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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
301
$3.61M
302
$3.58M
303
$3.58M
304
$3.48M
305
$3.48M
306
$3.45M
307
$3.38M
308
$3.36M
309
$3.32M
310
$3.32M
311
$3.28M
312
$3.27M
313
$3.24M
314
$3.18M
315
$3.17M
316
$3.17M
317
$3.14M
318
$3.13M
319
$3.02M
320
$3.01M
321
$3M
322
$2.98M
323
$2.93M
324
$2.88M
325
$2.86M