REGN vs RPRX

Regeneron Pharmaceuticals and Royalty Pharma plc, both Healthcare

Regeneron Pharmaceuticals is the larger company at $64B against $30B. On trailing earnings REGN is the cheaper of the two at a P/E of 20.1 against 32.9, a gap that is only a bargain if the two are growing at similar rates. Over the past year RPRX returned +71% against +48% for REGN. Ryufin's sector-relative Smart Score puts REGN ahead, 9/10 against 7/10.

Regeneron Pharmaceuticals and Royalty Pharma plccompared on valuation, return and Ryufin’s Smart Score
FigureREGNRPRX
Last close$815$61.80
Market cap$64B$30B
Trailing P/Elower is cheaper for the same earnings, not automatically better20.132.9
1-year return+48%+71%
5-year return+43%+87%
Ryufin Smart Scoresector-relative, 1–109/107/10

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.

Regeneron Pharmaceuticals

Revenue of $4.3B in Q2 2026, net income $1.3B. Its largest reported line is Share Of Profit Losses, 50% of the disclosed total.

Royalty Pharma plc

Revenue of $674M in Q2 2026, net income $18M. Its largest reported line is Financial Royalty Assets, 94% of the disclosed total.

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