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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
601
$316K
602
$315K
603
$309K
604
$307K
605
$307K
606
$302K
607
$297K
608
$294K
609
$293K
610
$293K
611
$285K
612
$283K
613
$281K
614
$280K
615
$277K
616
$271K
617
$268K
618
$266K
619
$265K
620
$263K
621
$262K
622
$261K
623
$260K
624
$259K
625
$257K