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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
626
$257K
627
$256K
628
$255K
629
$255K
630
$255K
631
$249K
632
$249K
633
$248K
634
$248K
635
$239K
636
$238K
637
$234K
638
$233K
639
$230K
640
$229K
641
$227K
642
$227K
643
$225K
644
$218K
645
$216K
646
$216K
647
$216K
648
$212K
649
$211K
650
$209K