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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
576
$360K
577
$352K
578
$352K
579
$352K
580
$348K
581
$348K
582
$347K
583
$339K
584
$338K
585
$337K
586
$336K
587
$335K
588
$335K
589
$335K
590
$333K
591
$333K
592
$332K
593
$329K
594
$327K
595
$325K
596
$324K
597
$324K
598
$323K
599
$322K
600
$318K