RTX vs TMO: Which Is the Better Buy?

Side-by-side comparison of RTX Corporation and Thermo Fisher Scientific Inc. β€” fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-06-20.
RTX Corporation Β· Industrials
$185.60
-25.2% upside to fair value
Grade D
VS
Thermo Fisher Scientific Inc. Β· Healthcare
$464.61
+7.2% upside to fair value
Grade A High Quality
QuantHub Verdict
TMO has more upside to fair value (+7.2%). TMO trades at a lower forward P/E (25.2x). These are model outputs β€” not personalized investment advice. See all research β†’
Valuation & Fundamentals
Metric RTX TMO
Current Price $185.60 $464.61
Fair Value Estimate $138.81 $498.27
Upside to Fair Value -25.2% +7.2%
Market Cap $249.9B $172.7B
Forward P/E 34.3x 25.2x
EV / EBITDA 18.3x 19.1x
Price / Sales 2.8x 3.8x
Price / FCF 29.9x 25.6x
Revenue Growth YoY +8.7% +6.2%
Gross Margin 20.2% 39.4%
Operating Margin 10.9% 17.8%
Return on Equity 11.2% 13.3%
Dividend Yield 0% 0%
FCF Yield 3.34% 3.91%
Analyst Consensus Buy Strong Buy
Investment Thesis
RTX β€” RTX Corporation
RTX Corporation is a leading aerospace and defense company with a strong competitive moat driven by scale and an installed base in commercial aerospace via Pratt & Whitney and Collins Aerospace, and defense through Raytheon. The company benefits from a large multi-year backlog of approximately $270 billion supporting steady cash flow and mid-single-digit organic growth. Despite solid revenue grow…
TMO β€” Thermo Fisher Scientific Inc.
Thermo Fisher Scientific is a leading healthcare company specializing in life science tools, diagnostics, and contract research and manufacturing services. It operates with a broad, multi-layered moat driven by scale, integration, and a long-tenured management team. The company exhibits solid fundamentals with a 13.3% ROE, 6.2% revenue growth, and 9.6% earnings growth in the most recent quarter. …
Accumulation Zones
Metric RTX TMO
Zone Low $104.11 $373.70
Zone High $117.99 $423.53
In Buy Zone? No No
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