Group 1 - Sirius XM Holdings Inc is facing potential changes as Howard Stern's five-year contract worth $500 million is set to expire at the end of 2025, with reports suggesting the company may move on from him [2][5] - Warren Buffett has been increasing his investment in Sirius XM, owning approximately 119,776,692 shares valued at $2.5 billion, which constitutes 0.9% of Berkshire Hathaway's assets [3][4] - Sirius XM currently has around 33 million subscribers, but a report indicates that 15% of Stern's listeners, equating to about 2.7 million subscribers, would cancel if he were to leave [5][6] Group 2 - Sirius XM's second-quarter results showed a decline in revenue to $2.14 billion, with both subscription and advertising revenues decreasing year-over-year [6] - The stock price of Sirius XM is currently at $21.02, reflecting a year-to-date decline of 7.81% in 2025, with a 52-week trading range between $18.69 and $36.40 [7]