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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
351
$2.27M
352
$2.25M
353
$2.22M
354
$2.17M
355
$2.14M
356
$2.08M
357
$2.05M
358
$2.04M
359
$2.02M
360
$2.02M
361
$2M
362
$2M
363
$2M
364
$1.99M
365
$1.98M
366
$1.96M
367
$1.95M
368
$1.94M
369
$1.9M
370
$1.89M
371
$1.89M
372
$1.89M
373
$1.88M
374
$1.84M
375
$1.79M