We recently compiled a list of the 12 Best Healthcare Stocks to Buy and Hold for 5 Years. Penumbra, Inc. is one of them. Penumbra, Inc. (NYSE:PEN) based in California, is a global leader in thrombectomy and vascular intervention technologies, offering products such as the Indigo and Lightning series, as well as neuro and vascular embolization solutions. Operating in over 100 countries, the company serves acute stroke and broader vascular markets through both direct and distributor-driven channels. In Sep ...