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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 %
Neuberger Berman Group
251
Neuberger Berman Group
New York
$5.73M -$194K -2,443 -3%
SO
252
STRS Ohio
Ohio
$5.63M -$3.57M -45,000 -39%
TC
253
Tsai Capital
New York
$5.52M +$679K +8,569 +14%
SW
254
Solidarity Wealth
Utah
$5.48M +$2.48M +31,290 +83%
US Bancorp
255
US Bancorp
Minnesota
$5.47M -$50.9K -642 -0.9%
SAM
256
Shell Asset Management
Netherlands
$5.46M -$170K -2,141 -3%
URS
257
Utah Retirement Systems
Utah
$5.44M +$122K +1,538 +2%
American Century Companies
258
American Century Companies
Missouri
$5.41M +$545K +6,873 +11%
VanEck Associates
259
VanEck Associates
New York
$5.4M -$129K -1,630 -2%
TAMH
260
Taikang Asset Management (HK)
Hong Kong
$5.29M – – –
DC
261
Davenport & Co
Virginia
$5.28M -$453K -5,721 -8%
FAF
262
Fjarde Ap-fonden
Sweden
$5.26M -$1.22M -15,400 -19%
BZWA
263
Blue Zone Wealth Advisors
California
$5.26M +$529K +6,683 +11%
PIM
264
Platinum Investment Management
Australia
$5.15M -$396K -5,000 -7%
RFC
265
Regions Financial Corp
Alabama
$5.06M -$287K -3,627 -5%
HCM
266
Hahn Capital Management
California
$5.01M -$467K -5,891 -9%
AAIS
267
ABN AMRO Investment Solutions
$5M +$1.87M +23,589 +60%
BIA
268
Baer Investment Advisory
California
$4.94M +$28.6K +306 +0.6%
MFAM
269
Motley Fool Asset Management
Virginia
$4.91M -$1.68M -21,259 -26%
Teacher Retirement System of Texas
270
Teacher Retirement System of Texas
Texas
$4.88M +$4.58M +57,760 +1,506%
Janney Montgomery Scott
271
Janney Montgomery Scott
Pennsylvania
$4.84M +$4.84M +61,031 New
PFSRSONJ
272
Police & Firemen's Retirement System of New Jersey
New Jersey
$4.79M +$117K +1,480 +3%
Nisa Investment Advisors
273
Nisa Investment Advisors
Missouri
$4.77M +$328K +4,137 +7%
QCM
274
Quantinno Capital Management
New York
$4.71M +$2.88M +36,409 +158%
LC
275
Lakehouse Capital
Australia
$4.63M – – –
9 10
11
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