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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 %
Fidelity Investments
51
Fidelity Investments
Massachusetts
$104M 1,295,877 -342,770 -21%
KCM
52
Kensico Capital Management
Connecticut
$103M 1,282,400 -48,900 -4%
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$103M 1,279,270 -381,613 -23%
Swiss National Bank
54
Swiss National Bank
Switzerland
$103M 1,276,765 +88,600 +7%
Royal Bank of Canada
55
Royal Bank of Canada
Ontario, Canada
$102M 1,274,804 -108,379 -8%
VOYA Investment Management
56
VOYA Investment Management
Georgia
$99M 1,231,771 +13,217 +1%
BCM
57
Bares Capital Management
Texas
$97.7M 1,214,652 +81,650 +7%
T. Rowe Price Associates
58
T. Rowe Price Associates
Maryland
$96.1M 1,195,332 +152,502 +15%
Barclays
59
Barclays
United Kingdom
$94.2M 1,171,306 +127,638 +12%
IAM
60
Ion Asset Management
Israel
$94.1M 1,169,833 +1,028,933 +730%
NL
61
Nuveen LLC
North Carolina
$87M 1,081,903 +37,397 +4%
Ameriprise
62
Ameriprise
Minnesota
$86.7M 1,077,745 -1,445,936 -57%
Sumitomo Mitsui Trust Group
63
Sumitomo Mitsui Trust Group
Japan
$82.1M 1,021,300 +24,290 +2%
Focus Partners Wealth
64
Focus Partners Wealth
Massachusetts
$79.6M 990,537 +6,744 +0.7%
CC
65
Chicago Capital
Illinois
$77.5M 964,290 +20,335 +2%
SCM
66
SG Capital Management
Illinois
$75.6M 940,155 +940,155 New
Mitsubishi UFJ Asset Management
67
Mitsubishi UFJ Asset Management
Japan
$74.5M 926,020 +58,463 +7%
Baird Financial Group
68
Baird Financial Group
Wisconsin
$74M 920,768 -41,500 -4%
D.E. Shaw & Co
69
D.E. Shaw & Co
New York
$73.7M 916,388 -304 -0%
Pictet Asset Management
70
Pictet Asset Management
Switzerland
$73.6M 915,075 -14,030 -2%
Citigroup
71
Citigroup
New York
$66.9M 832,687 +133,262 +19%
TCM
72
TimesSquare Capital Management
New York
$65.1M 810,196 +57,309 +8%
SCM
73
Spyglass Capital Management
California
$64.6M 803,282 +307,424 +62%
ACM
74
American Capital Management
New York
$64M 795,961 -142,181 -15%
Kayne Anderson Rudnick Investment Management
75
Kayne Anderson Rudnick Investment Management
California
$62.9M 782,686 -49,853 -6%
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