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CoStar Group

852 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 375 increasing their positions, 261 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
852
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
$257K
628
$256K
629
$255K
630
$255K
631
$255K
632
$249K
633
$249K
634
$248K
635
$248K
636
$239K
637
$238K
638
$234K
639
$233K
640
$230K
641
$229K
642
$227K
643
$227K
644
$225K
645
$218K
646
$216K
647
$216K
648
$216K
649
$212K
650
$211K