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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
476
$798K
477
$796K
478
$789K
479
$784K
480
$771K
481
$766K
482
$764K
483
$759K
484
$755K
485
$740K
486
$736K
487
$731K
488
$726K
489
$720K
490
$713K
491
$698K
492
$696K
493
$692K
494
$691K
495
$684K
496
$678K
497
$673K
498
$655K
499
$653K
500
$652K