Berkshire Hathaway Inc. has made headlines as Warren Buffett, the company’s chairman, significantly increased his stake in Sirius XM Holdings Inc. The recent SEC filing reveals that Buffett acquired more than 113,000 shares of Sirius XM, reflecting his ongoing confidence in the company's growth and potential.

This acquisition comes amidst a competitive landscape in the radio broadcasting industry, where companies are continuously vying for market share and listener engagement. Buffett's investment may influence perceptions of Sirius XM's value and future performance.

Background

Berkshire Hathaway Inc. operates primarily in the fire, marine, and casualty insurance sector, as indicated by its SIC code of 6331. The company is publicly traded on the New York Stock Exchange under the tickers BRK-A and BRK-B. Recent filings include several Form 4 submissions, with the latest filed on November 3, 2026.

What the Filing Says

The SEC filing, with accession number 0001193125-26-445930, details three transactions involving common stock of Sirius XM. On October 30, 2026, Buffett acquired 743,965 shares at a price of $28.89 each. Following this, on November 2, he purchased an additional 66,968 shares at $29.47. The most recent transaction on November 3 involved the acquisition of 113,348 shares at $30.23.

Impact

This increase in ownership means that Berkshire Hathaway now holds a total of 125,731,398 shares of Sirius XM. Notably, a substantial portion of these shares is owned through Government Employees Insurance Company, a subsidiary of Berkshire. The filing indicates that Buffett, as the controlling stockholder of Berkshire, may be deemed to beneficially own these shares, although he disclaims ownership except for his pecuniary interest.

What's Next

The filing does not say what happens next regarding these acquisitions, but it highlights Berkshire's strategic approach to investing in media and entertainment sectors. Observers will be keen to see how this investment influences Sirius XM's operations and market positioning moving forward.