Or, at least someone on his investment team is. Buffett's holding company now owns around $2.4 billion in Sirius XM shares, equal to roughly 30% of the total shares outstanding. Buffett's involvement alone is triggering many investors to pay closer attention.

Warren Buffett’s Berkshire Hathaway has spent another $54 million to purchase Sirius XM stock, giving it a stake of more than 35% in the satellite-radio company.

Warren Buffett continued to increase his stake in the satellite streaming and radio company as it grew the podcasting business and ramped up its customer base through in-car services in Tesla and Rivian EV models.

Warren Buffett’s Berkshire Hathaway (BRK.A) (BRK.B) has recently increased its stake in Sirius XM Holdings Inc. (SIRI), now owning over 35% of

This was the stock's second consecutive day of gains.

Shares of Sirius XM Holdings, Inc. (SIRI) rose early Tuesday as Warren Buffett-led Berkshire Hathaway, Inc. (BRK-A) (BRK-B) disclosed in a late Monday SEC filing that it has increased its stake in the New York-based broadcasting company.

Warren Buffett’s Berkshire Hathaway (NYSE:BRK.A) (NYSE:BRK.B) has further raised its bet on Sirius XM Holdings (NASDAQ:SIRI), boosting its stake to over 35%, latest regulatory filings show. The conglomerate acquired around 2.