compared to 14. 9% for McKesson Corporation. Over a 3-year CAGR, GRDN leads at 16. 8% 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.

Guardian Pharmacy Services, Inc.

(GRDN) is the more profitable company, earning 3. 4% net margin versus 0. 9% for McKesson Corporation — meaning it keeps 3. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: GRDN leads at 6. 1% versus 1. 2% for MCK. At the gross margin level — before operating expenses — GRDN leads at 19. 5%, 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, McKesson Corporation (MCK) is the more undervalued stock at a PEG of 0. 49x versus Guardian Pharmacy Services, Inc. 's 1. 58x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, McKesson Corporation (MCK) trades at 19. 3x forward P/E versus 29. 6x for Guardian Pharmacy Services, Inc. — 10. 3x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for MCK: 33. 8% to $1006. 50.

In this comparison, MCK (0.

4% yield) pays a dividend. GRDN does not pay a meaningful dividend and should not be held primarily for income.

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

04), +348. 1% 10Y return). Both have compounded well over 10 years (MCK: +348. 1%, GRDN: +126. 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.

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.