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