Sirius XM, backed by Berkshire Hathaway, maintains strong market share and high ARPU despite competition from Spotify and Apple Music. Find out why SIRI stock is a Buy.

But Buffett (or one of his fellow managers) is buying at least one stock for Berkshire Hathaway shareholders based on required filings with the SEC. Over the last few years, Buffett had some predictable stock purchases, but even those might not be so reliable in today's market.

Sirius XM needed it. The stock is down 51% in 2024 and fell to a 12-year low of $22.18 on Oct. 7. The shares looked ready to rally in July, but found resistance at their 200-day moving average. Options traders are all in on calls.

Billionaire investor Warren Buffett’s Berkshire Hathaway (NYSE:BRK.A) has continued to buy shares in the broadcasting and radio company SiriusXM (NASDAQ:SIRI), adding more than 1.5M shares to push its stake above 32% this week.

Berkshire Hathaway is arguably always Buffett's favorite stock. But another stock commands a strong second place.

Warren Buffett's Berkshire Hathaway now has a stake of about 32.5% in Sirius XM’s publicly traded stock, having become the top holder last month.

Warren Buffett’s company apparently is taking advantage of the weakness in the stock, which is down 50% this year.

Warren Buffett has been buying shares of Sirius XM Holdings. Between Oct. 9 and Oct. 11, Berkshire Hathaway purchased an additional 3,564,059 shares of Sirius XM for $86.7 million. This increased its stake in the company to 32.