PFE vs UNH: Which Is the Better Buy?

Side-by-side comparison of Pfizer Inc. and UnitedHealth Group Incorporated — fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-07-17.
Pfizer Inc. · Healthcare
$25.22
+2.8% upside to fair value
Grade B
VS
UnitedHealth Group Incorporated · Healthcare
$423.38
+45.0% upside to fair value
Grade B High Quality
QuantHub Verdict
UNH has more upside to fair value (+45.0%). 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 UNH
Current Price $25.22 $423.38
Fair Value Estimate $25.92 $613.90
Upside to Fair Value +2.8% +45.0%
Market Cap $143.7B $384.5B
Forward P/E 19.2x 27.2x
EV / EBITDA 12.3x 13.8x
Price / Sales 2.3x 0.8x
Price / FCF 15.2x 19.6x
Revenue Growth YoY +5.4% +0.4%
Gross Margin 69.3% 18.8%
Operating Margin 23.4% 4.2%
Return on Equity 8.4% 12.4%
Dividend Yield 0% 0%
FCF Yield 6.6% 5.12%
Analyst Consensus Hold Strong 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…
UNH — UnitedHealth Group Incorporated
UnitedHealth Group Incorporated operates in the healthcare sector, specifically within medical and healthcare plans, providing a durable business model supported by a strong competitive moat and consistent earnings growth. The company currently trades at a price of $423.38 with a market cap of $359.873 billion, reflecting a valuation that is cheap relative to its five-year history, supported by a…
Accumulation Zones
Metric PFE UNH
Zone Low $19.44 $460.42
Zone High $22.03 $521.81
In Buy Zone? No Yes
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