MORGAN STANLEY - 31 Dec 2025 SCHEDULE 13G/A Report for Klaviyo, Inc. Series A Common Stock (KVYO)

Filing Manager: MORGAN STANLEY
Reporting Manager: Morgan Stanley
Security: Klaviyo, Inc. Series A Common Stock
Symbol: KVYO
Shares outstanding: 138,457,390 shares
Disclosed Ownership: 14,538,026 shares
Ownership: 10%
Form type: SCHEDULE 13G/A
Filing time: 08 Jan 2026, 16:22:44 UTC
Date of event: 31 Dec 2025
Previous filing: 07 Nov 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Morgan Stanley	10%	14,538,026	0	8,343,244	Christopher O'Hara	Authorized Signatory, Morgan Stanley