Regulatory filings show Berkshire Hathaway increased its stake in satellite-radio operator Sirius XM across three consecutive trading days from Oct. 30 to Nov. 3, spending roughly $26.89m. Sirius XM shares rose 12.74% over the past week, closing Wednesday at $33.40, implying a market value of about $11.2bn.

2026-11-05

Regulatory filings show Berkshire Hathaway increased its stake in satellite-radio operator Sirius XM across three consecutive trading days from Oct. 30 to Nov. 3, spending roughly $26.89m. Sirius XM shares rose 12.74% over the past week, closing Wednesday at $33.40, implying a market value of about $11.2bn.