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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
401
$1.43M
402
$1.43M
403
$1.41M
404
$1.4M
405
$1.39M
406
$1.39M
407
$1.39M
408
$1.38M
409
$1.35M
410
$1.33M
411
$1.33M
412
$1.32M
413
$1.3M
414
$1.3M
415
$1.28M
416
$1.27M
417
$1.27M
418
$1.26M
419
$1.26M
420
$1.26M
421
$1.25M
422
$1.25M
423
$1.23M
424
$1.23M
425
$1.23M