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CoStar Group

853 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 376 increasing their positions, 261 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
853
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$337M
Puts
$119M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
801
$2.46K
802
$2.46K
803
$2.38K
804
$2.38K
805
$2.3K
806
$2.06K
807
$2K
808
$1.98K
809
$1.98K
810
$1.9K
811
$1.9K
812
$1.66K
813
$1.66K
814
$1.66K
815
$1.66K
816
$1.58K
817
$1.42K
818
$1.35K
819
$1.27K
820
$1K
821
$1K
822
$938
823
$872
824
$872
825
$793