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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
326
$2.88M
327
$2.86M
328
$2.85M
329
$2.82M
330
$2.78M
331
$2.7M
332
$2.69M
333
$2.68M
334
$2.67M
335
$2.64M
336
$2.63M
337
$2.62M
338
$2.61M
339
$2.61M
340
$2.61M
341
$2.55M
342
$2.54M
343
$2.54M
344
$2.5M
345
$2.49M
346
$2.48M
347
$2.45M
348
$2.42M
349
$2.4M
350
$2.38M