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Costco

3,916 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, 1,647 increasing their positions, 1,583 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:

1.99% less ownership

Funds ownership: 68.88%66.88% (-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
3,916
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
HCA
1151
Harbour Capital Advisors
Virginia
$6M
DSC
1152
Duncker Streett & Co
Missouri
$5.99M
BWP
1153
Balboa Wealth Partners
Arizona
$5.99M
ME
1154
McIlrath & Eck
Washington
$5.96M
LW
1155
Linscomb Wealth
Texas
$5.96M
NB
1156
Nicolet Bankshares
Wisconsin
$5.94M
CI
1157
Conning Inc
Connecticut
$5.94M
CF
1158
Centaurus Financial
California
$5.93M
MIA
1159
MMBG Investment Advisors
Florida
$5.93M
FWIA
1160
Fort Washington Investment Advisors
Ohio
$5.93M
FWC
1161
First Washington Corp
Washington
$5.93M
CK
1162
Cohen Klingenstein
New York
$5.92M
SGA
1163
Strategic Global Advisors
California
$5.92M
1GI
1164
180 GPS Investments
$5.9M
SA
1165
Sovran Advisors
California
$5.9M
AF
1166
AGP Franklin
Tennessee
$5.9M
SCA
1167
Sage Capital Advisors
South Dakota
$5.9M
MAM
1168
Morse Asset Management
Connecticut
$5.9M
DAM
1169
Diamant Asset Management
Connecticut
$5.89M
BAMCO Inc
1170
BAMCO Inc
New York
$5.88M
TPA
1171
Trivium Point Advisory
Connecticut
$5.87M
KAM
1172
Knightsbridge Asset Management
California
$5.86M
HWM
1173
Hohimer Wealth Management
Washington
$5.86M
MCCP
1174
Mission Creek Capital Partners
California
$5.85M
NWM
1175
Northcape Wealth Management
New York
$5.84M