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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
476
$796K
477
$789K
478
$784K
479
$771K
480
$766K
481
$764K
482
$759K
483
$755K
484
$740K
485
$736K
486
$731K
487
$726K
488
$720K
489
$713K
490
$698K
491
$696K
492
$692K
493
$691K
494
$684K
495
$678K
496
$673K
497
$655K
498
$653K
499
$652K
500
$647K