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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, 271 increasing their positions, 384 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: 271 | Existing positions reduced: 384

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
CFO
401
Callan Family Office
Pennsylvania
$1.15M
OAC
402
OMERS Administration Corp
Ontario, Canada
$1.15M
SC
403
Skylands Capital
Wisconsin
$1.15M
LOAMS
404
Lombard Odier Asset Management (Switzerland)
Switzerland
$1.13M
EMPI
405
Elo Mutual Pension Insurance
Finland
$1.12M
EOJOAM
406
E. Ohman J:or Asset Management
Sweden
$1.12M
MCM
407
Mattern Capital Management
Colorado
$1.11M
CPIG
408
Chicago Partners Investment Group
Illinois
$1.1M
KeyBank National Association
409
KeyBank National Association
Ohio
$1.1M
LC
410
Lincoln Capital
Nebraska
$1.1M
TMAM
411
Tokio Marine Asset Management
Japan
$1.09M
Verition Fund Management
412
Verition Fund Management
Connecticut
$1.08M
RWB
413
RMR Wealth Builders
New Jersey
$1.08M
BEI
414
Benjamin Edwards Inc
Missouri
$1.08M
EP
415
Edgestream Partners
New Jersey
$1.06M
IFWM
416
Institute for Wealth Management
Colorado
$1.05M
RAM
417
Redmond Asset Management
Virginia
$1.03M
FDCDDQ
418
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1M
GC
419
Guidance Capital
Kentucky
$996K
IC
420
IEQ Capital
California
$980K
STA
421
Summit Trail Advisors
New York
$972K
KAS
422
Kestra Advisory Services
Texas
$965K
NDSIB
423
North Dakota State Investment Board
North Dakota
$963K
CPCPP
424
Canada Post Corporation Pension Plan
Canada
$953K
VA
425
Vident Advisory
Georgia
$948K