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CoStar Group
CSGP

Overview Fund Activity

845 hedge funds and large institutions have $33.5B invested in CoStar Group in 2025 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 372 increasing their positions, 258 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
845
Holders Change
+52
Holders Change %
+6.56%
% of All Funds
11.48%
Holding in Top 10
23
Holding in Top 10 Change
+7
Holding in Top 10 Change %
+43.75%
% of All Funds
0.31%
New
140
Increased
372
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

1
MMA
Mizuho Markets Americas
New York
$586M
2
Morgan Stanley
Morgan Stanley
New York
$627M
3
TCIM
TOMS Capital Investment Management
New York
$278M
4
UBS Group
UBS Group
Switzerland
$376M
5
Vanguard Group
Vanguard Group
Pennsylvania
$5.42B

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
$489M
2
Viking Global Investors
Viking Global Investors
Connecticut
$0
3
Goldman Sachs
Goldman Sachs
New York
$214M
4
SCM
Spyglass Capital Management
California
$39.3M
5
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board
Ontario, Canada
$37M
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity International
151
Fidelity International
Bermuda
$17.4M +$1.74M +21,950 +11%
New York State Common Retirement Fund
152
New York State Common Retirement Fund
New York
$17.2M -$3.27M -41,255 -16%
NC
153
Nicholas Company
Wisconsin
$17M -$1.19K -15 -0%
Susquehanna International Group
154
Susquehanna International Group
Pennsylvania
$16.6M +$2.5M +31,613 +18%
Rafferty Asset Management
155
Rafferty Asset Management
New York
$16.5M -$2.06M -26,050 -11%
APG Asset Management
156
APG Asset Management
Netherlands
$16.2M +$249K +3,400 +2%
Thrivent Financial for Lutherans
157
Thrivent Financial for Lutherans
Minnesota
$16.1M +$35.3K +446 +0.2%
EAM
158
Erste Asset Management
Austria
$15.8M +$3.17M +40,000 +25%
FVWA
159
Foster Victor Wealth Advisors
South Carolina
$15.2M +$659K +8,519 +5%
CA
160
Cortland Associates
Missouri
$15.1M +$62.6K +790 +0.4%
Treasurer of the State of North Carolina
161
Treasurer of the State of North Carolina
North Carolina
$15.1M +$914K +11,530 +6%
CA
162
Clearstead Advisors
Ohio
$14.6M +$535K +6,757 +4%
IG
163
ING Group
Netherlands
$14.5M +$9.54M +120,376 +193%
BPWM
164
Badgley Phelps Wealth Managers
Washington
$14.2M +$114K +1,444 +0.8%
2
165
2Xideas
Switzerland
$13.9M -$5.62M -70,941 -29%
LGF
166
LGT Group Foundation
Liechtenstein
$13.7M +$1.6M +20,184 +13%
DnB Asset Management
167
DnB Asset Management
Norway
$13.6M +$425K +5,359 +3%
PTC
168
Petrus Trust Company
Texas
$13.5M +$13.5M +170,000 New
CWM
169
CIBC World Markets
New York
$13.4M -$1.94M -24,449 -13%
Verition Fund Management
170
Verition Fund Management
Connecticut
$13.3M +$8.99M +113,457 +207%
Zurich Cantonal Bank
171
Zurich Cantonal Bank
Switzerland
$13.1M -$1.17M -14,767 -8%
TRSOTSOK
172
Teachers Retirement System of the State of Kentucky
Kentucky
$13.1M +$548K +6,923 +4%
Toronto Dominion Bank
173
Toronto Dominion Bank
Ontario, Canada
$12.9M -$5.74M -72,504 -31%
CIBC Asset Management
174
CIBC Asset Management
Ontario, Canada
$12.5M +$2.02M +25,482 +19%
UM
175
Ulysses Management
New York
$12.4M +$12.4M +156,905 New
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