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