Corporate Ownership
Who owns PubMatic?
Based on verified 2026 market intelligence, PubMatic operates as an independent, publicly traded company without a majority parent organization. Significant institutional investors and major shareholders include Graham Holdings Company, Vanguard, Wellington Management.
Institutional Investors & Major Shareholders
Significant asset management firms, investment funds, and equity stakeholders tracked via regulatory filings.
Graham Holdings Company
Major Shareholder
Diversified holding company across education, media, healthcare and commerce.
Vanguard
Major Shareholder
Asset manager offering funds, ETFs, advice and retirement services.
Wellington Management
Institutional Investor
Independent institutional investment manager and advisory firm.
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