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$CSGP · COSTAR GROUP INC

Commercial real-estate data and marketplaces

3 tracked filer(s) hold this · 1 opened, 1 added, 1 trimmed in 31-MAR-2026

Aggregate 13FScore 40 — mean of 3 scored holder(s) · buyers (new/add) avg 41. Higher = the smart money in this name has the better track record.

Filer	13FScore	This quarter	Shares	Value	% of their book
Keith Meister / Corvex	49	New buy	851,734	$34,358,950	1.4%
Chuck Akre / Akre Capital	33	Added +8%	10,348,273	$417,449,333	6.8%
Ancora	38	Trimmed -42%	244	$9,843	0.0%

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-06-27.