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CoStar Group
CSGP

Overview Fund Activity

857 hedge funds and large institutions have $34.1B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 347 increasing their positions, 313 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
857
Holders Change
+12
Holders Change %
+1.42%
% of All Funds
11.49%
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
347
Reduced
313
Closed
74
Calls
$180M
Puts
$97.5M
Net Calls
+$82.6M
Net Calls Change
-$135M

Top Buyers

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

Top Sellers

1
TCIM
TOMS Capital Investment Management
New York
$0
2
BlackRock
BlackRock
New York
$2.82B
3
MMA
Mizuho Markets Americas
New York
$471M
4
Ameriprise
Ameriprise
Minnesota
$86.7M
5
Macquarie Group
Macquarie Group
Australia
$389M
Name Holding Trade Value Shares
Change 		Shares
Change %
TC
751
Truvestments Capital
Florida
$13.8K – – –
BCM
752
Boreal Capital Management
Florida
$13.7K +$13.7K +170 New
WTA
753
Washington Trust Advisors
Massachusetts
$13.1K – – –
PWAM
754
Private Wealth Asset Management
Iowa
$12.9K -$724 -9 -5%
QWM
755
Quaker Wealth Management
New Jersey
$12.1K +$12.1K +150 New
SS
756
Sunbelt Securities
Texas
$11.3K +$430 +6 +4%
MCM
757
MV Capital Management
Maryland
$10.8K -$1.45K -18 -12%
ADL
758
Asset Dedication LLC
California
$10.5K – – –
RAM
759
Riggs Asset Management
Pennsylvania
$10.3K +$10.3K +128 New
KG
760
Kilter Group
New York
$9.25K +$9.25K +115 New
OP
761
ORG Partners
Indiana
$9.23K +$4.08K +50 +79%
DF
762
Dunhill Financial
United Kingdom
$9.03K -$1.45K -18 -14%
RA
763
Rational Advisors
New York
$8.68K +$8.68K +108 New
JWA
764
JFS Wealth Advisors
Pennsylvania
$8.28K -$965 -12 -10%
EDRH
765
Edmond de Rothschild Holding
Switzerland
$8.2K – – –
CWP
766
Concord Wealth Partners
Virginia
$8.04K – – –
OCM
767
Orion Capital Management
California
$8.04K – – –
FUBT
768
First United Bank & Trust
Maryland
$8.04K – – –
ST
769
Smithfield Trust
Pennsylvania
$8K – – –
WA
770
Whipplewood Advisors
Colorado
$7.96K +$2.09K +26 +36%
CWA
771
Carolina Wealth Advisors
South Carolina
$7.88K – – –
MIM
772
MTM Investment Management
South Carolina
$7.48K +$7.48K +93 New
HHMI
773
Howard Hughes Medical Institute
Maryland
$7.32K +$7.32K +91 New
DWM
774
Dogwood Wealth Management
Kansas
$7.21K +$5.47K +66 +314%
GC
775
Garde Capital
Washington
$7.08K -$8.04K -100 -53%
29 30
31
32 33