XNCR vs ALKS

For growth investors, Xencor, Inc.

(XNCR) is the stronger pick with 13. 7% revenue growth year-over-year, versus -5. 2% for Alkermes plc (ALKS). Alkermes plc (ALKS) offers the better valuation at 24. 7x trailing P/E, making it the more compelling value choice. Analysts rate Xencor, Inc. (XNCR) a "Buy" — based on 27 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, Alkermes plc (ALKS) delivered a total return of +60.

5%, compared to -67. 2% for Xencor, Inc. (XNCR). Over 10 years, the gap is even starker: XNCR returned +14. 8% versus ALKS's -7. 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), Alkermes plc (ALKS) is the lower-risk stock at 1.

06β versus Xencor, Inc. 's 1. 99β — meaning XNCR is approximately 88% more volatile than ALKS relative to the S&P 500. On balance sheet safety, Alkermes plc (ALKS) carries a lower debt/equity ratio of 4% versus 30% for Xencor, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Xencor, Inc.

(XNCR) is pulling ahead at 13. 7% versus -5. 2% for Alkermes plc (ALKS). On earnings-per-share growth, the picture is similar: Xencor, Inc. grew EPS 65. 4% year-over-year, compared to -34. 1% for Alkermes plc. Over a 3-year CAGR, ALKS leads at 9. 9% 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.

Alkermes plc (ALKS) is the more profitable company, earning 16.

4% net margin versus -73. 2% for Xencor, Inc. — meaning it keeps 16. 4% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ALKS leads at 17. 2% versus -141. 4% for XNCR. At the gross margin level — before operating expenses — XNCR leads at 91. 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.

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

06)). Xencor, Inc. (XNCR) carries a higher beta of 1. 99 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (ALKS: -7. 7%, XNCR: +14. 8%), 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.