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Buffett's Shot in the Arm Sends UnitedHealth Soaring Against the Odds

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Key Takeaways

  • UnitedHealth jumped nearly 12% after Berkshire revealed a $1.57B stake in the insurer.
  • Berkshire trimmed Apple, bank and telecom stakes while rotating into healthcare and infrastructure.
  • Despite sector challenges, UNH peers Centene and Elevance also rose on Berkshire's contrarian move.

Shares of UnitedHealth Group Incorporated (UNH - Free Report) jumped nearly 12% last Friday after Warren Buffett's Berkshire Hathaway Inc. (BRK.B - Free Report) revealed that it had snapped up a significant number of shares of the troubled health insurer. As of June 30, 2025, Berkshire had amassed more than 5 million UNH shares, a stake worth roughly $1.57 billion.

The disclosure came despite Berkshire maintaining its broader net-seller stance, marking the 11th consecutive quarter in which it sold more than it bought. That contrast underscores the significance of this investment: a classic Buffett-style contrarian bet on long-term value. When Buffett takes a stake, it sends a powerful message that he sees enduring potential, sparking a wave of copycat buying from both institutional and retail investors.

Berkshire pared back holdings in Apple, banks and telecom stocks, redirecting capital toward healthcare and infrastructure, a move that suggests a deliberate rotation into more defensive and cash-rich sectors.

For UnitedHealth, the timing is particularly notable. The company has faced a string of challenges over the past year, including a major cyberattack, the tragic killing of a senior executive, rising medical costs, two straight quarters of underwhelming earnings, a leadership shakeup and ongoing regulatory probes. Buffett’s entry signals that these issues may prove to be temporary, helping fuel the sharp rebound.

Moreover, peers such as Centene Corporation (CNC - Free Report) and Elevance Health, Inc. (ELV - Free Report) rose 5.8% and 4.8% last Friday, respectively, while both had cut their 2025 guidance on higher medical cost trends. This reflects investor belief that Berkshire’s move represents a potential re-rating of the sector as a whole.

Centene lowered its 2025 adjusted EPS guidance to $1.75 from the previous view of $7.25. It now expects the HBR to rise to 93.5% in the 2H 2025, a significant deterioration from the year-ago level of 89.4%. However, Centene expects its premium and service revenues to increase to around $172 billion.

Elevance now expects adjusted EPS for 2025 to be $30, lower than the previously forecasted range of $34.15-$34.85. It anticipates the benefit expense ratio to jump to 90% in 2025, up from the 2024 level of 88.5%. However, Elevance expects full-year operating cash flow at around $6 billion, up from the year-ago level of $5.8 billion.

UnitedHealth’s Price Performance, Valuation and Estimates

Shares of UNH have lost 39.9% in the year-to-date period compared with the industry’s decline of 32.1%.

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From a valuation standpoint, UnitedHealth trades at a forward price-to-earnings ratio of 17.48, up from the industry average of 14.55. UNH carries a Value Score of B.

Zacks Investment Research Image Source: Zacks Investment Research

The Zacks Consensus Estimate for UnitedHealth’s 2025 earnings is pegged at $16.58 per share, implying a 40.1% drop from the year-ago period.

Zacks Investment Research Image Source: Zacks Investment Research

The stock currently carries a Zacks Rank #5 (Strong Sell).

You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.

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