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CoStar Group

860 hedge funds and large institutions have $34.1B invested in CoStar Group in 2025 Q2 according to their latest regulatory filings, with 98 funds opening new positions, 347 increasing their positions, 315 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
860
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$180M
Puts
$97.5M
Net Calls
Net Calls Change

Top Buyers

1 +$320M
2 +$259M
3 +$114M
4
TP
Third Point
New York
+$89.2M
5
IAM
Ion Asset Management
Israel
+$82.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Allspring Global Investments
126
Allspring Global Investments
North Carolina
$26.8M
PTC
127
Petrus Trust Company
Texas
$26.3M
New York State Teachers Retirement System (NYSTRS)
128
New York State Teachers Retirement System (NYSTRS)
New York
$25.9M
Ninety One (UK)
129
Ninety One (UK)
United Kingdom
$25.7M
GIM
130
Granahan Investment Management
Massachusetts
$24.2M
Stifel Financial
131
Stifel Financial
Missouri
$23.5M
MFWM
132
Motley Fool Wealth Management
Virginia
$23.4M
ACM
133
Ashford Capital Management
Delaware
$23.4M
OAM
134
Oppenheimer Asset Management
New York
$23M
TCM
135
Tran Capital Management
California
$23M
LIP
136
Landmark Investment Partners
Florida
$22.2M
UM
137
Ulysses Management
New York
$21.7M
KCM
138
Kornitzer Capital Management
Kansas
$21.7M
Neuberger Berman Group
139
Neuberger Berman Group
New York
$21.3M
IECM
140
Intrinsic Edge Capital Management
Illinois
$21.2M
Manulife (Manufacturers Life Insurance)
141
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$21.2M
Aberdeen Group
142
Aberdeen Group
United Kingdom
$20.8M
AAM
143
Aureus Asset Management
Massachusetts
$20.4M
Universal-Beteiligungs- und Servicegesellschaft
144
Universal-Beteiligungs- und Servicegesellschaft
Germany
$20.4M
Aviva
145
Aviva
United Kingdom
$20.3M
Swedbank
146
Swedbank
Sweden
$20.1M
GGHC
147
Gilder Gagnon Howe & Co
New York
$19.7M
Prudential Financial
148
Prudential Financial
New Jersey
$19.7M
State of Wisconsin Investment Board
149
State of Wisconsin Investment Board
Wisconsin
$18M
Chevy Chase Trust
150
Chevy Chase Trust
Maryland
$17.9M