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CoStar Group

844 hedge funds and large institutions have $27.8B invested in CoStar Group in 2025 Q4 according to their latest regulatory filings, with 102 funds opening new positions, 274 increasing their positions, 385 reducing their positions, and 142 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: $ → $

28% less first-time investments, than exits

New positions opened: 102 | Existing positions closed: 142

29% less repeat investments, than reductions

Existing positions increased: 274 | Existing positions reduced: 385

32% less funds holding in top 10

Funds holding in top 10: 2517 (-8)

Holders
844
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
$207M
Puts
$111M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PFM
626
Patton Fund Management
Texas
$214K
S
627
SignatureFD
Georgia
$212K
SPIA
628
Steward Partners Investment Advisory
New York
$209K
RCA
629
Riverview Capital Advisers
Massachusetts
$206K
PM
630
Phraction Management
Connecticut
$202K
TC
631
TwinBeech Capital
New York
$202K
BIM
632
Bridges Investment Management
Nebraska
$202K
HIIFS
633
Harel Insurance Investments & Financial Services
Israel
$185K
MCM
634
MAI Capital Management
Ohio
$179K
QCG
635
Quadrant Capital Group
Ohio
$178K
WBC
636
Westpac Banking Corp
Australia
$155K
TFIPS
637
Towarzystwo Funduszy Inwestycyjnych PZU SA
$155K
SM
638
STF Management
Texas
$154K
TPCW
639
TD Private Client Wealth
New York
$151K
OWP
640
ORG Wealth Partners
Texas
$150K
RIL
641
Rothschild Investment LLC
Illinois
$148K
AssetMark Inc
642
AssetMark Inc
California
$145K
LS
643
Livforsakringsbolaget Skandia
Sweden
$141K
ZBNA
644
Zions Bancorporation, National Association
Utah
$140K
SAG
645
SageView Advisory Group
California
$134K
FFA
646
Farther Finance Advisors
California
$132K
MPWT
647
MassMutual Private Wealth & Trust
Connecticut
$120K
DAM
648
Delta Asset Management
Tennessee
$118K
WT
649
Whittier Trust
California
$118K
DCU
650
Dara Capital US
Florida
$116K