Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) is a top business that investors follow. That's because its longtime chief executive officer, Warren Buffett, has a fantastic track record of allocating capital for the conglomerate.

Berkshire also owns many stocks in its public equities portfolio that can give the average investor potential ideas to choose from. There's one company called Nu Holdings (NYSE: NU) that might fly under the radar. Berkshire's stake in Nu is worth $1.3 billion.

Investors looking to gain exposure to the fintech sector should certainly keep this business on their radars. But is Nu stock a buy, sell, or hold right now?

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Source Fool.com