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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 141 funds opening new positions, 371 increasing their positions, 258 reducing their positions, and 75 closing their positions.

Holders
845
Holders Change
+53
Holders Change %
+6.69%
% 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
141
Increased
371
Reduced
258
Closed
75
Calls
$337M
Puts
$119M
Net Calls
+$218M
Net Calls Change
+$204M

Top Buyers

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

Top Sellers

1
Macquarie Group
1
Macquarie Group
Australia
$489M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$0
3
Goldman Sachs
3
Goldman Sachs
New York
$214M
4
SCM
4
Spyglass Capital Management
California
$39.3M
5
Canada Pension Plan Investment Board
5
Canada Pension Plan Investment Board
Ontario, Canada
$37M
Name Market Value Shares Shares
Change 		Shares
Change %
ICP
101
Ironvine Capital Partners
Nebraska
$36.3M 457,958 -8,753 -2%
YL
102
YCG LLC
Texas
$35.4M 446,893 -1,638 -0.4%
LPL Financial
103
LPL Financial
California
$35.4M 446,550 +13,781 +3%
Bank of Montreal
104
Bank of Montreal
Ontario, Canada
$35.1M 442,916 -101,468 -19%
FCM
105
Frontier Capital Management
Massachusetts
$34.8M 439,425 +44,809 +11%
CCP
106
Caden Capital Partners
California
$34.6M 437,274 +49,411 +13%
Russell Investments Group
107
Russell Investments Group
United Kingdom
$33.7M 424,796 +112,665 +36%
Royal London Asset Management
108
Royal London Asset Management
United Kingdom
$33M 416,974 +14,688 +4%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$32.4M 408,765 -2,848 -0.7%
VG
110
Visualize Group
New York
$32M 404,091 +183,700 +83%
GCM
111
Geneva Capital Management
Wisconsin
$31.9M 403,205 +12,534 +3%
ClearBridge Investments
112
ClearBridge Investments
New York
$31.5M 398,206 -10,432 -3%
NC
113
NZS Capital
Colorado
$31.4M 396,308 -37,192 -9%
NSGL
114
No Street GP LP
California
$31.3M 395,000 +40,000 +11%
TCP
115
ThornTree Capital Partners
Massachusetts
$31.2M 393,198 -70,152 -15%
Canada Life
116
Canada Life
Manitoba, Canada
$31M 389,913 +1,133 +0.3%
Adage Capital Partners
117
Adage Capital Partners
Massachusetts
$30.5M 384,600 +133,052 +53%
Nomura Holdings
118
Nomura Holdings
Japan
$28.8M 363,097 +290,445 +400%
Ninety One (UK)
119
Ninety One (UK)
United Kingdom
$28.3M 356,947 -35,491 -9%
Mirae Asset Global ETFs Holdings
120
Mirae Asset Global ETFs Holdings
Hong Kong
$28.2M 355,496 +35,621 +11%
GIM
121
Granahan Investment Management
Massachusetts
$27.5M 347,693 -10,513 -3%
National Bank of Canada
122
National Bank of Canada
Quebec, Canada
$27.1M 342,341 +81,760 +31%
Victory Capital Management
123
Victory Capital Management
Texas
$26.7M 337,200 -318,590 -49%
MFWM
124
Motley Fool Wealth Management
Virginia
$26.2M 330,575 -28,864 -8%
Millennium Management
125
Millennium Management
New York
$25.8M 325,428 -109,022 -25%
3 4
5
6 7