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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
526
$537K
527
$523K
528
$522K
529
$522K
530
$508K
531
$502K
532
$499K
533
$499K
534
$498K
535
$489K
536
$489K
537
$488K
538
$487K
539
$486K
540
$485K
541
$481K
542
$476K
543
$475K
544
$473K
545
$470K
546
$463K
547
$460K
548
$460K
549
$455K
550
$455K