RTX vs TMO: Which Is the Better Buy?
Side-by-side comparison of RTX Corporation and Thermo Fisher Scientific Inc. — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-18.
RTX Corporation · Industrials
$193.54
+33.0% upside to fair value
Med Conviction
Grade B
High Quality
VS
Thermo Fisher Scientific Inc. · Healthcare
$658.32
+31.1% upside to fair value
Med Conviction
Grade B
High Quality
QuantHub Verdict
RTX has more upside to fair value
(+33.0%).
These are model outputs — not personalized investment advice.
See all research →
Valuation & Fundamentals
| Metric |
RTX |
TMO |
| Current Price |
$193.54 |
$658.32 |
| Fair Value Estimate |
$257.36 |
$863.34 |
| Upside to Fair Value |
+33.0%
|
+31.1%
|
| Market Cap |
$260.9B |
$244.7B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
18.1x
|
25.9x
|
| Price / Sales |
2.8x
|
5.3x
|
| Price / FCF |
21.7x
|
33.4x
|
| Revenue Growth YoY |
+14.5%
|
+10.5%
|
| Gross Margin |
20.3%
|
40.4%
|
| Operating Margin |
11.2%
|
17.7%
|
| Return on Equity |
11.8%
|
13.4%
|
| Dividend Yield |
1.46% |
0.28% |
| FCF Yield |
4.6%
|
3.0%
|
| Analyst Consensus |
Buy
|
Strong Buy
|
Investment Thesis
RTX Corporation is a $260.85 billion aerospace and defense conglomerate operating three segments — Collins Aerospace, Pratt & Whitney, and Raytheon — serving commercial aviation, military, and government customers worldwide with 180,000 employees. The business quality is high: it holds intangible-asset and switching-cost advantages rooted in long-cycle engine programs, proprietary defense electro…
Thermo Fisher Scientific is a global life-sciences and laboratory-services platform spanning Life Sciences Solutions, Analytical Instruments, Specialty Diagnostics, and Laboratory Products and Biopharma Services, with recognized brands including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Patheon, and PPD, serving pharmaceutical, biotech, clinical, academic, and governme…
Accumulation Zones
| Metric |
RTX |
TMO |
| Zone Low |
$193.02 |
$647.50 |
| Zone High |
$218.76 |
$733.84 |
| In Buy Zone? |
Yes
|
Yes
|