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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
651
$209K
652
$207K
653
$206K
654
$203K
655
$202K
656
$202K
657
$201K
658
$201K
659
$199K
660
$197K
661
$193K
662
$183K
663
$182K
664
$166K
665
$162K
666
$160K
667
$159K
668
$158K
669
$157K
670
$155K
671
$153K
672
$148K
673
$143K
674
$139K
675
$133K