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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
351
$2.35M
352
$2.3M
353
$2.27M
354
$2.25M
355
$2.22M
356
$2.17M
357
$2.14M
358
$2.08M
359
$2.05M
360
$2.04M
361
$2.02M
362
$2.02M
363
$2M
364
$2M
365
$2M
366
$1.99M
367
$1.98M
368
$1.96M
369
$1.95M
370
$1.94M
371
$1.9M
372
$1.89M
373
$1.89M
374
$1.89M
375
$1.88M