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CoStar Group
CSGP

Overview Fund Activity

853 hedge funds and large institutions have $34B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 345 increasing their positions, 311 reducing their positions, and 74 closing their positions.

Holders
853
Holders Change
+8
Holders Change %
+0.95%
% of All Funds
11.46%
Holding in Top 10
26
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+13.04%
% of All Funds
0.35%
New
97
Increased
345
Reduced
311
Closed
74
Calls
$136M
Puts
$68M
Net Calls
+$68.4M
Net Calls Change
-$150M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$427M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$324M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$259M
4
Franklin Resources
4
Franklin Resources
California
$277M
5
TP
5
Third Point
New York
$248M

Top Sellers

1
TCIM
1
TOMS Capital Investment Management
New York
$0
2
BlackRock
2
BlackRock
New York
$2.82B
3
MMA
3
Mizuho Markets Americas
New York
$471M
4
Ameriprise
4
Ameriprise
Minnesota
$86.7M
5
Macquarie Group
5
Macquarie Group
Australia
$389M
Name Market Value Shares Shares
Change 		Shares
Change %
OCBV
101
Ownership Capital B.V.
Netherlands
$38.2M 474,699 -151,089 -24%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
102
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$37.1M 461,925 -693,952 -60%
AllianceBernstein
103
AllianceBernstein
Tennessee
$37M 460,671 -16,835 -4%
LPL Financial
104
LPL Financial
California
$37M 459,963 +13,413 +3%
GCM
105
Geneva Capital Management
Wisconsin
$36M 447,649 +44,444 +11%
Russell Investments Group
106
Russell Investments Group
United Kingdom
$35.9M 446,991 +22,195 +5%
ICP
107
Ironvine Capital Partners
Nebraska
$35.4M 440,414 -17,544 -4%
YL
108
YCG LLC
Texas
$35.3M 438,811 -8,082 -2%
BA
109
Bridgewater Associates
Connecticut
$34.8M 432,708 -553,285 -56%
NSGL
110
No Street GP LP
California
$34.6M 430,000 +35,000 +9%
Bank of Montreal
111
Bank of Montreal
Ontario, Canada
$33.8M 420,126 -22,790 -5%
National Bank of Canada
112
National Bank of Canada
Quebec, Canada
$33.4M 415,626 +73,285 +21%
Canada Life
113
Canada Life
Manitoba, Canada
$33M 409,701 +19,788 +5%
State Board of Administration of Florida Retirement System
114
State Board of Administration of Florida Retirement System
Florida
$32.9M 409,705 +940 +0.2%
Royal London Asset Management
115
Royal London Asset Management
United Kingdom
$32.6M 404,875 -12,099 -3%
QCMNJ
116
Quantum Capital Management (New Jersey)
New Jersey
$32.5M 403,965 -124,241 -24%
ClearBridge Investments
117
ClearBridge Investments
New York
$32M 398,212 +6 +0%
Adage Capital Partners
118
Adage Capital Partners
Massachusetts
$31.1M 386,400 +1,800 +0.5%
CCP
119
Caden Capital Partners
California
$30.5M 379,501 -57,773 -13%
AQR Capital Management
120
AQR Capital Management
Connecticut
$29.3M 364,858 +236,255 +184%
GC
121
Gillson Capital
Illinois
$28.7M 356,922 +87,752 +33%
NC
122
NZS Capital
Colorado
$28.2M 350,527 -45,781 -12%
Mirae Asset Global ETFs Holdings
123
Mirae Asset Global ETFs Holdings
Hong Kong
$27.1M 337,656 -17,840 -5%
Victory Capital Management
124
Victory Capital Management
Texas
$27M 335,852 -1,348 -0.4%
Allspring Global Investments
125
Allspring Global Investments
North Carolina
$26.8M 326,649 -149,596 -31%
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