UnitedHealth Group Incorporated is an American multinational for-profit organization that specializes in health insurance and healthcare services, located in Eden Prairie, Minnesota. Operating under the UnitedHealthcare brand for insurance products and the Optum brand for healthcare services, it is recognized as the world's seventh-largest company by revenue and the largest healthcare corporation by revenue. The company ranks 8th on the 2024 Fortune Global 500 list, with a market capitalization of $460.3 billion as of December 20, 2024. UnitedHealth Group has encountered numerous investigations, lawsuits, and penalties—including SEC enforcement related to stock option backdating, Medicare overbilling, unfair claims practices, denials of mental health treatments, and anticompetitive conduct—illuminating deep-rooted issues of fraud, patient harm, and corporate misconduct.