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Costco Wholesale Corp

COST
Exchange
Nasdaq
Industry
Retail-Variety Stores
SEC CIK
0000909832

In the last 90 days, Costco Wholesale Corp insiders filed 0 open-market purchases and 2 sales; 4,261 institutions reported holding it in 13F filings for Q2 2026, worth $301.8B in total; 4 superinvestors hold it, including Markel Group and Gardner Russo & Quinn.

13F holders, Q2 2026

Institutional positions in Costco Wholesale Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in: 44 institutions have reported holding COST so far. See Q3 2026

Institutional holders
4,261
+47 vs. Q1 2026
Shares held
322.8M
+3.17M (+1.0%) vs. Q1 2026
Total value
$301.8B
−$9.05B (−2.9%) vs. Q1 2026
New holders
204
1,734 more added
Sold out
157
1,736 more reduced

60 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting COST on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 4,261 institutions
Q1 2021: 2,359 institutionsQ2 2021: 2,394 institutionsQ3 2021: 2,463 institutionsQ4 2021: 2,823 institutionsQ1 2022: 2,862 institutionsQ2 2022: 2,784 institutionsQ3 2022: 2,825 institutionsQ4 2022: 2,938 institutionsQ1 2023: 2,943 institutionsQ2 2023: 3,041 institutionsQ3 2023: 3,077 institutionsQ4 2023: 3,343 institutionsQ1 2024: 3,419 institutionsQ2 2024: 3,526 institutionsQ3 2024: 3,590 institutionsQ4 2024: 3,941 institutionsQ1 2025: 3,952 institutionsQ2 2025: 4,011 institutionsQ3 2025: 3,941 institutionsQ4 2025: 4,138 institutionsQ1 2026: 4,274 institutionsQ2 2026: 4,261 institutions
Value heldQ2 2026: $301.8B
Q1 2021: $104.1BQ2 2021: $119.0BQ3 2021: $134.3BQ4 2021: $170.2BQ1 2022: $172.4BQ2 2022: $143.4BQ3 2022: $141.6BQ4 2022: $137.2BQ1 2023: $149.2BQ2 2023: $162.0BQ3 2023: $169.9BQ4 2023: $201.0BQ1 2024: $222.0BQ2 2024: $258.3BQ3 2024: $266.7BQ4 2024: $279.6BQ1 2025: $287.8BQ2 2025: $302.3BQ3 2025: $274.4BQ4 2025: $272.0BQ1 2026: $311.5BQ2 2026: $301.8B
Institutions holding COST and their total value by quarter
QuarterHoldersValue
Q2 20264,261$301.8B
Q1 20264,274$311.5B
Q4 20254,138$272.0B
Q3 20253,941$274.4B
Q2 20254,011$302.3B
Q1 20253,952$287.8B
Q4 20243,941$279.6B
Q3 20243,590$266.7B
Q2 20243,526$258.3B
Q1 20243,419$222.0B
Q4 20233,343$201.0B
Q3 20233,077$169.9B
Q2 20233,041$162.0B
Q1 20232,943$149.2B
Q4 20222,938$137.2B
Q3 20222,825$141.6B
Q2 20222,784$143.4B
Q1 20222,862$172.4B
Q4 20212,823$170.2B
Q3 20212,463$134.3B
Q2 20212,394$119.0B
Q1 20212,359$104.1B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Costco Wholesale Corp; share changes are against Q1 2026.

