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.

Key Takeaways Berkshire Hathaway has bought more shares of satellite radio broadcaster SiriusXM, a new SEC filing shows.Shares of the owner of its namesake satellite provider and the Pandora streaming service rose Tuesday.

Berkshire Hathaway has compounded shareholder capital at nearly 20% annually since the 1960s. It all comes down to capital allocation, something the great Warren Buffett, longtime CEO of Berkshire, is great at.