Who Owns MEDIAALPHA INC (MAX)? -- Institutional Holders (2026-06-30)

178 institutions reported holding $618.7M of MEDIAALPHA INC (MAX) in SEC 13F filings for 2026-06-30. Largest institutional holders: WHITE MOUNTAINS INSURANCE GROUP LTD ($224.5M), BlackRock, Inc. ($42.6M), Clearline Capital LP ($34.1M), VANGUARD GROUP INC ($24.8M), JPMORGAN CHASE & CO ($23.3M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1WHITE MOUNTAINS INSURANCE GROUP LTD$224.5M17.9MHold
2BlackRock, Inc.$42.6M3.4MTrimmed
3Clearline Capital LP$34.1M2.7MAdded
4VANGUARD GROUP INC$24.8M2.0MTrimmed
5JPMORGAN CHASE & CO$23.3M1.9MAdded
6GEODE CAPITAL MANAGEMENT, LLC$13.4M1.1MTrimmed
7Divisadero Street Capital Management, LP$12.8M1.0MAdded
8JACOBS LEVY EQUITY MANAGEMENT, INC$12.2M971,232Added
9ACADIAN ASSET MANAGEMENT LLC$12.0M957,095Added
10JACOBS ASSET MANAGEMENT, LLC$11.6M919,761Trimmed
11STATE STREET CORP$10.8M862,235Added
12ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$10.4M829,958Trimmed
13MORGAN STANLEY$10.3M821,170Added
14Nuveen, LLC$9.5M752,447Added
15DIMENSIONAL FUND ADVISORS LP$8.8M701,914Added
16J. Goldman & Co LP$8.6M686,470Trimmed
17CITADEL ADVISORS LLC$8.5M672,996Added
18JANE STREET GROUP, LLC$7.5M596,625Added
19RENAISSANCE TECHNOLOGIES LLC$7.2M574,407Trimmed
20Shay Capital LLC$7.2M570,000Trimmed
21D. E. Shaw & Co., Inc.$6.7M535,926Added
22SPEECE THORSON CAPITAL GROUP INC$6.1M489,098Trimmed
23EVR Research LP$5.5M440,000New
24GOLDMAN SACHS GROUP INC$5.4M428,866Trimmed
25TWO SIGMA INVESTMENTS, LP$5.1M409,480Added

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