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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
576
$352K
577
$352K
578
$348K
579
$348K
580
$347K
581
$339K
582
$338K
583
$337K
584
$336K
585
$335K
586
$335K
587
$335K
588
$333K
589
$333K
590
$332K
591
$329K
592
$327K
593
$325K
594
$324K
595
$324K
596
$323K
597
$322K
598
$318K
599
$317K
600
$316K