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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 %
Fiera Capital (Canada)
201
Fiera Capital (Canada)
Quebec, Canada
$9.08M +$1.16M +14,645 +15%
MAM
202
Meeder Asset Management
Ohio
$9.01M +$7.91M +99,858 +721%
Public Sector Pension Investment Board (PSP Investments)
203
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$8.93M -$13.7M -173,030 -61%
JFG
204
Jefferies Financial Group
New York
$8.72M +$946K +11,941 +12%
AAM
205
Azzad Asset Management
Virginia
$8.71M +$255K +3,213 +3%
MIM
206
MetLife Investment Management
New Jersey
$8.66M +$72.3K +913 +0.8%
ACIM
207
Azimuth Capital Investment Management
Michigan
$8.46M +$59.3K +749 +0.7%
NOCM
208
Night Owl Capital Management
Connecticut
$8.23M +$174K +2,192 +2%
PNC Financial Services Group
209
PNC Financial Services Group
Pennsylvania
$8.15M +$903K +11,394 +12%
FCBT
210
First Citizens Bank & Trust
North Carolina
$8.15M +$7.65M +96,557 +1,535%
PEAK6
211
PEAK6
Illinois
$8.05M +$8.05M +101,555 New
NAM
212
Nissay Asset Management
Japan
$8.02M +$724K +9,138 +10%
SMDAM
213
Sumitomo Mitsui DS Asset Management
Japan
$7.96M +$179K +2,263 +2%
Bank Julius Baer & Co
214
Bank Julius Baer & Co
Switzerland
$7.9M -$446K -5,557 -5%
ET
215
Equitable Trust
Tennessee
$7.8M -$287K -3,627 -4%
Twin Tree Management
216
Twin Tree Management
Texas
$7.67M +$7.67M +96,784 New
CNB
217
Czech National Bank
Czech Republic
$7.67M +$626K +7,895 +9%
TCG
218
Tremblant Capital Group
Florida
$7.66M -$6.12M -77,239 -44%
COPPSERS
219
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$7.64M +$729K +9,205 +11%
DekaBank Deutsche Girozentrale
220
DekaBank Deutsche Girozentrale
Germany
$7.56M -$6.79M -86,875 -47%
KBC Group
221
KBC Group
Belgium
$7.52M +$169K +2,133 +2%
TAM
222
Thematics Asset Management
France
$7.45M -$602K -7,597 -7%
Robeco Institutional Asset Management
223
Robeco Institutional Asset Management
Netherlands
$7.44M -$2.02M -25,503 -21%
Wellington Management Group
224
Wellington Management Group
Massachusetts
$7.4M -$2.27M -28,681 -23%
Daiwa Securities Group
225
Daiwa Securities Group
Japan
$7.34M +$600K +7,571 +9%
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