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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 %
MSWA
726
Marshall & Sterling Wealth Advisors
New York
$29.1K – – –
CFB
727
Cullen/Frost Bankers
Texas
$28.5K -$4.1K -51 -13%
HFS
728
Hopwood Financial Services
Virginia
$28.1K – – –
WCM
729
Winthrop Capital Management
Indiana
$28K – – –
RF
730
Rossby Financial
Florida
$27.4K +$20.8K +259 +316%
ME
731
McIlrath & Eck
Washington
$27.2K – – –
OWA
732
Opal Wealth Advisors
New York
$26.3K +$2.09K +26 +9%
CPG
733
Cornerstone Planning Group
New Jersey
$25.6K -$4.35K -45 -15%
BCM
734
Berbice Capital Management
New York
$24.1K +$16.1K +200 +200%
SC
735
SouthState Corp
Florida
$23.6K +$11.7K +145 +97%
FMII
736
Farmers & Merchants Investments Inc
Nebraska
$21.7K – – –
HWM
737
Hemington Wealth Management
Virginia
$21K -$692 -9 -3%
C
738
Covestor
United Kingdom
$21K -$711 -9 -3%
CCA
739
Catalyst Capital Advisors
New York
$20.4K -$5.15K -64 -20%
CT
740
Clearstead Trust
Maine
$19.4K +$19.4K +241 New
AUB
741
Atlantic Union Bankshares
Virginia
$18.7K +$18.7K +232 New
BIA
742
Bell Investment Advisors
California
$16.6K – – –
HI
743
Harbour Investments
Wisconsin
$16.5K -$5.07K -63 -24%
DWS
744
Dynamic Wealth Strategies
California
$16.1K -$14.9K -185 -48%
EFMH
745
E Fund Management (HK)
Hong Kong
$15.8K +$10.2K +127 +184%
AAS
746
Ameritas Advisory Services
Nebraska
$15.6K +$15.6K +194 New
PWMG
747
Private Wealth Management Group
New Jersey
$15.4K +$482 +6 +3%
BWL
748
Bogart Wealth LLC
Virginia
$15K +$563 +7 +4%
WIM
749
Westside Investment Management
California
$14.7K +$14.7K +180 New
BTI
750
Blue Trust Inc
Georgia
$14.6K +$1.37K +17 +10%
28 29
30
31 32