CAT vs TMO: Which Is the Better Buy?

Side-by-side comparison of Caterpillar Inc. and Thermo Fisher Scientific Inc. โ€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-05-04.
Caterpillar Inc. ยท Industrials
$794.65
+30.6% upside to fair value
Grade C High Quality
VS
Thermo Fisher Scientific Inc. ยท Healthcare
$462.60
+10.1% upside to fair value
Grade B
QuantHub Verdict
CAT has more upside to fair value (+30.6%). TMO trades at a lower forward P/E (25.1x). These are model outputs โ€” not personalized investment advice. See all research โ†’
Valuation & Fundamentals
Metric CAT TMO
Current Price $794.65 $462.60
Fair Value Estimate $1,037.56 $509.20
Upside to Fair Value +30.6% +10.1%
Market Cap $371.9B $171.9B
Forward P/E 41.8x 25.1x
EV / EBITDA 27.3x 19.0x
Price / Sales 5.5x 3.8x
Price / FCF 36.2x 25.5x
Revenue Growth YoY +18.0% +6.2%
Gross Margin 32.3% 39.4%
Operating Margin 16.6% 17.8%
Return on Equity 45.1% 13.3%
Dividend Yield 0% 0%
FCF Yield 2.76% 3.92%
Analyst Consensus Buy Strong Buy
Investment Thesis
CAT โ€” Caterpillar Inc.
Caterpillar Inc. is the world's leading manufacturer of construction and mining equipment, with a diversified revenue base across Energy and Transportation, Construction Industries, Resource Industries, and Financial Products. The company benefits from a durable competitive moat driven by its extensive global operations, strong brand, and operational excellence. Despite strong revenue growth of 1โ€ฆ
TMO โ€” Thermo Fisher Scientific Inc.
Thermo Fisher Scientific Inc. operates in the healthcare sector, specializing in medical diagnostics and research tools across four main segments: Laboratory Products and Biopharma Services, Life Sciences Solutions, Analytical Instruments, and Specialty Diagnostics. The company demonstrates medium business quality with steady revenue growth of 6.2% and earnings growth of 9.6% in the most recent qโ€ฆ
Accumulation Zones
Metric CAT TMO
Zone Low $778.17 $381.90
Zone High $881.93 $432.82
In Buy Zone? Yes No
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