The S&P 500 Index ( ^GSPC -0.43%) enjoyed a fantastic year in 2024, gaining roughly 24% (as of Dec. 30). Warren Buffett's Berkshire Hathaway ( BRK.A 0.41%) ( BRK.B 0.25%) performed similarly, depending on which share class you look at.

Berkshire Hathaway bought up more VeriSign shares as the final days of 2024 ticked away. Warren Buffett’s company paid $15.6 million from Dec. 26 through Monday for 76,487 more shares of VeriSign, a provider of internet domain-name registry services.

The Berkshire Hathaway chief sticks to a winning investing formula, but he does not sit still.

Given these impressive returns, investors should keep an eye on Berkshire's portfolio for new ideas although make sure to do your due diligence. Here are two Warren Buffett stocks to buy hand over fist in January.

Warren Buffett is recognized as one of the greatest investors of our time. Since becoming chairman of Berkshire Hathaway (NYSE:BRK-A)(NYSE:BRK-B) in the mid-1960s, he has trounced the market, generating cumulative returns of more than 4.

Warren Buffett, the renowned investor and CEO of Berkshire Hathaway, has been a net seller of stocks for the past two years. From October 1, 2022, to September 30, 2024, Buffett sold more stock than he purchased for eight consecutive quarters.