Customer Growth and Market Expansion - As of June 30, 2024, Klaviyo had over 151,000 customers, with a significant increase in customers generating over 50,000ofARR,risingto2,386from1,458ayearprior,representinga6457.6 million or 35.0%, reaching 222.2millioncomparedto164.6 million for the same period in 2023[101] - Revenue for the six months ended June 30, 2024 increased by 111.5millionor34.8432.2 million compared to 320.7millionforthesameperiodin2023[102]−GrossprofitforthethreemonthsendedJune30,2024increasedby44.8 million or 35.3%, reaching 171.9millioncomparedto127.1 million for the same period in 2023[105] - Gross profit for the six months ended June 30, 2024 increased by 90.4millionor36.6337.0 million compared to 246.6millionforthesameperiodin2023[106]CostandExpenses−CostofrevenueforthethreemonthsendedJune30,2024increasedby12.8 million or 34.1%, amounting to 50.3millioncomparedto37.5 million for the same period in 2023[103] - Cost of revenue for the six months ended June 30, 2024 increased by 21.2millionor28.695.2 million compared to 74.1millionforthesameperiodin2023[103]−SellingandmarketingexpensesforthethreemonthsendedJune30,2024were94.5 million, up from 63.4millioninthesameperiodin2023[96]−SellingandmarketingexpensesforthesixmonthsendedJune30,2024increasedby62.4 million or 50.3%, to 186.4millioncomparedto124.0 million for the same period in 2023[108] - Research and development expenses for the three months ended June 30, 2024 were 55.7million,comparedto33.1 million for the same period in 2023[96] - Research and development costs for the six months ended June 30, 2024 increased by 43.7millionor64.2111.8 million compared to 68.1millionforthesameperiodin2023[111]−GeneralandadministrativeexpensesforthethreemonthsendedJune30,2024were35.8 million, an increase from 23.7millioninthesameperiodin2023[96]−GeneralandadministrativeexpensesforthesixmonthsendedJune30,2024increasedby28.3 million or 60.6%, to 75.0millioncomparedto46.7 million for the same period in 2023[113] Cash and Liquidity - As of June 30, 2024, the company had cash, cash equivalents, and restricted cash totaling 794.6million,with322.8 million in money market funds[119] - Total working capital increased to 740.8millionasofJune30,2024,upfrom672.9 million as of December 31, 2023, representing a growth of approximately 10.1%[121] - Net cash provided by operating activities for the six months ended June 30, 2024, was 67.1million,comparedto57.0 million for the same period in 2023, reflecting an increase of 17.5%[123][126] - Cash and restricted cash at the end of the period reached 794.6million,upfrom439.8 million at the end of June 30, 2023, indicating a year-over-year increase of approximately 80.5%[122] - The company expects continued growth in cash balances as business operations expand, with a diversified cash management strategy to mitigate risks[129] - The company had no debt as of June 30, 2024, eliminating potential market risk for interest expense[136] Market Strategy and Innovations - Klaviyo's platform combines data and application layers with advanced machine learning and AI capabilities, enhancing customer engagement across email, SMS, and push notifications[68] - The company focuses on a land-and-expand strategy, where customer growth leads to increased usage of the platform, driving revenue expansion[68] - Klaviyo has invested in product innovation, recently launching Klaviyo AI to enhance customer engagement and campaign management[74] - Klaviyo's SMS offering, launched in 2021, has seen increased adoption, with expectations of higher communication costs impacting gross margins, particularly in the fourth quarter[76] Other Financial Metrics - Interest income for the six months ended June 30, 2024 increased by 11.2millionor135.219.5 million compared to 8.3millionforthesameperiodin2023[117]−Non−cancellableleaseobligationsasofJune30,2024,totaled49.3 million, with 13.3millionduewithinthenext12months[130]−Non−cancellableobligationswithmarketingvendorsandserviceprovidersamountedto279.2 million as of June 30, 2024[132] - The company maintains a full valuation allowance on its U.S. federal and state net deferred tax assets, indicating uncertainty in realizing these assets[93] - The company has not experienced significant inflationary pressures, but continues to monitor and manage costs to mitigate potential impacts[137] Seasonal Trends - Seasonality impacts demand, particularly in the fourth quarter, as customers increase marketing campaigns during the holiday shopping season[84]