Major health insurers topped first-quarter estimates, but delayed claims data means the second quarter will test whether medical costs are truly stabilizing.
Major U.S. health insurers opened the year with stronger-than-expected results, offering investors some relief after a stretch of elevated medical costs. But analysts say the sector’s first-quarter performance is not yet enough to show that cost pressures are firmly under control.
UnitedHealth, Elevance, Cigna and Humana all beat quarterly estimates, and some insurers raised their 2026 outlooks. The results helped improve sentiment around the group, even as companies continue to contend with higher use of medical care and the expense of paying claims.
Part of the first-quarter strength was expected. Barclays analyst Andrew Mok said seasonal factors, including a milder flu season and weather disruptions that temporarily held down medical costs, helped the quarter. Mok said the more meaningful sign was that insurers strengthened medical reserves, the money set aside to pay future claims, giving them more cushion to support their forecasts.
The caveat is that insurers still do not have a complete picture of first-quarter medical costs. Baird analyst Michael Ha noted that claims for hospital stays and procedures can take one or two months to be reviewed and reimbursed, meaning companies may have only limited hard claims data by the time they report early-year results.
That lag makes the second quarter the more important test. As delayed claims are processed, insurers and investors should get a clearer view of whether medical costs are tracking as expected, whether plans were priced appropriately and how earnings may develop through the rest of 2026.
The industry’s better start also reflects steps insurers have taken after two years of pressure. Ha attributed some of the quarterly beats to more conservative pricing in businesses such as Medicare Advantage, the privately run Medicare plans that have been a major source of rising costs as older adults use more care. Companies have also pulled back from less profitable markets, reduced membership in some areas and adjusted pricing and benefits to better match medical expenses.
UnitedHealth, for example, said in October that it would stop offering Medicare Advantage plans in 109 U.S. counties starting in 2026, affecting 180,000 members who had to seek new coverage options.
Analysts will be watching medical loss ratios, a key measure of medical costs as a share of premiums, as second-quarter results arrive. Several insurers reported first-quarter ratios that were lower than Wall Street expected, but those readings could shift as more claims data comes in.
For now, the sector has a more favorable setup than it did during the recent cost spike. The next round of results will show whether that improvement is durable or simply a first-quarter lift helped by timing and seasonality.
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