CSGP icon

CoStar Group
CSGP

Overview Fund Activity

857 hedge funds and large institutions have $34.1B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 97 funds opening new positions, 347 increasing their positions, 313 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
857
Holders Change
+12
Holders Change %
+1.42%
% of All Funds
11.49%
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
347
Reduced
313
Closed
74
Calls
$180M
Puts
$97.5M
Net Calls
+$82.6M
Net Calls Change
-$135M

Top Buyers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$324M
2
Viking Global Investors
Viking Global Investors
Connecticut
$259M
3
Franklin Resources
Franklin Resources
California
$277M
4
TP
Third Point
New York
$248M
5
IAM
Ion Asset Management
Israel
$94.1M

Top Sellers

1
TCIM
TOMS Capital Investment Management
New York
$0
2
BlackRock
BlackRock
New York
$2.82B
3
MMA
Mizuho Markets Americas
New York
$471M
4
Ameriprise
Ameriprise
Minnesota
$86.7M
5
Macquarie Group
Macquarie Group
Australia
$389M
Name Holding Trade Value Shares
Change 		Shares
Change %
Kayne Anderson Rudnick Investment Management
76
Kayne Anderson Rudnick Investment Management
California
$62.9M -$4.01M -49,853 -6%
RhumbLine Advisers
77
RhumbLine Advisers
Massachusetts
$62.9M +$1.11M +13,802 +2%
SIMG
78
Stephens Investment Management Group
Texas
$62.2M +$2.77M +34,444 +5%
Ensign Peak Advisors
79
Ensign Peak Advisors
Utah
$62M -$5.13M -63,831 -8%
WIM
80
Weitz Investment Management
Nebraska
$61.6M -$11.7M -146,000 -16%
CI Investments Inc
81
CI Investments Inc
Ontario, Canada
$57M -$1.5M -18,664 -3%
HSBC Holdings
82
HSBC Holdings
United Kingdom
$56.9M -$4.17M -51,903 -7%
PCM
83
Peregrine Capital Management
Minnesota
$56.3M -$3.12M -38,854 -5%
California State Teachers Retirement System (CalSTRS)
84
California State Teachers Retirement System (CalSTRS)
California
$56.1M +$150K +1,860 +0.3%
California Public Employees Retirement System
85
California Public Employees Retirement System
California
$55.2M +$4.52M +56,269 +9%
TD Asset Management
86
TD Asset Management
Ontario, Canada
$54.9M -$2.6M -32,364 -5%
Raymond James Financial
87
Raymond James Financial
Florida
$53.2M -$2.01M -25,034 -4%
ProShare Advisors
88
ProShare Advisors
Maryland
$53.2M +$3.51M +43,662 +7%
Parnassus Investments
89
Parnassus Investments
California
$52.7M +$52.7M +655,398 New
SEI Investments
90
SEI Investments
Pennsylvania
$52.6M -$2.11M -26,238 -4%
First Trust Advisors
91
First Trust Advisors
Illinois
$49.6M +$27.3M +339,464 +123%
CCM
92
Candlestick Capital Management
Connecticut
$47.9M -$46.8M -582,549 -49%
DLA
93
Douglas Lane & Associates
New York
$47M +$2.22M +27,560 +5%
Arrowstreet Capital
94
Arrowstreet Capital
Massachusetts
$44.9M +$5.36M +66,667 +14%
TAM
95
Telemark Asset Management
Massachusetts
$44.2M +$4.02M +50,000 +10%
National Pension Service
96
National Pension Service
South Korea
$43.5M +$365K +4,539 +0.8%
Natixis Advisors
97
Natixis Advisors
Massachusetts
$43.2M -$4.58M -56,936 -10%
Canada Pension Plan Investment Board
98
Canada Pension Plan Investment Board
Ontario, Canada
$43M +$5.42M +67,363 +14%
FCM
99
Frontier Capital Management
Massachusetts
$42.4M +$7.08M +88,053 +20%
TCP
100
ThornTree Capital Partners
Massachusetts
$41.2M +$9.59M +119,309 +30%
2 3
4
5 6