In April, UnitedHealthcare announced its plan to exit 26 of its 34 healthcare exchanges beginning in 2017. To many, this didn’t come as a surprise, as the insurer had been warning since late last year that the exchanges were a risky investment. (To date, Aetna, the nation’s third-largest health insurance provider, Humana, the fifth largest health insurance company in the U.S., and Blue Cross Blue Shield of North Carolina have also pulled subsidized health plans from select states—citing financial losses as the primary driver.)