FundFollowerFundFollower
Super FundsTop AssetsActivityPortfoliosArticlesAbout

Get the FundFollower newsletter

13F-season insights and notable moves. No spam — unsubscribe anytime.

© 2025 FundFollower. All rights reserved.

Data sourced from public SEC filings.

HomeContact UsSuper FundsTop AssetsAbout

Costco Wholesale Corp.

COST

9 institutional investors and hedge funds own COST, holding 1,385,567 shares worth $1.3B (latest 13F filings).

Advanced Chart

Who owns Costco Wholesale Corp. stock?

Institutional holders of COST — largest position first.

Super Fund
Position
Shares
Curr. Value
Port. %
Activity
Parnassus InvestmentsEquity
625,050
$584,715,524
1.56%
-7.47%
Ninety One UKEquity
305,975
$286,230,422
0.64%
+151372.77%
Alphinity Investment ManagementEquity
221,056
$206,791,257
3.44%
+4.33%
Cardano Risk ManagementEquity
186,969
$174,904,000
1.35%
-0.15%
Markel GroupEquity
39,150
$36,623,651
0.28%
0%
Gardner Russo & QuinnEquity
3,399
$3,179,709
0.04%
-26.49%
Semper Augustus Investments GroupEquity
3,354
$3,137,566
0.35%
-0.39%
Harris AssociatesEquity
358
$334,898
0.00%
-1.10%
Winslow Capital ManagementEquity
256
$239,480
0.00%
-97.50%

Ownership Statistics

Total Shares Held: 1,385,567
Total Value Reported: $1,296,156,507
Average Allocation per Portfolio 0.85%
Largest Single Portfolio Allocation: 3.44%
Largest Shareholder: Parnassus Investments
Change in Total Shares Held (Q on Q): +253,018
Percentage Change in Shares Held (Q on Q): 22.34%
Number of Super Fund Holders: 9
Number of New Holders (Q on Q): 0
Number of Funds with Additions (Q on Q): 2
Number of Funds with Reductions (Q on Q): 6
Number of Funds Fully Divested (Q on Q): 0
Number of Funds with No Change (Q on Q): 1

Ownership Distribution

Loading chart…

Ownership History

Loading chart…

Company Profile

Fundamental Data