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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
776
$8.04K
777
$8.04K
778
$8.04K
779
$8K
780
$7.96K
781
$7.88K
782
$7.48K
783
$7.32K
784
$7.21K
785
$7.08K
786
$7.08K
787
$6.59K
788
$6.59K
789
$6.43K
790
$6.43K
791
$6.43K
792
$6.11K
793
$6.03K
794
$5.51K
795
$5K
796
$5K
797
$4.99K
798
$4.9K
799
$4.82K
800
$4.42K