Free US stock relative strength analysis and sector rotation tools to identify the strongest performing areas of the market. Our relative strength metrics help you focus on sectors and stocks with the most momentum. Berkshire Hathaway has re-entered the airline sector for the first time since exiting the industry in 2020, building a $2.6 billion position in Delta Air Lines. The stake makes Delta the Omaha-based conglomerate's 14th-largest holding as of the end of March, signaling a potential shift in Warren Buffett's long-term view on the airline industry.
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- Berkshire Hathaway built a $2.6 billion position in Delta Air Lines, making it the 14th-largest holding in its equity portfolio as of March 31.
- This is Berkshire's first airline investment since it liquidated its entire airline holdings in 2020.
- Delta Air Lines shares have been supported by strong post-pandemic travel demand and debt reduction efforts, although fuel costs remain a variable.
- The filing does not indicate positions in other major airlines, suggesting a selective rather than industry-wide re-engagement.
- Warren Buffett previously expressed skepticism about the airline industry's capital intensity and recurring losses, making this move a notable departure.
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Key Highlights
Berkshire Hathaway, led by Warren Buffett, has disclosed a new stake in Delta Air Lines valued at more than $2.6 billion, according to a recent regulatory filing. The position ranks as Berkshire's 14th-largest equity holding at the close of the first quarter.
This marks Berkshire's first significant airline investment since it sold its entire stake in the four largest U.S. carriers—American, Delta, Southwest, and United—during the COVID-19 pandemic downturn. At the time, Buffett described the airline industry's outlook as fundamentally altered. The new Delta position suggests a reassessment of the sector's recovery and long-term prospects.
The filing did not specify the exact number of shares purchased or the average entry price, but based on Delta's share price around the end of March, the stake equates to roughly 45 million to 50 million shares. Delta Air Lines has been among the stronger performers in the post-pandemic recovery, with consistent operational cash flow and a focus on debt reduction.
Berkshire's return to airlines is not yet a broad revival of the portfolio; only Delta appears in the latest 13F filing. The investment came as Delta reported improved international travel demand and a stabilizing cost environment.
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Expert Insights
Berkshire Hathaway's decision to re-enter the airline sector through Delta Air Lines may reflect a calculated bet on the carrier's operational discipline and market position. Industry observers note that Delta has maintained relatively higher margins among U.S. carriers, partly due to its premium service model and lucrative partnerships with international airlines.
The timing of the investment is also noteworthy. The airline industry has faced volatility from fuel price fluctuations and labor cost pressures, but Delta has consistently guided toward strong free cash flow generation. Berkshire's long holding periods and tolerance for cyclical downturns make the airline a potential fit for its portfolio if the cyclical risks are adequately priced.
However, this single position does not necessarily signal a full-scale return to airline investing. Berkshire continues to hold large stakes in insurance, energy, railroads, and consumer goods, and the Delta position represents a relatively small portion of its total equity portfolio (less than 2% of the roughly $370 billion in equities reported as of mid-2025).
Investors may interpret this as a vote of confidence in Delta's management and the broader travel recovery, but airlines remain exposed to economic cycles, competitive fare pressures, and geopolitical risks. The move carries both opportunity and caution.
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