Strong Q1 Results

Klaviyo’s Q1 2026 results marked a decisive turnaround: revenue rose 28 % to $358.01 million from $279.83 million, and the company posted a $9.04 million net income, shifting from a $14.09 million loss a year earlier. Non‑GAAP operating margin exceeded 16 %—the highest ever for the firm—while free‑cash‑flow margin stayed at 16 % over the trailing twelve months. Earnings per share climbed from $0.14 to $0.22. At quarter‑end, Klaviyo had 196,000 customers, with 4,175 generating over $50,000 of ARR and a net‑revenue‑retention rate of 110 %.