Costar Group, Inc. · NASDAQ:CSGP

Costar Group, Inc. shareholders

As of Jun 30, 2026, 737 institutions reported holding Costar Group, Inc. Largest: Vanguard, BlackRock and Bamco Inc. New holders, exits, insiders and big stakes, each with its filing.

HolderShares% of Costar Group, Inc.ChangeFiled
Vanguard68.8M−1.13MAug 13, 2026
BlackRock33.8M+5,785Aug 7, 2026
Bamco Inc21.6M+5.31MAug 14, 2026
Capital Group20.8M+949KAug 12, 2026
State Street18.4M−240KAug 7, 2026
Baillie Gifford & Co13.2M−457KAug 6, 2026
Geode Capital12.2M−282KAug 12, 2026
Akre Capital Management LLC11.7M+1.35MAug 14, 2026
Polen Capital Management LLC8.76M−3.81MAug 4, 2026
AQR Capital Management LLC8.45M+7.18MAug 14, 2026

Costar Group, Inc. insider trades