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CoStar Group
CSGP

Overview Fund Activity

853 hedge funds and large institutions have $34B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 345 increasing their positions, 311 reducing their positions, and 74 closing their positions.

Holders
853
Holders Change
+8
Holders Change %
+0.95%
% of All Funds
11.45%
Holding in Top 10
26
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+13.04%
% of All Funds
0.35%
New
97
Increased
345
Reduced
311
Closed
74
Calls
$136M
Puts
$68M
Net Calls
+$68.4M
Net Calls Change
-$150M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$324M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$259M
3
Franklin Resources
3
Franklin Resources
California
$277M
4
TP
4
Third Point
New York
$248M
5
IAM
5
Ion Asset Management
Israel
$94.1M

Top Sellers

1
TCIM
1
TOMS Capital Investment Management
New York
$0
2
BlackRock
2
BlackRock
New York
$2.82B
3
MMA
3
Mizuho Markets Americas
New York
$471M
4
Ameriprise
4
Ameriprise
Minnesota
$86.7M
5
Macquarie Group
5
Macquarie Group
Australia
$389M
Name Market Value Shares Shares
Change 		Shares
Change %
AI
876
ArchPoint Investors
Florida
– – -13,174 Closed
PWAM
877
Papamarkou Wellner Asset Management
New York
– – -13,145 Closed
SSG
878
Summit Securities Group
New York
– – -13,000 Closed
ACM
879
Aster Capital Management
United Arab Emirates
– – -11,807 Closed
AGC
880
Aspen Grove Capital
Colorado
– – -10,078 Closed
USAA
881
United Services Automobile Association
Texas
– – -9,336 Closed
SB
882
SIG Brokerage
New York
– – -8,735 Closed
TFS
883
Thoroughbred Financial Services
Tennessee
– – -6,893 Closed
MYAM
884
Meiji Yasuda Asset Management
Japan
– – -6,409 Closed
APF
885
Alaska Permanent Fund
Alaska
– – -6,408 Closed
QCG
886
Quadrant Capital Group
Ohio
– – -6,136 Closed
SMA
887
Sage Mountain Advisors
Georgia
– – -4,095 Closed
Los Angeles Capital Management
888
Los Angeles Capital Management
California
– – -3,877 Closed
Balyasny Asset Management
889
Balyasny Asset Management
Illinois
– – -3,812 Closed
FT
890
Fiduciary Trust
Massachusetts
– – -3,712 Closed
LCM
891
Landscape Capital Management
New Jersey
– – -3,700 Closed
WMA
892
Wealth Management Associates
New Jersey
– – -3,547 Closed
SC
893
Shay Capital
New York
– – -3,500 Closed
AIP
894
Arrowpoint Investment Partners
Singapore
– – -3,300 Closed
FRA
895
Frank Rimerman Advisors
California
– – -3,277 Closed
Group One Trading
896
Group One Trading
Illinois
– – -3,264 Closed
SAM
897
Strive Asset Management
Ohio
– – -3,244 Closed
C
898
Certuity
Florida
– – -3,228 Closed
PI
899
PFG Investments
New York
– – -2,956 Closed
NWA
900
New World Advisors
Massachusetts
– – -2,907 Closed
34 35
36
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