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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
676
$139K
677
$133K
678
$132K
679
$126K
680
$117K
681
$114K
682
$113K
683
$106K
684
$105K
685
$104K
686
$104K
687
$103K
688
$103K
689
$102K
690
$99.3K
691
$95.8K
692
$94.6K
693
$89K
694
$85.3K
695
$79.5K
696
$79.2K
697
$77.8K
698
$77.5K
699
$76.8K
700
$66.8K