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UnitedHealth Group continued its dominance of the U.S. health insurance market in 2018, adding another 2.4 million members and $20.2 billion in revenues to its core UnitedHealthcare business compared to the previous year. Beyond retaining its status as the nation’s largest private insurer, UnitedHealth continued to enjoy the pull of its Optum health services and analytics business, which raked in more than $101 billion, or 11.1% year-over-year growth. By those metrics, new CEO David Wichmann’s first full year at the helm was a resounding success. But there may be trouble brewing on the horizon: In recent months, health insurers have taken a beating in the market as the concept of “Medicare for All” becomes increasingly popular among Democratic presidential candidates. (Wichmann has been one of the loudest critics of universal health care proposals.)

Company Information

David S. Wichmann
Health Care
Health Care: Insurance and Managed Care
HQ Location
Minnetonka, Minn.
Years on Global 500 List23

UnitedHealth Group Rank History


Key Financials (Last Fiscal Year)

($ Millions)% change
Revenues ($M)$226,247.0012.5%
Profits ($M)$11,986.0013.5%
Assets ($M)$152,221.00-
Total Stockholder Equity ($M)$51,696.00-

Profit Ratios

Profit as % of Revenues5.3%
Profits as % of Assets7.9%
Profits as % of Stockholder Equity23.2%