CSGP icon

CoStar Group

785 hedge funds and large institutions have $16.4B invested in CoStar Group in 2026 Q1 according to their latest regulatory filings, with 126 funds opening new positions, 305 increasing their positions, 272 reducing their positions, and 166 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

24% less first-time investments, than exits

New positions opened: 126 | Existing positions closed: 166

41% less capital invested

Capital invested by funds: $27.8B → $16.4B (-$11.3B)

59% less funds holding in top 10

Funds holding in top 10: 177 (-10)

Holders
785
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$142M
Puts
$39.3M
Net Calls
Net Calls Change

Top Sellers

1 -$302M
2 -$233M
3 -$216M
4
TP
Third Point
New York
-$213M
5
BAMCO Inc
BAMCO Inc
New York
-$166M
Name Holding Trade Value Shares
Change
Change in
Stake
NAM
201
Nissay Asset Management
Japan
$4.76M
SOMRS
202
State of Michigan Retirement System
Michigan
$4.7M
CNB
203
Czech National Bank
Czech Republic
$4.66M
ASRS
204
Arizona State Retirement System
Arizona
$4.65M
State of Tennessee, Department of Treasury
205
State of Tennessee, Department of Treasury
Tennessee
$4.61M
Mariner
206
Mariner
Kansas
$4.42M
NOCM
207
Night Owl Capital Management
Connecticut
$4.41M
Connor, Clark & Lunn Investment Management (CC&L)
208
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$4.34M
AAIS
209
ABN AMRO Investment Solutions
$4.19M
DA
210
Dash Acquisitions
California
$4.18M
ACM
211
Ashford Capital Management
Delaware
$4.13M
WG
212
Winton Group
United Kingdom
$4.09M
MIM
213
MetLife Investment Management
New Jersey
$4.08M
IC
214
IEQ Capital
California
$4M
Swedbank
215
Swedbank
Sweden
$3.99M
Creative Planning
216
Creative Planning
Kansas
$3.92M
SW
217
SVB Wealth
Massachusetts
$3.88M
Bank of Nova Scotia
218
Bank of Nova Scotia
Ontario, Canada
$3.81M
Holocene Advisors
219
Holocene Advisors
New York
$3.75M
KBC Group
220
KBC Group
Belgium
$3.7M
GGHC
221
Gilder Gagnon Howe & Co
New York
$3.67M
Retirement Systems of Alabama
222
Retirement Systems of Alabama
Alabama
$3.63M
RIM
223
Rakuten Investment Management
Japan
$3.61M
GC
224
Guggenheim Capital
Illinois
$3.57M
DnB Asset Management
225
DnB Asset Management
Norway
$3.56M