Nu Holdings (NYSE: NU) owns NuBank, the largest digital bank in Latin America. It served 139 million customers in the second quarter of 2026, representing 30% growth from a year earlier. As a digitally native bank, it expanded much faster than its brick-and-mortar peers.
Most of Nu's customers are located in Brazil, where it already serves more than half of the country's adult population. To gradually reduce its dependence on that maturing market, Nu is aggressively expanding in Mexico -- but that market has a higher ratio of non-performing loans. Nu is also ramping up its spending on additional products in Mexico -- including credit cards, bank deposits, loans, and other services -- to grow its revenue per active customer.
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Continue » Nu's customer base in Mexico grew 32% year over year to nearly 16 million customers in the second quarter. However, that expansion boosted its credit risk and average cost per active customer while compressing its margins. The Mexican government recently authorized Nu Mexico to operate as a full-fledged bank in the country.
Still, that approval could also expose it to tighter regulations, stricter capital requirements, and other banking expenses. So is Nu's Mexican business finally starting to carry its own weight, or is it still its weakest link? Nu expanded into Mexico in 2020.
Over the following five years, it launched its credit card, Cuenta Nu savings and debit accounts, Cajita digital savings app, and personal loans. It now serves 98% of all municipalities in Mexico, as well as 78% of customers outside major cities. Before joining NuBank, 35% and 52% of its Mexican customers lacked bank accounts and credit cards, respectively.
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