Stocks / AMPH vs MLTX

AMPH vs MLTX: Which Stock Is the Better Buy?

Amphastar Pharmaceuticals, Inc. and MoonLake Immunotherapeutics side by side — fundamentals from SEC filings, refreshed nightly. Sector: Healthcare.

MLTX is the larger company ($1.3B vs $0.9B). On the fundamentals, AMPH has the stronger return on equity (12.4% vs -74.7%). On the filings, AMPH carries fewer potential red flags (1 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — AMPH vs MLTX, 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.

 Amphastar Pharmaceuticals, Inc. (AMPH)MoonLake Immunotherapeutics (MLTX)
Market cap$0.9B$1.3B
Revenue (latest FY)$719.89M$0
Net income (latest FY)$98.09M$-227.32M
Revenue growth (5y CAGR)15.5%
Net margin13.6%
Return on equity12.4%-74.7%
P/E ratio12.2
Dividend yield
Profitable years (of last 10)90
Positive free cash flowYesNo

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full AMPH vs MLTX 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 AMPH's full financials →   Open MLTX's full financials →

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Frequently asked questions

Which is bigger, AMPH or MLTX?

MoonLake Immunotherapeutics is larger by market capitalization — $1.3B versus $0.9B.

Which grows faster, AMPH or MLTX?

Five-year growth data is not available for both companies.

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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