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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
601
$317K
602
$316K
603
$315K
604
$309K
605
$307K
606
$307K
607
$302K
608
$297K
609
$294K
610
$293K
611
$293K
612
$285K
613
$283K
614
$281K
615
$280K
616
$277K
617
$271K
618
$268K
619
$266K
620
$265K
621
$263K
622
$262K
623
$261K
624
$260K
625
$259K