ALNY vs RPRX

Alnylam Pharmaceuticals, Inc. and Royalty Pharma plc, both Healthcare

Alnylam Pharmaceuticals, Inc. is the larger company at $39B against $31B. On trailing earnings RPRX is the cheaper of the two at a P/E of 30.3 against 118.1, a gap that is only a bargain if the two are growing at similar rates. Over the past year RPRX returned +59% against -49% for ALNY. The RyuScore puts RPRX ahead, 52 against 15 out of 100.

Alnylam Pharmaceuticals, Inc. and Royalty Pharma plc compared on valuation, return and the RyuScore
FigureALNYRPRX
Last close$233$56.90
Market cap$39B$31B
Trailing P/Elower is cheaper for the same earnings, not automatically better118.130.3
1-year return-49%+59%
5-year return+24%+61%
RyuScoresector-relative, 1–1015/10052/100

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.

Alnylam Pharmaceuticals, Inc.

Revenue of $2.5B in H1 2026, net income $370M. Its largest reported line is Amvuttra, 67% of the disclosed total.

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.