Klaviyo reported a significant increase in cash from operating activities, rising from $166.0 million in 2024 to $218.0 million in 2025. The company also increased its operating cash flow to $54.8 million in Q3 FY25 from $38.8 million in Q3 FY24, with free cash flow improving to $47.1 million from $34.2 million. Klaviyo's customer base grew to over 193,000 paying customers by the end of fiscal yea
