The Omaha, Nebraska-based conglomerate purchased roughly 2.3 million shares for about $54 million in separate transactions Thursday through Monday.

Berkshire Hathaway first bought Apple ( AAPL 1.86%) shares in the first quarter of 2016. That was a wildly successful decision, as the "Magnificent Seven" stock has soared 797% since the start of that year (as of Jan. 31).

Warren Buffett is one of the most-watched investors on the face of the planet. It might sound bananas, but I think Warren Buffett-led Berkshire Hathaway would be smart to buy Bitcoin (CRYPTO: BTC) right now.

Berkshire Hathaway offers a promising investment opportunity with a strong portfolio and cash reserves, despite short-term risks. Explore more details here.

Nevertheless, the 44-stock, $301 billion portfolio Warren Buffett oversees at Berkshire Hathaway has roughly $74 billion collectively invested in two of Wall Street's leading arti

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.

Shares of Sirius XM Holdings, Inc. (SIRI) rose early Tuesday as Warren Buffett-led Berkshire Hathaway, Inc. (BRK-A) (BRK-B) disclosed in a late Monday SEC filing that it has increased its stake in the New York-based broadcasting company.