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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
426
$1.23M
427
$1.22M
428
$1.2M
429
$1.19M
430
$1.18M
431
$1.14M
432
$1.14M
433
$1.12M
434
$1.12M
435
$1.11M
436
$1.1M
437
$1.09M
438
$1.09M
439
$1.07M
440
$1.07M
441
$1.06M
442
$1.06M
443
$1.06M
444
$1.04M
445
$1.04M
446
$1.04M
447
$1.03M
448
$1.01M
449
$1,000K
450
$982K