Klaviyo — Q3 2026 Earnings Summary

Klaviyo reported third-quarter 2026 revenue of $387.2 million, reflecting a 25% year-over-year increase. The company raised its full-year 2026 revenue guidance to a range of $1.537 billion to $1.541 billion, anticipating approximately 25% growth. Key operational highlights include a Net Revenue Retention rate of 108%, the addition of over 211,000 customers, and significant growth in large enterprise accounts generating over $500,000 in ARR. Additionally, Klaviyo announced a new $300 million share repurchase program and highlighted the launch of new AI-driven products such as Composer and Klaviyo Headless.