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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
651
$211K
652
$209K
653
$209K
654
$207K
655
$206K
656
$203K
657
$202K
658
$202K
659
$201K
660
$201K
661
$199K
662
$197K
663
$193K
664
$183K
665
$182K
666
$166K
667
$162K
668
$160K
669
$159K
670
$158K
671
$157K
672
$155K
673
$153K
674
$148K
675
$143K