Who Owns PUBMATIC INC (PUBM)? -- Institutional Holders (2026-06-30)

168 institutions reported holding $432.8M of PUBMATIC INC (PUBM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Graham Holdings Co ($44.6M), BlackRock, Inc. ($43.0M), VANGUARD GROUP INC ($37.5M), ACADIAN ASSET MANAGEMENT LLC ($20.6M), DIMENSIONAL FUND ADVISORS LP ($19.6M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Graham Holdings Co$44.6M3.4MHold
2BlackRock, Inc.$43.0M3.3MAdded
3VANGUARD GROUP INC$37.5M2.9MAdded
4ACADIAN ASSET MANAGEMENT LLC$20.6M1.6MTrimmed
5DIMENSIONAL FUND ADVISORS LP$19.6M1.5MAdded
6RENAISSANCE TECHNOLOGIES LLC$18.6M1.4MTrimmed
7Walleye Trading LLC$16.0M1.2MAdded
8Whitefort Capital Management, LP$14.6M1.1MAdded
9GEODE CAPITAL MANAGEMENT, LLC$13.0M991,800Added
10JACOBS LEVY EQUITY MANAGEMENT, INC$11.3M862,996Trimmed
11STATE STREET CORP$11.2M854,147Added
12S Squared Technology, LLC$9.8M748,099Added
13Simcoe Capital LLC$9.1M693,903Added
14CITADEL ADVISORS LLC$8.5M645,280Added
15HIGHBRIDGE CAPITAL MANAGEMENT LLC$8.4M644,593New
16AMERICAN CENTURY COMPANIES INC$8.4M642,076Added
17TWO SIGMA INVESTMENTS, LP$8.4M638,102Added
18Royal Bank of Canada$8.1M619,290Trimmed
19Nuveen, LLC$6.1M464,187Added
20CenterBook Partners LP$5.4M413,983Trimmed
21SUSQUEHANNA INTERNATIONAL GROUP, LLP$5.3M407,347Trimmed
22Trexquant Investment LP$5.0M382,525Trimmed
23NORTHERN TRUST CORP$4.6M348,134Added
24Sixth Street Partners Management Company, L.P.$4.0M303,624New
25CHARLES SCHWAB INVESTMENT MANAGEMENT INC$4.0M303,624Added

Source: SEC Form 13F filings · as of 2026-06-30