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CoStar Group

855 hedge funds and large institutions have $33.9B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 376 increasing their positions, 263 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
855
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
826
$872
827
$793
828
$793
829
$792
830
$792
831
$792
832
$773
833
$714
834
$710
835
$704
836
$633
837
$555
838
$476
839
$475
840
$475
841
$396
842
$396
843
$396
844
$331
845
$317
846
$317
847
$317
848
$317
849
$317
850
$238