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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
GAM
351
Generali Asset Management
Italy
$1.83M
HA
352
Harbor Advisors
Florida
$1.79M
Wealthfront Advisers
353
Wealthfront Advisers
California
$1.77M
KRS
354
Kentucky Retirement Systems
Kentucky
$1.76M
PP
355
Prudential plc
United Kingdom
$1.76M
QCM
356
QRG Capital Management
Illinois
$1.75M
DZ Bank
357
DZ Bank
Germany
$1.68M
VCA
358
Verdence Capital Advisors
Maryland
$1.67M
BCI
359
Brinker Capital Investments
Pennsylvania
$1.66M
EI
360
Ethic Inc
New York
$1.66M
HIMCH
361
Hartford Investment Management Co (HIMCO)
Connecticut
$1.65M
Pathstone Holdings
362
Pathstone Holdings
New Jersey
$1.65M
AWM
363
AE Wealth Management
Kansas
$1.65M
VIA
364
Virtus Investment Advisers
Connecticut
$1.64M
SA
365
Sanctuary Advisors
Indiana
$1.63M
CGH
366
Crossmark Global Holdings
Texas
$1.59M
PAS
367
Park Avenue Securities
New York
$1.56M
AA
368
ALPS Advisors
Colorado
$1.54M
P
369
&Partners
Tennessee
$1.51M
Twin Tree Management
370
Twin Tree Management
Texas
$1.51M
AIM
371
Aurora Investment Managers
Florida
$1.5M
BMSSC
372
B. Metzler seel. Sohn & Co
Germany
$1.49M
RSC
373
Red Spruce Capital
Pennsylvania
$1.47M
TVPW
374
Third View Private Wealth
Connecticut
$1.47M
GIBU
375
Gulf International Bank (UK)
United Kingdom
$1.47M