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Arrowhead Pharmaceuticals vs Mirum Pharmaceuticals

Arrowhead Pharmaceuticals is the larger business, with $829m of revenue in fiscal 2025 against $521m for Mirum Pharmaceuticals (1.6 times as much). Arrowhead Pharmaceuticals grew faster (23258.2% against 54.7%). Arrowhead Pharmaceuticals kept more of each dollar of sales as profit: a net margin of -0.2% against -4.5%.

Latest fiscal yearArrowhead PharmaceuticalsARWR, 2025Mirum PharmaceuticalsMIRM, 2025
Revenue $829m $521m
Revenue growth 23258.2% 54.7%
Net income −$1.6m −$23.4m
Operating margin — -4.2%
Net margin -0.2% -4.5%
Return on equity -0.5% -8.6%
Free cash flow $157m $54.9m
Cash $227m $297m
Total debt $255m $310m
Debt to equity — 98.4%
Dividend per share — —
Dividend yield — —
Share buybacks — —
Employees 711 372
Market value $8.43bn $5.61bn
Price vs our value range — —
Moat score 10 (Weak) 10 (Weak)
Insider trades, 12 months 0 buys, 64 sales 1 buys, 59 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.