Investing at the crossroads of financial services and technology can be an exciting way to allocate capital. And there might be no two companies grabbing the attention of the investment community quite like Nu Holdings (NYSE: NU) and SoFi Technologies (NASDAQ: SOFI).
Their share prices have been under pressure in 2026. But these fintech stocks have outperformed the S&P 500 index in the past three years. For growth investors looking to score huge returns, which of these businesses is the better buy right now?
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Nu Holdings thrives thanks to robust unit economics
Nu’s growth gets a lot of attention, which isn’t surprising. The company’s revenue totaled $16.3 billion in 2025. This was up 240% compared to 2022, thanks to a burgeoning customer base. As of March 31, Nu counted 135 million customers, of which 115 million are in Brazil, 15 million are in Mexico, and 5 million are in Colombia. And the business plans to commence operations in the U.S. next year.
Revenue growth has spurred impressive bottom-line performance. Net income surged 41% year over year in Q1 2026. But investors must dig deeper to understand why the business has become so profitable. It comes down to unit economics. Nu generates $15.90 in revenue per active customer, which is significantly higher than the $1 it costs to serve them.
Another factor that is easy to overlook is that Nu doesn’t operate any physical bank branches. As a result, it completely avoids the overhead costs associated with it. By running a leaner business model compared to traditional banks, the company can support its bottom line.
Nu’s valuation is too hard to ignore. Shares trade 30% below their late January peak (as of May 29). And investors can now buy the stock at a forward price-to-earnings (P/E) ratio of 18.3.
SoFi Technologies continues to focus on innovation
Shares of SoFi have also taken it on the chin. They are 43% off their record, which was set in November last year. Whether it’s fears about a possible recession and the impact it could have on the company’s financials, disruption from artificial intelligence (AI) displacing knowledge workers, or a March short report calling SoFi’s accounting practices into question, investors have had a lot to think about recently.
But now, the valuation has gotten more attractive. This stock can be purchased at a forward P/E multiple of 30.4. This is obviously not as cheap as Nu, but the fundamentals might convince investors to take a closer look.
