5%+ stake
5.3%Stake
A Schedule 13G is filed by holders above 5% who say they will not try to influence the company. Index funds and large asset managers file most of them.
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CoStar Group
CSGP · NASDAQ · Real Estate Services
CSGP · NASDAQ · Real Estate Services
A Schedule 13G is filed by holders above 5% who say they will not try to influence the company. Index funds and large asset managers file most of them.
From a 13F filed Aug 14, 2026 covering holdings at Jun 30, 2026 — a quarter-end snapshot, not a live trade.
Institutions reporting a stake, Q2 2026
756
-40 vs Q1 2026
Share of stock reported
102.2%
414M of 405M shares outstanding
Change vs Q1 2026
-8.11M shares
104 new positions, 141 positions closed
Reported in 13F filings, which cover managers over $100M and include double counting. A 13F shows holdings on the last day of the quarter, not when shares were bought or sold. Change counts the 746 managers that reported both quarters.
Source: SEC Form 13F data sets, every filer, common stock only (options and bonds left out); 18 managers also reported puts and 18 managers calls. Amendments are applied; lines whose value was filed in thousands are scaled, and lines whose shares and value disagree are left out.