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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
551
$455K
552
$454K
553
$450K
554
$448K
555
$435K
556
$432K
557
$431K
558
$421K
559
$421K
560
$421K
561
$420K
562
$417K
563
$417K
564
$415K
565
$413K
566
$411K
567
$406K
568
$398K
569
$391K
570
$379K
571
$379K
572
$376K
573
$368K
574
$365K
575
$363K