PEN

What You Should Know

Penumbra, Inc. designs and sells interventional medical devices, best known for its mechanical thrombectomy systems used to remove blood clots in stroke and other vascular conditions, along with embolization and immersive-healthcare rehabilitation products. Designing and selling life-saving medical devices is a clearly permissible activity that benefits human health, so the business-activity screen passes cleanly. Penumbra is notable for carrying little to no long-term debt and funding operations largely from equity and operating cash flow, so the total-debt-to-market-cap ratio is comfortably within the 33% threshold; still, confirm the debt and receivables ratios against the latest filings. The main purification item is interest income earned on the company's cash and investment balances, which should be checked against the 5% threshold and the corresponding portion of returns purified. On that basis Penumbra is generally screened as halal, with only routine purification of minor interest income.