MRK vs TMO: Which is Better to Buy in 2026?

Side-by-side fundamental comparison based on AI analysis of SEC filings

AI Verdict

TMO has stronger fundamentals based on our AI analysis.

MRK
Merck & Co., Inc.
B
78%
Confidence
VS
TMO
THERMO FISHER SCIENTIFIC INC.
A
66%
Confidence

MRK vs TMO Fundamental Comparison

Metric MRK TMO
Revenue $16.3B $11.0B
Net Income $-4.2B $1.7B
Net Margin -26.0% 15.0%
ROE -9.2% 3.2%
ROA -3.3% 1.5%
Current Ratio 1.30x 1.53x
Debt/Equity 1.02x 0.83x
EPS $-1.72 $4.43

Green = Better metric | Red = Weaker metric

View Full MRK Analysis →
View Full TMO Analysis →
Browse Sectors: Technology Healthcare Finance Energy Consumer Industrial
Stock Lists: Top Rated Undervalued Growth Dividend

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MRK vs TMO: Frequently Asked Questions

Is MRK or TMO the better stock in 2026?

Based on dual AI fundamental analysis (Claude and ChatGPT), TMO has stronger fundamentals. MRK is graded B (78% confidence) while TMO is graded A (66% confidence). This is not investment advice.

How does MRK compare to TMO fundamentally?

Merck & Co., Inc. has ROE of -9.2% vs THERMO FISHER SCIENTIFIC INC.'s 3.2%. Net margins are -26.0% vs 15.0% respectively.

Which stock pays higher dividends, MRK or TMO?

MRK has a dividend yield of N/A or no dividend while TMO has N/A or no dividend. Check individual stock pages for detailed dividend history and payout ratios.

Should I invest in MRK or TMO for long term?

For long-term investing, consider that MRK has a B grade with 78% confidence, while TMO has a A grade with 66% confidence. Higher confidence indicates more consistent fundamentals from SEC filings. This is not investment advice - always do your own research.

What do the AI models say about MRK vs TMO?

Our dual AI system (Claude by Anthropic and ChatGPT by OpenAI) analyzes SEC 10-K and 10-Q filings independently. For MRK vs TMO, the AI consensus favors TMO based on fundamental metrics including revenue growth, profitability, ROE, and balance sheet strength.