GMAB vs REGN

For growth investors, Regeneron Pharmaceuticals, Inc.

(REGN) is the stronger pick with 1. 0% revenue growth year-over-year, versus -82. 7% for Genmab A/S (GMAB). Regeneron Pharmaceuticals, Inc. (REGN) offers the better valuation at 17. 1x trailing P/E (15. 3x forward), making it the more compelling value choice. Analysts rate Genmab A/S (GMAB) a "Buy" — based on 17 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, Regeneron Pharmaceuticals, Inc.

(REGN) is the cheapest at 17. 1x versus Genmab A/S at 17. 6x. On forward P/E, Regeneron Pharmaceuticals, Inc. is actually cheaper at 15. 3x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: Genmab A/S wins at 0. 80x versus Regeneron Pharmaceuticals, Inc. 's 2. 43x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, Regeneron Pharmaceuticals, Inc.

(REGN) delivered a total return of +43. 6%, compared to -27. 6% for Genmab A/S (GMAB). Over 10 years, the gap is even starker: REGN returned +90. 0% versus GMAB's +78. 3%. 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), Regeneron Pharmaceuticals, Inc.

(REGN) is the lower-risk stock at 0. 81β versus Genmab A/S's 0. 94β — meaning GMAB is approximately 16% more volatile than REGN relative to the S&P 500. On balance sheet safety, Regeneron Pharmaceuticals, Inc. (REGN) carries a lower debt/equity ratio of 9% versus 93% for Genmab A/S — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Regeneron Pharmaceuticals, Inc.

(REGN) is pulling ahead at 1. 0% versus -82. 7% for Genmab A/S (GMAB). On earnings-per-share growth, the picture is similar: Regeneron Pharmaceuticals, Inc. grew EPS 8. 2% year-over-year, compared to -87. 3% for Genmab A/S. Over a 3-year CAGR, REGN leads at 5. 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.

Regeneron Pharmaceuticals, Inc.

(REGN) is the more profitable company, earning 31. 4% net margin versus 25. 9% for Genmab A/S — meaning it keeps 31. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: GMAB leads at 33. 6% versus 24. 9% for REGN. At the gross margin level — before operating expenses — GMAB leads at 91. 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, Genmab A/S (GMAB) is the more undervalued stock at a PEG of 0. 80x versus Regeneron Pharmaceuticals, Inc. 's 2. 43x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, Regeneron Pharmaceuticals, Inc. (REGN) trades at 15. 3x forward P/E versus 23. 3x for Genmab A/S — 8. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for GMAB: 47. 5% to $39. 90.

In this comparison, REGN (0.

5% yield) pays a dividend. GMAB does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, Regeneron Pharmaceuticals, Inc.

(REGN) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 81)). Both have compounded well over 10 years (REGN: +90. 0%, GMAB: +78. 3%), 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.