Palo Alto Investors

PAI is a physician-led healthcare-focused investment firm. Using our unique perspective, we immerse ourselves in companies that are misunderstood and/or mispriced. We believe our years of experience practicing medicine allow us to identify competitive advantages and find companies that stand out from the overall sector. Palo Alto Investors LP (PAI) is a physician-led investment firm conducting deep, fundamental research since 1989. We apply our expertise, original insight, and exhaustive research to identify long-term investments for high-net-worth and institutional investors. Our commitment to continuous learning allows us to develop a comprehensive understanding of every company in our portfolio – an understanding that only deepens over time.