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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.

Holders
857
Holders Change
+12
Holders Change %
+1.42%
% of All Funds
11.5%
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
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 Holding Trade Value Shares
Change 		Shares
Change %
New York State Common Retirement Fund
151
New York State Common Retirement Fund
New York
$17.7M +$233K +2,900 +1%
NP
152
NS Partners
United Kingdom
$17.2M -$403K -5,018 -2%
NC
153
Nicholas Company
Wisconsin
$17.2M -$10.5K -130 -0.1%
EAM
154
Erste Asset Management
Austria
$17M +$885K +11,000 +6%
FVWA
155
Foster Victor Wealth Advisors
South Carolina
$17M +$365K +4,325 +2%
Ohio Public Employees Retirement System (OPERS)
156
Ohio Public Employees Retirement System (OPERS)
Ohio
$16.5M +$6.1M +75,900 +59%
Rafferty Asset Management
157
Rafferty Asset Management
New York
$16.2M -$519K -6,450 -3%
TCG
158
Tremblant Capital Group
Florida
$16.1M +$8.3M +103,252 +107%
TRSOTSOK
159
Teachers Retirement System of the State of Kentucky
Kentucky
$15.8M +$2.51M +31,187 +19%
CWM
160
CIBC World Markets
New York
$15.7M +$2.16M +26,889 +16%
Treasurer of the State of North Carolina
161
Treasurer of the State of North Carolina
North Carolina
$15.7M +$405K +5,034 +3%
Toronto Dominion Bank
162
Toronto Dominion Bank
Ontario, Canada
$15.7M +$2.58M +32,119 +20%
APG Asset Management
163
APG Asset Management
Netherlands
$15.7M +$521K +7,600 +3%
CA
164
Cortland Associates
Missouri
$15.4M +$35.4K +440 +0.2%
CA
165
Clearstead Advisors
Ohio
$15.1M +$324K +4,030 +2%
DekaBank Deutsche Girozentrale
166
DekaBank Deutsche Girozentrale
Germany
$14.8M +$6.99M +86,875 +90%
Korea Investment Corp
167
Korea Investment Corp
South Korea
$14.7M -$5.81M -72,269 -28%
FGP
168
Freestone Grove Partners
California
$14.6M -$10M -124,744 -41%
TIG
169
Tribune Investment Group
New York
$14.5M +$14.5M +180,000 New
Fidelity International
170
Fidelity International
Bermuda
$14.4M -$3.2M -39,753 -18%
Asset Management One
171
Asset Management One
Japan
$14.4M -$9.75M -121,290 -40%
BPWM
172
Badgley Phelps Wealth Managers
Washington
$14.2M -$213K -2,650 -1%
LGF
173
LGT Group Foundation
Liechtenstein
$14.2M +$303K +3,764 +2%
Thrivent Financial for Lutherans
174
Thrivent Financial for Lutherans
Minnesota
$14M -$2.41M -29,951 -15%
Zurich Cantonal Bank
175
Zurich Cantonal Bank
Switzerland
$13.3M +$36.3K +451 +0.3%
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