Warren Buffett-led Berkshire Hathaway's (NYSE: BRK.A)(NYSE: BRK.B) had a substantial investment in General Motors (NYSE: GM). According to Berkshire's SEC filings, the conglomerate owned 50 million shares of GM at the beginning of that year,

Unfortunately, the most interesting fact about Buffett's Coca-Cola holding is arguably the inaction over the last 31 years. Although standing pat led to a steadily rising stream of dividend income, it also meant staying in a stock that underperformed the indexes.

Investors often turn to Warren Buffett for advice for one good reason: He's proven his ability to navigate any investing waters -- from moments of euphoria to the doldrums -- and win over time. Buffett doesn't rush to buy the hottest stocks as markets soar and doesn't panic-sell during difficult periods.

Some of the Oracle of Omaha's most-popular buys -- as well as Berkshire's largest holding -- offer robust upside potential in 2025.

The Oracle of Omaha's secret portfolio contains 120 securities -- one of which is a historically cheap AI stock.