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LLY vs MRK: Which Stock Is the Better Buy?

Eli Lilly and Company and Merck & Co., Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Healthcare.

LLY is the larger company ($1.08T vs $320.0B). On the fundamentals, LLY grows revenue faster (21.6% vs 9.4%); LLY earns a higher net margin (31.7% vs 28.1%); LLY has the stronger return on equity (77.8% vs 34.7%). On the filings, MRK carries fewer potential red flags (0 vs 3). Full numbers below — the stronger figure on each row is in green.

AI verdict — LLY vs MRK, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Eli Lilly and Company (LLY)Merck & Co., Inc. (MRK)
Market cap$1.08T$320.0B
Revenue (latest FY)$65.18B$65.01B
Net income (latest FY)$20.64B$18.25B
Revenue growth (5y CAGR)21.6%9.4%
Net margin31.7%28.1%
Return on equity77.8%34.7%
P/E ratio43.136.5
Dividend yield0.6%2.6%
Profitable years (of last 10)910
Positive free cash flowYes
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See the full LLY vs MRK breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open LLY's full financials →   Open MRK's full financials →

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Frequently asked questions

Which is bigger, LLY or MRK?

Eli Lilly and Company is larger by market capitalization — $1.08T versus $320.0B.

Which grows faster, LLY or MRK?

Over the last five fiscal years, Eli Lilly and Company grew revenue faster — 21.6%/yr versus 9.4%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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