System1, Inc. · NYSE:SST

System1, Inc. shareholders

As of Jun 30, 2026, 20 institutions reported holding System1, Inc. Largest: Bank of America, Vanguard and Cerity Partners LLC. New holders, exits, insiders and big stakes, each with its filing.

HolderShares% of System1, Inc.ChangeFiled
Bank of America162K−6Aug 14, 2026
Vanguard137K+90,444Aug 13, 2026
Cerity Partners LLC117Kno changeAug 14, 2026
Crescent Grove Advisors, LLC75,545newAug 10, 2026
BlackRock43,353+19,106Aug 7, 2026
Morgan Stanley13,134newAug 13, 2026
Geode Capital12,519−11,320Aug 12, 2026
Leonteq Securities AG12,500newJul 27, 2026
T. Rowe Price11,731newAug 14, 2026
State Street11,502no changeAug 7, 2026

System1, Inc. insider trades