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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: 20 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: 2,863 institutionsQ2 2022: 2,785 institutionsQ3 2022: 2,826 institutionsQ4 2022: 2,939 institutionsQ1 2023: 2,944 institutionsQ2 2023: 3,042 institutionsQ3 2023: 3,078 institutionsQ4 2023: 3,344 institutionsQ1 2024: 3,420 institutionsQ2 2024: 3,527 institutionsQ3 2024: 3,591 institutionsQ4 2024: 3,942 institutionsQ1 2025: 3,953 institutionsQ2 2025: 4,012 institutionsQ3 2025: 3,942 institutionsQ4 2025: 4,139 institutionsQ1 2026: 4,275 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 20264,275$311.5B
Q4 20254,139$272.0B
Q3 20253,942$274.4B
Q2 20254,012$302.3B
Q1 20253,953$287.8B
Q4 20243,942$279.6B
Q3 20243,591$266.7B
Q2 20243,527$258.3B
Q1 20243,420$222.0B
Q4 20233,344$201.0B
Q3 20233,078$169.9B
Q2 20233,042$162.0B
Q1 20232,944$149.2B
Q4 20222,939$137.2B
Q3 20222,826$141.6B
Q2 20222,785$143.4B
Q1 20222,863$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
Seamount Financial Group Inc1,570$1.47M0.59%−253−13.9%Reduced
Versant Capital Management, Inc1,571$1.47M0.13%−60−3.7%Reduced
BankPlus Trust Department1,571$1.47M0.34%−11−0.7%Reduced
Sterling Investment Counsel, LLC1,572$1.47M0.35%+13+0.8%Added
Personal Cfo Solutions, LLC1,574$1.47M0.21%+27+1.7%Added
SoundView Advisors Inc.1,576$1.47M0.48%00.0%Unchanged
EPG Wealth Management LLC1,576$1.47M0.35%−51−3.1%Reduced
Strategic Global Advisors, LLC1,577$1.48M0.21%−4,526−74.2%Reduced
Orser Capital Management, LLC1,577$1.48M0.77%+1,577New
Aspen Investment Management Inc1,580$1.48M0.40%+48+3.1%Added
Northstar Financial Companies, Inc.1,582$1.48M1.00%+355+28.9%Added
Kestra Investment Management, LLC1,586$1.48M0.03%+619+64.0%Added
IMA Wealth, Inc.1,587$1.48M0.09%+1,307+466.8%Added
DMG Group, LLC1,589$1.49M1.02%−301−15.9%Reduced
Keystone Financial Group1,590$1.49M0.09%+51+3.3%Added
DT Investment Partners, LLC1,590$1.49M0.11%+15+1.0%Added
Eagle Global Advisors LLC1,590$1.49M0.05%+214+15.6%Added
General Partner, Inc.1,592$1.49M0.80%−100−5.9%Reduced
Ark Wealth Advisors LLC1,592$1.49M1.32%+244+18.1%Added
Laraway Financial Inc1,594$1.49M0.91%−25−1.5%Reduced
BKD Wealth Advisors, LLC1,596$1.49M0.02%+24+1.5%Added
Wealth Advisors of Tampa Bay, LLC1,599$1.50M0.46%−29−1.8%Reduced
SPX Equities Gestao de Recursos Ltda1,600$1.50M0.17%+1,600New
Ticino Wealth1,604$1.50M0.47%+4+0.3%Added
CM Wealth Advisors LLC1,605$1.50M0.27%+42+2.7%Added
YANKCOM Partnership1,606$1.50M0.54%+52+3.3%Added
Excalibur Management Corp1,609$1.51M0.50%+6+0.4%Added
VUB Generali dochodkova spravcovska spolocnost, a.s.1,610$1.51M1.04%00.0%Unchanged
Goldstone Financial Group, LLC1,610$1.51M0.14%+145+9.9%Added
Red Wave Investments LLC1,613$1.51M0.38%−168−9.4%Reduced
Paragon Private Wealth Management, LLC1,614$1.51M0.39%+41+2.6%Added
MW Advisory, LLC1,617$1.51M0.60%+1,617New
Net Worth Advisory Group1,618$1.51M0.38%−423−20.7%Reduced
SBI Okasan Asset Management Co.Ltd.1,600$1.51M0.05%−157−8.9%Reduced
Rollins Financial Advisors, LLC1,619$1.51M0.20%−56−3.3%Reduced
Mark Sheptoff Financial Planning, LLC1,624$1.52M0.81%00.0%Unchanged
Odyssey Capital Advisors, Inc.1,629$1.52M1.09%+137+9.2%Added
LifeSteps Financial, Inc.1,630$1.52M0.71%−8−0.5%Reduced
Eagle Wealth Advisors LLC1,631$1.53M1.16%+75+4.8%Added
LBMC Investment Advisors, LLC1,634$1.53M0.08%−444−21.4%Reduced
Chaney Capital Management, Inc.1,635$1.53M0.48%−10−0.6%Reduced
