SCHEDULE: Vanguard Reports 5% Stake in Klaviyo Inc.

Vanguard Capital Management has disclosed a beneficial ownership of 5% of Klaviyo Inc.'s common stock as of June 30, 2026.

Summary

• Vanguard Capital Management, along with its affiliates, now beneficially owns 7,051,508 shares of Klaviyo Inc. common stock.
• This holding represents 5% of the total class of securities.
• Vanguard has sole voting power over 1,060,848 shares and sole dispositive power over 7,051,508 shares.
• The filing reflects securities held by Vanguard funds and clients managed by Vanguard Capital Management LLC and its affiliates.
• The reporting is in accordance with SEC Release No. 34-39538.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a neutral to slightly positive development, indicating significant institutional interest without providing specific performance metrics.

Positives

• Vanguard's significant stake indicates confidence in Klaviyo's business prospects.
• The substantial number of shares held suggests a long-term investment perspective.

Future Outlook

This filing does not contain forward-looking statements or guidance.

Industry Context

StockSavvy.ai notes that significant institutional ownership, as reported in Schedule 13G filings, often signals a company's maturity and attractiveness to large asset managers. Vanguard's investment in Klaviyo, a marketing automation platform, aligns with the growing trend of businesses seeking sophisticated customer engagement tools.

Stakeholder Impact

• Shareholders may view Vanguard's increased stake as a positive signal of institutional confidence in Klaviyo's long-term value.

Key Dates

Keywords

Klaviyo Inc, Vanguard Capital Management, Schedule 13G, Beneficial Ownership, Common Stock, Investment Management, Securities Holding