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Costco

3,884 hedge funds and large institutions have $274B invested in Costco in 2025 Q3 according to their latest regulatory filings, with 168 funds opening new positions, 1,626 increasing their positions, 1,577 reducing their positions, and 170 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less call options, than puts

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

less ownership

Funds ownership:

2% less funds holding

Funds holding: 3,9703,884 (-86)

9% less capital invested

Capital invested by funds: $302B → $274B (-$28B)

27% less funds holding in top 10

Funds holding in top 10: 321233 (-88)

Holders
3,884
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
233
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.17B
Puts
$10.1B
Net Calls
Net Calls Change

Top Sellers

1 -$1.35B
2 -$883M
3 -$742M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$702M
5
Axa
Axa
France
-$363M
Name Holding Trade Value Shares
Change
Change in
Stake
SIM
3926
Seaview Investment Managers
Florida
UOC
3927
UBS O'Connor
Illinois
PWM
3928
Prosperity Wealth Management
California
MC
3929
Machina Capital
France
VBWMG
3930
Von Berge Wealth Management Group
California
DFCM
3931
Dark Forest Capital Management
Puerto Rico
BMM
3932
Berkshire Money Management
Massachusetts
SRL
3933
Scientech Research LLC
New Jersey
WMWM
3934
Whitaker-Myers Wealth Managers
Ohio
AC
3935
AXQ Capital
New Jersey
APW
3936
Axim Planning & Wealth
Ohio
TCM
3937
Tributary Capital Management
Nebraska
FC
3938
Farringdon Capital
United Kingdom
AA
3939
ABC Arbitrage
France
WC
3940
Wexford Capital
Florida
HCC
3941
Hirtle Callaghan & Co
Pennsylvania
TI
3942
TTP Investments
California
QC
3943
Quadrature Capital
United Kingdom
SXL
3944
Summit X LLC
Missouri
SOW
3945
State of Wyoming
Wyoming
JTWM
3946
Jackson Thornton Wealth Management
Alabama
PTC
3947
Petrus Trust Company
Texas
CCA
3948
Cooper Capital Advisors
California
SW
3949
SMART Wealth
Nebraska
OR
3950
Olympiad Research
Connecticut