Bolthouse Investments, LLC1,636$1.53M1.24%00.0%Unchanged
Snowwater Investment Partners, LLC1,638$1.53M1.06%−31−1.9%Reduced
3Chopt Investment Partners, LLC1,639$1.53M0.29%+125+8.3%Added
Stonebrook Private Inc.1,639$1.53M0.28%+20+1.2%Added
Bellwether Advisors, LLC1,642$1.54M0.23%+1,437+701.0%Added
Levin Capital Strategies, L.P.1,645$1.54M0.10%+2+0.1%Added
Astoria Portfolio Advisors LLC.1,646$1.54M0.26%+237+16.8%Added
Tred Avon Family Wealth, LLC1,649$1.54M0.47%−5−0.3%Reduced
Platt Wealth Management LLC1,650$1.54M1.24%−1,146−41.0%Reduced
Continental Investors Services, Inc.1,640$1.54M1.21%+13+0.8%Added
Sanchez Levi Garrett1,655$1.55M0.84%−67−3.9%Reduced
Meyer Handelman Co1,655$1.55M0.04%+17+1.0%Added
United Community Bank1,659$1.55M0.48%+9+0.5%Added
Altfest L J & Co Inc1,665$1.56M0.15%00.0%Unchanged
Maimon Wealth Management Ltd.1,665$1.56M1.20%+25+1.5%Added
Robinswood Financial LLC1,665$1.56M0.45%−3−0.2%Reduced
Alta Advisers Ltd1,666$1.56M0.35%00.0%Unchanged
MKT Advisors LLC1,647$1.56M0.48%−127−7.2%Reduced
BluePath Capital Management, LLC1,670$1.56M0.86%+43+2.6%Added
CRA Financial Services, LLC1,671$1.56M0.18%+17+1.0%Added
Coastwise Capital Group, LLC1,674$1.57M0.91%+171+11.4%Added
IronBridge Private Wealth, LLC1,674$1.57M0.51%+1,674New
Pullen Investment Management, LLC1,674$1.57M0.73%−10−0.6%Reduced
Peddock Capital Advisors, LLC1,676$1.57M0.31%00.0%Unchanged
JLB & Associates Inc1,677$1.57M0.21%+1,677New
Patton Albertson Miller Group, LLC1,678$1.57M0.16%+19+1.1%Added
Heartland Bank & Trust Co1,681$1.57M0.33%+154+10.1%Added
Paradigm Asset Management Co LLC1,681$1.57M0.34%+1,100+189.3%Added
Copos Capital S.a r.l.1,683$1.57M0.21%+1,683New
Pioneer Trust Bank N A1,688$1.58M0.36%00.0%Unchanged
R2 Capital Strategies, LLC1,692$1.58M0.72%+1,692New
Maridea Wealth Management LLC1,695$1.59M0.17%−351−17.2%Reduced
AMJ Financial Wealth Management1,594$1.59M0.38%00.0%Unchanged
Stockman Wealth Management, Inc.1,698$1.59M0.16%−385−18.5%Reduced
Seeds Investor LLC1,699$1.59M0.16%−35−2.0%Reduced
McAdam, LLC1,699$1.59M0.06%+109+6.9%Added
KLCM Advisors, Inc.1,700$1.59M0.13%+10+0.6%Added
Canandaigua National Bank & Trust Co1,703$1.59M0.13%+1,703New
Mosaic Family Wealth Partners, LLC1,705$1.59M0.11%+263+18.2%Added
Westco Advisory Services Inc1,706$1.60M0.96%−29−1.7%Reduced
Retirement Solution Inc.1,706$1.60M0.31%+105+6.6%Added
Shira Ridge Wealth Management1,707$1.60M0.56%+1+0.1%Added
Register Financial Advisors LLC1,710$1.60M0.49%+1+0.1%Added
D L Carlson Investment Group Inc1,710$1.60M0.25%+35+2.1%Added
Beacon Investment Advisory Services, Inc.1,713$1.60M0.06%−170−9.0%Reduced
Shum Financial Group, Inc.1,715$1.60M0.97%+57+3.4%Added
Paul R. Ried Financial Group, LLC1,717$1.61M0.70%−51−2.9%Reduced
Cheviot Value Management, LLC1,718$1.61M0.16%+29+1.7%Added
MCF Advisors LLC1,724$1.61M0.06%+3+0.2%Added
Red Mountain Financial, LLC1,728$1.62M1.36%+152+9.6%Added
Bridgewater Advisors Inc.1,695$1.62M0.09%−90−5.0%Reduced
London Co of Virginia1,730$1.62M0.01%00.0%Unchanged
Abacus Wealth Partners, LLC1,730$1.62M0.17%−80−4.4%Reduced
Burke & Herbert Bank & Trust Co1,732$1.62M0.40%−3−0.2%Reduced
Drake & Associates, LLC1,735$1.62M0.27%−703−28.8%Reduced
Arbor Investment Advisors, LLC1,735$1.62M0.18%−74−4.1%Reduced
Logan Capital Management Inc1,735$1.62M0.06%+1,735New
Crews Bank & Trust1,740$1.63M0.21%−35−2.0%Reduced
Keudell/Morrison Wealth Management1,743$1.63M0.31%−40−2.2%Reduced