MRK vs TSM: Which Is the Better Buy?

Side-by-side comparison of Merck & Co., Inc. and Taiwan Semiconductor Manufacturing Company Limited — fair value, conviction, valuation metrics, and QuantHub research signals. Updated 2026-04-11.
Merck & Co., Inc. · Healthcare
$121.42
-2.9% upside to fair value
Med Conviction Grade B
VS
Taiwan Semiconductor Manufacturing Company Limited · Technology
$365.90
-3.8% upside to fair value
Med Conviction Grade B+
QuantHub Verdict
MRK has more upside to fair value (-2.9%). MRK trades at a lower forward P/E (14.0x). These are model outputs — not personalized investment advice. See all research →
Valuation & Fundamentals
Metric MRK TSM
Current Price $121.42 $365.90
Fair Value Estimate $118.00 $352.00
Upside to Fair Value -2.9% -3.8%
Market Cap $300.2B $1,897.7B
Forward P/E 14.0x 26.0x
EV / EBITDA 11.8x 18.1x
Price / Sales 4.1x 13.3x
Price / FCF 21.4x 54.0x
Revenue Growth YoY +1.3% +33.0%
Gross Margin 81.5% 59.9%
Operating Margin 41.2% 50.8%
Return on Equity 34.7% 35.1%
Dividend Yield 3.1% 1.05%
FCF Yield 4.7% 1.85%
Analyst Consensus Buy Strong Buy
Investment Thesis
MRK — Merck & Co., Inc.
Merck is a top-5 global pharmaceutical company generating $65B in annual revenue with 81.5% gross margins and 28% net margins. Keytruda, the world's best-selling drug at $31.7B (49% of pharma revenue), faces patent expiry in 2028. Merck is aggressively building replacements through M&A and pipeline launches: Winrevair ($1.4B year one), Capvaxive ($759M), and the $6.7B Terns acquisition for TERN-7…
TSM — Taiwan Semiconductor Manufacturing Company Limited
TSMC remains the single most critical company in the global semiconductor supply chain, manufacturing virtually every leading-edge AI chip for NVIDIA, Apple, AMD, and the hyperscalers. The company delivered exceptional 2025 results with 33% revenue growth and 50% net income growth, driven by HPC surging to 55% of Q4 revenue. At the 3nm node, TSMC maintains production yields of 70-80% versus Samsu…
Accumulation Zones
Metric MRK TSM
Zone Low $88.00 $265.00
Zone High $100.00 $310.00
In Buy Zone? No No
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