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CoStar Group

838 hedge funds and large institutions have $27.8B invested in CoStar Group in 2025 Q4 according to their latest regulatory filings, with 99 funds opening new positions, 273 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: 273 | Existing positions reduced: 383

30% less first-time investments, than exits

New positions opened: 99 | Existing positions closed: 141

32% less funds holding in top 10

Funds holding in top 10: 2517 (-8)

Holders
838
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
Wealth Enhancement Advisory Services
376
Wealth Enhancement Advisory Services
Minnesota
$1.45M
YIH
377
Y-Intercept (HK)
Hong Kong
$1.43M
MSRPS
378
Maryland State Retirement & Pension System
Maryland
$1.43M
PA
379
Parallel Advisors
California
$1.4M
Carson Wealth (CWM LLC)
380
Carson Wealth (CWM LLC)
Nebraska
$1.39M
N
381
Natixis
France
$1.38M
FFA
382
First Foundation Advisors
California
$1.38M
OTL
383
Oak Thistle LLC
New York
$1.37M
FBT
384
First Bank & Trust
South Dakota
$1.35M
Group One Trading
385
Group One Trading
Illinois
$1.33M
NMERB
386
New Mexico Educational Retirement Board
New Mexico
$1.32M
MWM
387
Maridea Wealth Management
New York
$1.3M
Bessemer Group
388
Bessemer Group
New Jersey
$1.29M
AIP
389
Ameritas Investment Partners
Nebraska
$1.29M
PWG
390
Portside Wealth Group
Utah
$1.29M
TI
391
Tidal Investments
Wisconsin
$1.28M
CB
392
Commerce Bank
Missouri
$1.27M
CS
393
Candriam SCA
Luxembourg
$1.26M
Baird Financial Group
394
Baird Financial Group
Wisconsin
$1.25M
QWP
395
Quotient Wealth Partners
Texas
$1.23M
BAMF
396
BI Asset Management Fondsmaeglerselskab
Denmark
$1.21M
M&T Bank
397
M&T Bank
New York
$1.2M
IWA
398
Icon Wealth Advisors
Texas
$1.18M
MSE
399
MUFG Securities EMEA
United Kingdom
$1.17M
DILIC
400
Dai-ichi Life Insurance Company
Japan
$1.17M