PFE vs RTX: Which Is the Better Buy?

Side-by-side comparison of Pfizer Inc. and RTX Corporation — fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-06-20.
Pfizer Inc. · Healthcare
$25.22
+2.8% upside to fair value
Grade B
VS
RTX Corporation · Industrials
$185.60
-25.2% upside to fair value
Grade D
QuantHub Verdict
PFE has more upside to fair value (+2.8%). PFE trades at a lower forward P/E (19.2x). These are model outputs — not personalized investment advice. See all research →
Valuation & Fundamentals
Metric PFE RTX
Current Price $25.22 $185.60
Fair Value Estimate $25.92 $138.81
Upside to Fair Value +2.8% -25.2%
Market Cap $143.7B $249.9B
Forward P/E 19.2x 34.3x
EV / EBITDA 12.3x 18.3x
Price / Sales 2.3x 2.8x
Price / FCF 15.2x 29.9x
Revenue Growth YoY +5.4% +8.7%
Gross Margin 69.3% 20.2%
Operating Margin 23.4% 10.9%
Return on Equity 8.4% 11.2%
Dividend Yield 0% 0%
FCF Yield 6.6% 3.34%
Analyst Consensus Hold Buy
Investment Thesis
PFE — Pfizer Inc.
Pfizer Inc. is a leading global biopharmaceutical company with a diversified portfolio dominated by its Biopharma prescription segment, which accounts for over 90% of revenue. The company benefits from a substantial scale, a broad product portfolio including top-selling drugs like Eliquis, Prevnar, and Paxlovid, and a strong manufacturing footprint. However, Pfizer faces challenges from declining…
RTX — 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…
Accumulation Zones
Metric PFE RTX
Zone Low $19.44 $104.11
Zone High $22.03 $117.99
In Buy Zone? No No
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