ISRG vs WST

Intuitive Surgical and West Pharmaceutical Services, both Healthcare

Intuitive Surgical is the larger company at $144B against $23B. On trailing earnings WST is the cheaper of the two at a P/E of 46.9 against 48.6, a gap that is only a bargain if the two are growing at similar rates. Over the past year WST returned +44% against -2.7% for ISRG. The RyuScore puts ISRG ahead, 63 against 62 out of 100.

Intuitive Surgical and West Pharmaceutical Services compared on valuation, return and the RyuScore
FigureISRGWST
Last close$424$366
Market cap$144B$23B
Trailing P/Elower is cheaper for the same earnings, not automatically better48.646.9
Dividend yieldn/a0.2%
1-year return-2.7%+44%
5-year return+24%-16%
RyuScoresector-relative, 1–1063/10062/100

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.

Intuitive Surgical

Revenue of $2.9B in Q2 2026, net income $818M. Its largest reported line is Instrumentsand Accessories, 49% of the disclosed total.

West Pharmaceutical Services

Revenue of $872M in Q2 2026, net income $154M. Its largest reported line is Proprietary Products, 83% of the disclosed total.

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