SiriusXM Holdings Inc (SIRI) Institutional Ownership and Insiders Activity

SiriusXM Holdings Inc (SIRI) is widely held by institutional investors, with 4 tracked firms reporting positions valued at approximately $2.89B based on SEC Form 13F filings for the quarter ended March 31, 2026.

Berkshire Hathaway is the largest disclosed holder, reporting approximately $2.88B in SIRI holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Berkshire Hathaway representing the majority of disclosed value.