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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 %
RhumbLine Advisers
76
RhumbLine Advisers
Massachusetts
$62.9M 782,168 +13,802 +2%
SIMG
77
Stephens Investment Management Group
Texas
$62.2M 773,281 +34,444 +5%
Ensign Peak Advisors
78
Ensign Peak Advisors
Utah
$62M 771,378 -63,831 -8%
WIM
79
Weitz Investment Management
Nebraska
$61.6M 765,600 -146,000 -16%
CI Investments Inc
80
CI Investments Inc
Ontario, Canada
$57M 708,453 -18,664 -3%
HSBC Holdings
81
HSBC Holdings
United Kingdom
$56.9M 708,388 -51,903 -7%
PCM
82
Peregrine Capital Management
Minnesota
$56.3M 700,543 -38,854 -5%
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$56.1M 698,309 +1,860 +0.3%
California Public Employees Retirement System
84
California Public Employees Retirement System
California
$55.2M 686,918 +56,269 +9%
TD Asset Management
85
TD Asset Management
Ontario, Canada
$54.9M 682,217 -32,364 -5%
Raymond James Financial
86
Raymond James Financial
Florida
$53.2M 661,877 -25,034 -4%
ProShare Advisors
87
ProShare Advisors
Maryland
$53.2M 661,433 +43,662 +7%
Parnassus Investments
88
Parnassus Investments
California
$52.7M 655,398 +655,398 New
SEI Investments
89
SEI Investments
Pennsylvania
$52.6M 654,647 -26,238 -4%
First Trust Advisors
90
First Trust Advisors
Illinois
$49.6M 616,538 +339,464 +123%
CCM
91
Candlestick Capital Management
Connecticut
$47.9M 596,098 -582,549 -49%
DLA
92
Douglas Lane & Associates
New York
$47M 584,311 +27,560 +5%
Arrowstreet Capital
93
Arrowstreet Capital
Massachusetts
$44.9M 558,946 +66,667 +14%
TAM
94
Telemark Asset Management
Massachusetts
$44.2M 550,000 +50,000 +10%
National Pension Service
95
National Pension Service
South Korea
$43.5M 541,601 +4,539 +0.8%
Natixis Advisors
96
Natixis Advisors
Massachusetts
$43.2M 537,666 -56,936 -10%
Canada Pension Plan Investment Board
97
Canada Pension Plan Investment Board
Ontario, Canada
$43M 534,498 +67,363 +14%
FCM
98
Frontier Capital Management
Massachusetts
$42.4M 527,478 +88,053 +20%
TCP
99
ThornTree Capital Partners
Massachusetts
$41.2M 512,507 +119,309 +30%
Mitsubishi UFJ Trust & Banking
100
Mitsubishi UFJ Trust & Banking
Japan
$38.3M 476,675 -40,094 -8%
2 3
4
5 6