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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
451
$975K
452
$957K
453
$953K
454
$946K
455
$942K
456
$924K
457
$921K
458
$911K
459
$906K
460
$901K
461
$900K
462
$875K
463
$868K
464
$866K
465
$861K
466
$850K
467
$848K
468
$847K
469
$840K
470
$830K
471
$828K
472
$827K
473
$807K
474
$803K
475
$798K