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CoStar Group

881 hedge funds and large institutions have $34.8B invested in CoStar Group in 2025 Q3 according to their latest regulatory filings, with 105 funds opening new positions, 351 increasing their positions, 308 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

2% more capital invested

Capital invested by funds: $34.1B → $34.8B (+$693M)

3.09% less ownership

Funds ownership: 100.61%97.52% (-3.1%)

4% less funds holding in top 10

Funds holding in top 10: 2625 (-1)

Holders
881
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$199M
Puts
$81.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
RWB
426
RMR Wealth Builders
New Jersey
$1.35M
RAM
427
Redmond Asset Management
Virginia
$1.33M
AAP
428
Arax Advisory Partners
Colorado
$1.32M
CCA
429
Conestoga Capital Advisors
Pennsylvania
$1.31M
TMAM
430
Tokio Marine Asset Management
Japan
$1.3M
BEI
431
Benjamin Edwards Inc
Missouri
$1.3M
Walleye Capital
432
Walleye Capital
New York
$1.3M
DZ Bank
433
DZ Bank
Germany
$1.28M
DFCM
434
Dark Forest Capital Management
Puerto Rico
$1.22M
Carson Wealth (CWM LLC)
435
Carson Wealth (CWM LLC)
Nebraska
$1.21M
VFA
436
Voya Financial Advisors
Connecticut
$1.21M
MGP
437
Metis Global Partners
California
$1.21M
DCM
438
Davis Capital Management
Florida
$1.2M
GBT
439
Grove Bank & Trust
Florida
$1.2M
MAM
440
Meeder Asset Management
Ohio
$1.18M
SLI
441
Sumitomo Life Insurance
Japan
$1.17M
HI
442
Horizon Investments
North Carolina
$1.17M
EF
443
Empowered Funds
Pennsylvania
$1.16M
MMA
444
Miracle Mile Advisors
California
$1.15M
CL
445
Choreo LLC
Illinois
$1.15M
SSA
446
Schonfeld Strategic Advisors
New York
$1.15M
JF
447
Jump Financial
Illinois
$1.15M
NMIMC
448
Northwestern Mutual Investment Management Company
Wisconsin
$1.14M
AWAU
449
Alliance Wealth Advisors (Utah)
Utah
$1.14M
RCG
450
Regatta Capital Group
California
$1.13M