TMO vs WAT

Thermo Fisher Scientific and Waters Corporation, both Healthcare

Thermo Fisher Scientific is the larger company at $173B against $35B. On trailing earnings TMO is the cheaper of the two at a P/E of 34.1 against 103.3, a gap that is only a bargain if the two are growing at similar rates. Over the past year WAT returned +49% against +42% for TMO. Ryufin's sector-relative Smart Score puts TMO ahead, 9/10 against 3/10.

Thermo Fisher Scientific and Waters Corporationcompared on valuation, return and Ryufin’s Smart Score
FigureTMOWAT
Last close$634$414
Market cap$173B$35B
Trailing P/Elower is cheaper for the same earnings, not automatically better34.1103.3
Dividend yield0.3%n/a
1-year return+42%+49%
5-year return+19%+6.3%
Ryufin Smart Scoresector-relative, 1–109/103/10

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.

Thermo Fisher Scientific

Revenue of $12B in Q2 2026, net income $1.7B. Its largest reported line is Life Sciences Solutions, 38% of the disclosed total.

Waters Corporation

Revenue of $1.6B in Q2 2026, net income null. Its largest reported line is Consumables, 43% of the disclosed total.

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