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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
276
$4.77M
277
$4.71M
278
$4.63M
279
$4.61M
280
$4.54M
281
$4.48M
282
$4.45M
283
$4.32M
284
$4.31M
285
$4.29M
286
$4.26M
287
$4.24M
288
$4.22M
289
$4.2M
290
$4.18M
291
$4.16M
292
$4.03M
293
$3.95M
294
$3.94M
295
$3.93M
296
$3.91M
297
$3.91M
298
$3.86M
299
$3.78M
300
$3.67M