Schedule 13G ownership disclosure

Klaviyo Inc

Series A Common Stock · CUSIP: 49845K101

Event date: 2025-12-31

Filing-level shares
14,538,026
Percent of class
10.5%
  • Morgan Stanley

    Shares: 14,538,026 · Class: 10.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000895421-26-000003
Form type
SCHEDULE 13G/A
Filer
Klaviyo, Inc.
CIK
CIK 1835830
Filed
Jan 08, 2026
Reporting period
Dec 31, 2025
Description
Schedule 13G beneficial ownership

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