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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 %
Handelsbanken Fonder
226
Handelsbanken Fonder
Sweden
$7.28M -$328K -4,136 -4%
EP
227
Edgestream Partners
New Jersey
$7.21M +$6.71M +84,725 +1,353%
Retirement Systems of Alabama
228
Retirement Systems of Alabama
Alabama
$7.18M +$143K +1,801 +2%
Northwestern Mutual Wealth Management
229
Northwestern Mutual Wealth Management
Wisconsin
$7.1M -$9.47M -119,505 -57%
VU
230
Vanderbilt University
Tennessee
$6.99M +$4M +50,424 +134%
NCM
231
Narwhal Capital Management
Georgia
$6.86M +$2.76M +34,827 +67%
HFS
232
Hantz Financial Services
Michigan
$6.73M +$47.7K +602 +0.7%
MML Investors Services
233
MML Investors Services
Massachusetts
$6.72M +$650K +8,204 +11%
Skandinaviska Enskilda Banken (SEB)
234
Skandinaviska Enskilda Banken (SEB)
Sweden
$6.69M -$20.6K -260 -0.3%
UB
235
UMB Bank
Missouri
$6.66M +$115K +1,455 +2%
GT
236
Glenmede Trust
Pennsylvania
$6.58M -$312K -3,932 -5%
GC
237
Guggenheim Capital
Illinois
$6.56M -$2.05M -25,900 -24%
Comerica Bank
238
Comerica Bank
Texas
$6.56M +$182K +2,298 +3%
AB
239
Amalgamated Bank
New York
$6.45M +$239K +3,014 +4%
BCIM
240
British Columbia Investment Management
British Columbia, Canada
$6.39M +$168K +2,121 +3%
GFM
241
GF Fund Management
China
$6.26M +$103K +1,305 +2%
FRAF
242
Första AP-fonden
Sweden
$6.2M -$404K -5,100 -6%
HWM
243
HB Wealth Management
Georgia
$6.08M +$5.71M +72,095 +1,570%
DA
244
Dash Acquisitions
California
$6.07M +$170K +2,255 +3%
NIM
245
NEOS Investment Management
Connecticut
$6.01M +$2.1M +26,510 +54%
SCM
246
Sterling Capital Management
North Carolina
$6.01M -$303K -3,822 -5%
II
247
IFM Investors
Australia
$6M – – –
State of Tennessee, Department of Treasury
248
State of Tennessee, Department of Treasury
Tennessee
$5.97M -$225K -2,843 -4%
Westfield Capital Management
249
Westfield Capital Management
Massachusetts
$5.95M – – –
UIM
250
USS Investment Management
United Kingdom
$5.84M -$9.35K -118 -0.2%
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