Klaviyo, Inc. Class A had a revenue of 293.12M in the quarter ending Jun 30, 2025, with 4.75%. This bring the company's revenue in the last twelve months to 1.08B, Decreased 7.04%. In the fiscal year ending Dec 31, 2024, Klaviyo, Inc. Class A had annual revenue of 937.46M with 34.29% growth.