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CoStar Group

833 hedge funds and large institutions have $27.8B invested in CoStar Group in 2025 Q4 according to their latest regulatory filings, with 96 funds opening new positions, 272 increasing their positions, 382 reducing their positions, and 141 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

29% less repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 382

32% less first-time investments, than exits

New positions opened: 96 | Existing positions closed: 141

32% less funds holding in top 10

Funds holding in top 10: 2517 (-8)

Holders
833
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$205M
Puts
$111M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
151
State of Wisconsin Investment Board
Wisconsin
$15.4M
New York State Common Retirement Fund
152
New York State Common Retirement Fund
New York
$15.3M
Man Group
153
Man Group
United Kingdom
$15.1M
UB
154
UMB Bank
Missouri
$15.1M
KCM
155
Kornitzer Capital Management
Kansas
$15.1M
QCMNJ
156
Quantum Capital Management (New Jersey)
New Jersey
$14.7M
DB
157
Danske Bank
Denmark
$14.7M
Public Employees Retirement Association of Colorado
158
Public Employees Retirement Association of Colorado
Colorado
$14.5M
Chevy Chase Trust
159
Chevy Chase Trust
Maryland
$14.5M
NP
160
NS Partners
United Kingdom
$14.5M
VG
161
Visualize Group
New York
$14.4M
NC
162
Nicholas Company
Wisconsin
$14.4M
Prudential Financial
163
Prudential Financial
New Jersey
$14.3M
Mirae Asset Global Investments
164
Mirae Asset Global Investments
South Korea
$14.1M
Korea Investment Corp
165
Korea Investment Corp
South Korea
$13.8M
Tudor Investment Corp
166
Tudor Investment Corp
Connecticut
$13.8M
MFWM
167
Motley Fool Wealth Management
Virginia
$13.7M
QCM
168
Quantinno Capital Management
New York
$13.6M
FGP
169
Freestone Grove Partners
California
$13.5M
CIBC Asset Management
170
CIBC Asset Management
Ontario, Canada
$13.4M
Susquehanna International Group
171
Susquehanna International Group
Pennsylvania
$13.1M
FVWA
172
Foster Victor Wealth Advisors
South Carolina
$12.9M
CWM
173
CIBC World Markets
New York
$12.5M
APG Asset Management
174
APG Asset Management
Netherlands
$12.5M
Asset Management One
175
Asset Management One
Japan
$12.4M