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Costco

3,908 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, 1,640 increasing their positions, 1,584 reducing their positions, and 169 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 funds holding

Funds holding:

2% less ownership

Funds ownership: 68.86%66.87% (-2%)

9% less capital invested

Capital invested by funds: $302B → $274B (-$27.8B)

27% less funds holding in top 10

Funds holding in top 10: 320234 (-86)

Holders
3,908
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
234
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 -$1.4B
2 -$914M
3 -$769M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$727M
5
Axa
Axa
France
-$376M
Name Holding Trade Value Shares
Change
Change in
Stake
CCIA
3926
Campbell & Co Investment Adviser
Maryland
DWA
3927
Dorsey Wright & Associates
California
DL
3928
DOHJ LLC
Washington
PA
3929
Prossimo Advisors
California
SM
3930
Sciencast Management
New Jersey
Alyeska Investment Group
3931
Alyeska Investment Group
Illinois
PMAM
3932
Picton Mahoney Asset Management
Ontario, Canada
MPA
3933
Marvin & Palmer Associates
Delaware
OTL
3934
Oak Thistle LLC
New York
SPS
3935
Susquehanna Portfolio Strategies
Pennsylvania
CC
3936
Centiva Capital
New York
IC
3937
Iconiq Capital
California
PA
3938
Paragon Advisors
Texas
MS
3939
Maven Securities
Jersey
SWGC
3940
Summit Wealth Group (Colorado)
Colorado
FIM
3941
Freedom Investment Management
Connecticut
ES
3942
Element Squared
Minnesota
GCM
3943
Genus Capital Management
British Columbia, Canada
CIM
3944
Caldwell Investment Management
Ontario, Canada
WLG
3945
Williamson Legacy Group
Indiana
MC
3946
Martin & Co
Tennessee
VSQM
3947
V-Square Quantitative Management
Illinois
QIM
3948
Quantitative Investment Management
Virginia
HFRG
3949
Houlihan Financial Resource Group
Virginia
SIM
3950
Seaview Investment Managers
Florida