---
schema_version: "secwatch.filing_event.v1"
accession: "0001835830-25-000053"
form_type: "8-K"
ticker: "KVYO"
cik: "0001835830"
company_name: "Klaviyo, Inc."
filed_at: "2025-05-06T23:59:59+00:00"
generated_at: "2026-05-22T13:56:28.717606+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Klaviyo Q1 revenue $279.8M (+33% YoY); raises FY25 revenue guidance to $1.171-1.179B

## Summary
- Revenue $279.8M (+33% YoY); GAAP net loss per share $0.05, non-GAAP EPS $0.14 diluted.
- Customers 169,000 (+16% YoY); 3,030 large customers ($50k+ ARR, +40% YoY).
- FY25 revenue guidance raised to $1.171-1.179B (25-26% growth); Q2 guide $276-280M.
- Non-GAAP operating income $32.4M (12% margin); operating cash flow $14.4M; free cash flow $6.6M.
- Net revenue retention (NRR) of 108% as of March 31, 2025.

## SEC filing metadata
- accession: 0001835830-25-000053
- form_type: 8-K
- ticker: KVYO
- cik: 0001835830
- company_name: Klaviyo, Inc.
- filed_at: 2025-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1835830/000183583025000053/0001835830-25-000053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1835830/000183583025000053/kvyo-20250506.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001835830-25-000053
- JSON: https://secwatch.observer/filing/0001835830-25-000053.json
- Plain text: https://secwatch.observer/filing/0001835830-25-000053.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.