Warren Buffett still likes satellite radio.

At least that's the message his iconic firm is sending, as Berkshire Hathaway (BRK.A, BRK.B) has bought more shares of SiriusXM Holdings (SIRI), surpassing a 35% stake in the satellite radio provider and owner of the Pandora music streaming service, per a new filing with the Securities and Exchange Commission.

In a series of transactions across late January and early February, Berkshire bought up just over 2.3 million shares, bringing Berkshire's total position in SiriusXM to more than 119.78 million shares. At the stock's Tuesday price, Berkshire's stake in Sirius is worth about $2.91 billion.

In its annual 10-K report issued late last month, SiriusXM said there were just under 338.77 million outstanding shares of the company, giving Berkshire a stake of about 35.36% in the broadcaster, up from 34.67% previously.

The iconic investing firm has made a number of shifts to its investments over the last several months, bringing the firm's cash pile to a string of new record highs, sitting at $325 billion by the end of the third quarter. Berkshire trimmed some of its biggest and longest-held bets including Bank of America (BAC) and Apple (AAPL), while making some new bets like Domino's Pizza (DPZ) in 2024.

Sirius shares were up around 1% midday Tuesday, and are down more than 50% over the last 12 months.