Institutions holding COST in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Legacy Wealth Management, LLC3,702$3.46M0.89%−34−0.9%Reduced
Ashton Thomas Securities, LLC3,708$3.46M0.51%+644+21.0%Added
NorthStar Asset Management LLC3,704$3.46M1.41%−35−0.9%Reduced
NTV Asset Management LLC3,716$3.48M0.34%−200−5.1%Reduced
Kovitz Investment Group Partners, LLC3,723$3.48M0.08%+7+0.2%Added
Newbridge Financial Services Group, Inc.3,725$3.48M0.43%−145−3.7%Reduced
Silver Oak Securities, Inc3,734$3.49M0.21%+10+0.3%Added
Aviance Capital Partners, LLC3,742$3.50M0.36%−34−0.9%Reduced
Ironwood Financial, llc3,780$3.50M0.55%−14−0.4%Reduced
XML Financial, LLC3,744$3.50M0.25%+4+0.1%Added
Whitener Capital Management, Inc.3,752$3.51M0.74%+21+0.6%Added
Fortitude Advisory Group L.L.C.3,763$3.52M1.35%+172+4.8%Added
Elyxium Wealth, LLC3,769$3.53M0.37%+271+7.7%Added
Marex Group plc3,777$3.53M0.03%−71,298−95.0%Reduced
Walkner Condon Financial Advisors LLC3,783$3.54M0.41%−292−7.2%Reduced
Venturi Wealth Management, LLC3,786$3.54M0.14%+134+3.7%Added
Southeast Asset Advisors Inc.3,790$3.55M0.36%−4−0.1%Reduced
Central Pacific Bank - Trust Division3,797$3.55M0.36%+1,749+85.4%Added
Coastal Bridge Advisors, LLC3,802$3.56M0.22%−384−9.2%Reduced
Nvest Financial, LLC3,814$3.57M1.13%+152+4.2%Added
Platform Technology Partners3,821$3.57M0.59%+5+0.1%Added
Pincus Capital Management, LP3,825$3.58M2.13%00.0%Unchanged
Aspire Capital Advisors LLC3,827$3.58M0.70%−73−1.9%Reduced
Doheny Asset Management3,828$3.58M2.08%−2−0.1%Reduced
Highline Wealth Partners LLC3,831$3.58M0.73%−89−2.3%Reduced
James Investment Research Inc3,831$3.58M0.36%+10+0.3%Added
Oak Thistle LLC3,835$3.59M0.35%+2,978+347.5%Added
Bryn Mawr Trust Co3,843$3.60M0.08%−14−0.4%Reduced
Gould Capital, LLC3,847$3.60M2.01%−113−2.9%Reduced
Lynch Asset Management, Inc.3,850$3.60M0.98%00.0%Unchanged
MTM Investment Management, LLC3,874$3.62M1.03%00.0%Unchanged
Wisconsin Capital Management LLC3,877$3.63M1.72%+60+1.6%Added
Monetary Management Group Inc3,880$3.63M0.75%−60−1.5%Reduced
Mitchell McLeod Pugh & Williams Inc3,888$3.64M0.45%+456+13.3%Added
Hodges Capital Management Inc.3,889$3.64M0.24%−315−7.5%Reduced
Warm Springs Advisors Inc.3,899$3.65M2.52%00.0%Unchanged
Ironwood Investment Counsel, LLC3,901$3.65M0.48%+16+0.4%Added
Abundance Wealth Counselors3,924$3.67M0.24%+1,781+83.1%Added
TriaGen Wealth Management LLC3,929$3.68M0.92%−2,137−35.2%Reduced
Harfst & Associates, Inc.3,934$3.68M0.57%−34−0.9%Reduced
Trail Ridge Investment Advisors, LLC3,935$3.68M1.55%−1,517−27.8%Reduced
Evolve Private Wealth, LLC3,937$3.68M0.23%−3,326−45.8%Reduced
Hilltop Holdings Inc.3,945$3.69M0.30%−189−4.6%Reduced
Perennial Investment Advisors, LLC3,950$3.70M0.25%+274+7.5%Added
Nicholas Hoffman & Company, LLC.3,968$3.71M0.08%−6−0.2%Reduced
IPG Investment Advisors LLC3,975$3.72M0.53%−1,574−28.4%Reduced
Jacobi Capital Management LLC3,982$3.72M0.18%−44−1.1%Reduced
Golden State Wealth Management, LLC3,995$3.74M0.34%+12+0.3%Added
Saturna Capital CORP3,996$3.74M0.05%−150−3.6%Reduced
