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CoStar Group

853 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 139 funds opening new positions, 376 increasing their positions, 261 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
853
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
426
$1.2M
427
$1.19M
428
$1.18M
429
$1.14M
430
$1.14M
431
$1.12M
432
$1.12M
433
$1.11M
434
$1.1M
435
$1.09M
436
$1.09M
437
$1.07M
438
$1.07M
439
$1.06M
440
$1.06M
441
$1.06M
442
$1.04M
443
$1.04M
444
$1.04M
445
$1.03M
446
$1.01M
447
$1,000K
448
$982K
449
$975K
450
$957K