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CoStar Group

834 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, 383 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: 383

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
834
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
LWMI
826
Legacy Wealth Management (Idaho)
Idaho
$202
OC
827
Optima Capital
Oregon
$202
KFG
828
Kingdom Financial Group
Arizona
$202
Parallax Volatility Advisers
829
Parallax Volatility Advisers
California
$134
WW
830
Winnow Wealth
Texas
$68
AG
831
AmeriFlex Group
Nevada
$67
EB
832
Eastern Bank
Massachusetts
$67
HCM
833
Hollencrest Capital Management
California
$67
SA
834
Scarborough Advisors
Maryland
$67
TAM
835
Telemark Asset Management
Massachusetts
FCM
836
Frontier Capital Management
Massachusetts
Arrowstreet Capital
837
Arrowstreet Capital
Massachusetts
IECM
838
Intrinsic Edge Capital Management
Illinois
Acadian Asset Management
839
Acadian Asset Management
Massachusetts
GC
840
Gillson Capital
Illinois
HRCM
841
Hood River Capital Management
Florida
SWGC
842
Summit Wealth Group (Colorado)
Colorado
QCM
843
Qsemble Capital Management
New York
TC
844
Tsai Capital
New York
LC
845
Lakehouse Capital
Australia
AP
846
Archon Partners
New Jersey
BIA
847
Baer Investment Advisory
California
TF
848
Trek Financial
Arizona
KCM
849
Kids Capital Management
California
CM
850
Caption Management
Oklahoma