Stocks / CPRX vs KNSA

CPRX vs KNSA: Which Stock Is the Better Buy?

Catalyst Pharmaceuticals, Inc. and Kiniksa Pharmaceuticals International, plc side by side — fundamentals from SEC filings, refreshed nightly. Sector: Healthcare.

KNSA is the larger company ($3.9B vs $3.8B). On the fundamentals, CPRX earns a higher net margin (36.4% vs 8.7%); CPRX has the stronger return on equity (22.5% vs 10.4%); CPRX trades cheaper on earnings (18.1× vs 55.5×). Both carry 3 potential red flags in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — CPRX vs KNSA, 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.

 Catalyst Pharmaceuticals, Inc. (CPRX)Kiniksa Pharmaceuticals International, plc (KNSA)
Market cap$3.8B$3.9B
Revenue (latest FY)$588.99M$677.56M
Net income (latest FY)$214.33M$59.01M
Revenue growth (5y CAGR)37.7%
Net margin36.4%8.7%
Return on equity22.5%10.4%
P/E ratio18.155.5
Dividend yield
Profitable years (of last 10)73
Positive free cash flowYesYes

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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 CPRX vs KNSA 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 CPRX's full financials →   Open KNSA's full financials →

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Frequently asked questions

Which is bigger, CPRX or KNSA?

Kiniksa Pharmaceuticals International, plc is larger by market capitalization — $3.9B versus $3.8B.

Which grows faster, CPRX or KNSA?

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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