Compton Wealth Advisory Group, LLC4,048$3.74M0.76%−3−0.1%Reduced
Peak Asset Management, LLC4,007$3.75M0.55%+359+9.8%Added
Gateway Wealth Partners, LLC4,008$3.75M0.22%−3,460−46.3%Reduced
Connors Investor Services Inc4,008$3.75M0.32%−48−1.2%Reduced
Cherry Creek Investment Advisors, Inc.4,009$3.75M1.48%−46−1.1%Reduced
Gallagher Capital Advisors, LLC4,024$3.76M2.19%+19+0.5%Added
Aries Wealth Management4,025$3.77M0.74%00.0%Unchanged
Capstone Financial Advisors, Inc.4,029$3.77M0.18%+16+0.4%Added
Bollard Group LLC4,036$3.78M0.11%+20+0.5%Added
M3 Wealth Management, LLC4,040$3.78M2.45%−7−0.2%Reduced
Strong Tower Advisory Services4,050$3.79M0.68%+91+2.3%Added
Deuterium Capital Management, LLC4,050$3.79M4.10%00.0%Unchanged
Financial Management Network Inc4,028$3.79M0.54%+4,028New
Carret Asset Management, LLC4,053$3.79M0.33%−10−0.2%Reduced
Douglas Lane & Associates, LLC4,053$3.79M0.05%−158−3.8%Reduced
Fortis Capital Advisors, LLC4,067$3.80M0.43%+60+1.5%Added
Ninety One SA (PTY) Ltd4,057$3.81M0.21%+4,057New
Berbice Capital Management LLC4,085$3.82M1.98%00.0%Unchanged
PDS Planning, Inc4,086$3.82M0.22%+239+6.2%Added
Premier Path Wealth Partners, LLC4,095$3.83M0.44%−386−8.6%Reduced
Capstone Triton Financial Group, LLC4,101$3.84M2.21%+4,101New
Illumine Investment Management, LLC0$3.84M2.50%−4,279−100.0%Reduced
Cairn Investment Group, Inc.4,111$3.85M1.70%+200+5.1%Added
WSFS Capital Management, LLC4,113$3.85M0.17%−39−0.9%Reduced
GSB Wealth Management, LLC4,119$3.85M0.77%−7−0.2%Reduced
Finivi Inc.4,128$3.86M1.98%+84+2.1%Added
TFR Capital, LLC.4,135$3.87M1.09%−415−9.1%Reduced
Natural Investments, LLC4,144$3.88M0.85%+803+24.0%Added
Arbor Trust Wealth Advisors, LLC4,163$3.89M1.57%+73+1.8%Added
Covenant Asset Management, LLC4,166$3.90M0.69%00.0%Unchanged
BOK Financial Private Wealth, Inc.4,176$3.91M0.20%−175−4.0%Reduced
Old North State Trust, LLC4,176$3.91M2.01%+58+1.4%Added
Ebert Capital Management Inc.4,180$3.91M3.67%−19−0.5%Reduced
Meiji Yasuda Life Insurance Co4,181$3.91M0.13%+10.0%Added
Symphony Financial, Ltd. Co.4,146$3.92M0.43%+392+10.4%Added
Cigna Investments Inc4,193$3.92M0.51%−39−0.9%Reduced
AssuredPartners Investment Advisors, LLC4,196$3.93M0.38%+10.0%Added
Moody National Bank Trust Division4,198$3.93M0.33%−109−2.5%Reduced
Somerset Group LLC4,287$3.93M2.76%+18+0.4%Added
Highview Capital Management LLC4,204$3.93M1.13%+405+10.7%Added
Cooper Financial Group4,208$3.94M0.33%−139−3.2%Reduced
Garde Capital, Inc.4,213$3.94M0.18%+12+0.3%Added
Avidian Wealth Solutions, LLC4,218$3.95M0.11%+186+4.6%Added
Legato Capital Management LLC4,224$3.95M0.33%−575−12.0%Reduced
RMB Capital Management, LLC4,224$3.95M0.06%+209+5.2%Added
one8zero8, LLC4,225$3.95M0.78%−300−6.6%Reduced
WT Wealth Management4,227$3.95M1.10%+541+14.7%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors4,227$3.95M0.44%+10.0%Added
Argus Investors' Counsel, Inc.4,244$3.97M3.06%−99−2.3%Reduced
JGP Wealth Management, LLC4,249$3.97M0.36%+59+1.4%Added
Aire Advisors, LLC4,250$3.98M0.65%−26−0.6%Reduced