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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
401
$1.41M
402
$1.4M
403
$1.39M
404
$1.39M
405
$1.39M
406
$1.38M
407
$1.35M
408
$1.33M
409
$1.33M
410
$1.32M
411
$1.3M
412
$1.3M
413
$1.28M
414
$1.27M
415
$1.27M
416
$1.26M
417
$1.26M
418
$1.26M
419
$1.25M
420
$1.25M
421
$1.23M
422
$1.23M
423
$1.23M
424
$1.23M
425
$1.22M