ARGX vs RPRX

argenx SE and Royalty Pharma plc, both Healthcare

argenx SE is the larger company at $56B against $31B. On trailing earnings RPRX is the cheaper of the two at a P/E of 30.3 against 42.2, a gap that is only a bargain if the two are growing at similar rates. Over the past year RPRX returned +59% against +12% for ARGX. The RyuScore puts RPRX ahead, 52 against 11 out of 100.

argenx SE and Royalty Pharma plc compared on valuation, return and the RyuScore
FigureARGXRPRX
Last close$825$56.90
Market cap$56B$31B
Trailing P/Elower is cheaper for the same earnings, not automatically better42.230.3
1-year return+12%+59%
5-year return+156%+61%
RyuScoresector-relative, 1–1011/10052/100

Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.

argenx SE

Revenue of $2.5B in H2 2025, net income $877M.

Royalty Pharma plc

Revenue of $674M in Q2 2026, net income $18M. Its largest reported line is Financial Royalty Assets, 95% of the disclosed total.

Open these two in the interactive comparison to add more names, change the period or see the correlation.