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CoStar Group

871 hedge funds and large institutions have $34.2B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 99 funds opening new positions, 354 increasing their positions, 317 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
871
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$180M
Puts
$97.5M
Net Calls
Net Calls Change

Top Buyers

1 +$310M
2 +$251M
3 +$111M
4
TP
Third Point
New York
+$86.5M
5
IAM
Ion Asset Management
Israel
+$80.2M
Name Holding Trade Value Shares
Change
Change in
Stake
376
$1.92M
377
$1.9M
378
$1.86M
379
$1.86M
380
$1.86M
381
$1.85M
382
$1.82M
383
$1.82M
384
$1.81M
385
$1.81M
386
$1.8M
387
$1.77M
388
$1.77M
389
$1.76M
390
$1.75M
391
$1.72M
392
$1.71M
393
$1.71M
394
$1.7M
395
$1.69M
396
$1.69M
397
$1.68M
398
$1.68M
399
$1.67M
400
$1.66M