Key Takeaways Nu Holdings reached 123M customers in Q2 2025, covering 60% of Brazil's adult population.NU added 18M new customers in 12 months, averaging 1.5M sign-ups monthly.Quarterly revenues rose 29% year over year to $3.7B, driven by rapid customer growth.When it comes to fintech disruption, few players are rewriting the rules like Nu Holdings Ltd. (NU) . The secret? Not just fancy apps or sleek cards, it’s pure, relentless customer growth.In the second quarter of 2025, the company reached a remarkable ...