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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
551
$454K
552
$450K
553
$448K
554
$435K
555
$432K
556
$431K
557
$421K
558
$421K
559
$420K
560
$417K
561
$417K
562
$415K
563
$413K
564
$411K
565
$411K
566
$406K
567
$398K
568
$391K
569
$379K
570
$379K
571
$376K
572
$368K
573
$365K
574
$363K
575
$360K