Klaviyo Breaks Records with First AI-powered BFCM Share Klaviyo surpassed $3.8B in Klaviyo Attributed Value (KAV)*, up 27% YoY, and nearly 20,000 customers hit their best sales day ever. BOSTON--(BUSINESS WIRE)--Klaviyo (NYSE: KVYO), the B2C CRM, today released its 2025 BFCM Recap Report, showing that the five days between Thanksgiving and Cyber Monday (BFCM) were record- breaking, fueled not by deep discounts but by loyalty and AI-powered personalization. Even as industrywide discount rates fell, brands us ...