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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
376
$1.78M
377
$1.77M
378
$1.77M
379
$1.76M
380
$1.76M
381
$1.72M
382
$1.72M
383
$1.72M
384
$1.71M
385
$1.7M
386
$1.66M
387
$1.64M
388
$1.59M
389
$1.59M
390
$1.58M
391
$1.56M
392
$1.56M
393
$1.54M
394
$1.54M
395
$1.53M
396
$1.52M
397
$1.47M
398
$1.46M
399
$1.43M
400
$1.43M