KVYO

Klaviyo's stock (KVYO) has experienced significant volatility and a downward trend over the past six months, with shares sliding approximately 51% year-to-date in 2026. In Q1 2026, Klaviyo reported strong results with revenue up 28% year-over-year to $358.0 million and GAAP net income of $9.0 million, leading to raised full-year 2026 revenue guidance and a $500 million share repurchase authorization, though CFO Amanda Whalen announced her departure. Despite exceeding Q2 2026 revenue estimates with $370.58 million (up 26.4% year-over-year), the stock dropped about 13.3% due to a revised gross margin outlook and reduced full-year non-GAAP operating income guidance, attributed to a mix shift towards lower-margin messaging and increased product investments. Benchmark subsequently downgraded Klaviyo's stock from 'Buy' to 'Hold' citing unresolved Q1 concerns, slowing growth, negative earnings revisions, and limited margin visibility. Ongoing heavy insider selling, notably by Summit Partners and CFO Amanda Whalen, has compounded pressure on the stock. Macroeconomic headwinds, including a broader software-sector pullback, Federal Reserve rate decisions, and rising Treasury yields, have also influenced the stock's decline. In September 2026, Klaviyo rolled out extensive AI-focused CRM upgrades, opened its platform to over 260 MCP tools and 490 APIs, introduced SQL-powered querying and real-time personalization features, and revealed a two-way integration with MNTN, Inc.