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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
501
$647K
502
$646K
503
$632K
504
$631K
505
$630K
506
$629K
507
$628K
508
$627K
509
$619K
510
$618K
511
$609K
512
$603K
513
$599K
514
$599K
515
$591K
516
$583K
517
$576K
518
$570K
519
$548K
520
$546K
521
$545K
522
$542K
523
$540K
524
$539K
525
$538K