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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
601
$315K
602
$309K
603
$307K
604
$307K
605
$302K
606
$297K
607
$294K
608
$293K
609
$293K
610
$285K
611
$283K
612
$281K
613
$280K
614
$277K
615
$271K
616
$268K
617
$266K
618
$265K
619
$263K
620
$262K
621
$261K
622
$260K
623
$259K
624
$257K
625
$257K