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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: 2,862 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
Vivid Wealth Management, LLC2,852$2.67M0.94%+64+2.3%Added
Toth Financial Advisory Corp2,862$2.68M0.26%+315+12.4%Added
AlphaStar Capital Management, LLC2,870$2.69M0.17%+213+8.0%Added
Root Financial Partners, LLC2,872$2.69M0.10%+492+20.7%Added
Strategic Financial Services, Inc,2,883$2.70M0.12%−95−3.2%Reduced
Seneschal Advisors, LLC2,890$2.70M1.85%−29−1.0%Reduced
One Degree Advisors Inc2,925$2.70M0.60%−16−0.5%Reduced
Plancorp, LLC2,920$2.71M0.07%+721+32.8%Added
FWL Investment Management, LLC2,893$2.71M0.50%−99−3.3%Reduced
Integral Investment Advisors, Inc.2,898$2.71M0.60%+44+1.5%Added
Focused Alpha, LLC2,900$2.71M0.70%+11+0.4%Added
Stokes Family Office, LLC2,902$2.72M0.32%−111−3.7%Reduced
Naples Global Advisors, LLC2,903$2.72M0.17%+107+3.8%Added
Agate Pass Investment Management, LLC2,903$2.72M1.00%−305−9.5%Reduced
XTX Topco Ltd2,910$2.72M0.04%+2,385+454.3%Added
Garrett Investment Advisors LLC2,916$2.73M0.20%+54+1.9%Added
Commons Capital, LLC2,920$2.73M1.91%+43+1.5%Added
Cutler Investment Counsel LLC2,936$2.75M0.26%−17−0.6%Reduced
Hixon Zuercher, LLC2,938$2.75M0.81%−27−0.9%Reduced
Capital Investment Advisory Services, LLC2,945$2.76M0.17%+153+5.5%Added
Caldwell Sutter Capital, Inc.2,948$2.76M1.04%−65−2.2%Reduced
BlackDiamond Wealth Management Inc.2,895$2.76M1.12%−60−2.0%Reduced
Fortis Group Advisors, LLC2,957$2.77M0.44%−65−2.2%Reduced
First County Bank2,959$2.77M1.30%+14+0.5%Added
Fisher Funds Management LTD2,959$2.77M0.08%+2,959New
Mairs & Power Inc2,963$2.77M0.03%00.0%Unchanged
Wealth Management Partners, LLC2,967$2.78M0.65%−4−0.1%Reduced
Graybill Bartz & Assoc Ltd2,970$2.78M0.75%−153−4.9%Reduced
Atticus Wealth Management, LLC2,971$2.78M0.66%−102−3.3%Reduced
JM2 Capital Inc.2,973$2.78M1.91%−6−0.2%Reduced
Quadrant Private Wealth Management, LLC2,978$2.79M0.62%−48−1.6%Reduced
Cornell Pochily Investment Advisors, Inc.2,980$2.79M0.75%+14+0.5%Added
Financial Network Wealth Management LLC2,981$2.79M0.79%−6−0.2%Reduced
Aft, Forsyth & Sober, LLC2,800$2.79M0.87%00.0%Unchanged
Cpwa, LLC2,984$2.79M3.24%+4+0.1%Added
Davidson Capital Management Inc.2,988$2.80M0.45%+51+1.7%Added
Westbourne Investments, Inc.2,992$2.80M1.14%−75−2.4%Reduced
U S Wealth Group, LLC.2,995$2.80M1.68%+449+17.6%Added
Visionary Wealth Advisors2,999$2.81M0.11%−2−0.1%Reduced
C2P Capital Advisory Group, LLC d.b.a. Prosperity Capital Advisors3,009$2.81M0.14%−467−13.4%Reduced
Summit Place Financial Advisors, LLC3,019$2.82M1.24%+146+5.1%Added
Verus Capital Partners, LLC3,028$2.83M0.15%−6−0.2%Reduced
Woodard & Co Asset Management Group Inc3,039$2.84M0.41%+112+3.8%Added
Westpac Banking Corp3,047$2.85M0.18%+2,062+209.3%Added
Mainsail Financial Group, LLC3,047$2.85M0.97%+22+0.7%Added
Mitchell & Pahl Private Wealth, LLC3,050$2.85M1.05%+59+2.0%Added
Third View Private Wealth, LLC3,050$2.85M0.35%+224+7.9%Added
Chatham Capital Group, Inc.3,064$2.87M0.37%−40−1.3%Reduced
Cornerstone Advisory, LLC3,069$2.87M0.24%−2−0.1%Reduced
Value Partners Investments Inc.3,078$2.88M0.20%+3,078New
St. Nicholas Private Asset Management, Inc3,075$2.88M2.51%+120+4.1%Added
Avalon Trust Co3,077$2.88M0.18%00.0%Unchanged
Tradition Wealth Management, LLC3,079$2.88M0.18%−26−0.8%Reduced
Edmond de Rothschild Holding S.A.3,081$2.88M0.04%+796+34.8%Added
Figure 8 Investment Strategies LLC3,082$2.88M2.44%−44−1.4%Reduced
Frec Markets, Inc.3,082$2.88M0.26%+201+7.0%Added
RNC Capital Management LLC3,087$2.89M0.12%−15−0.5%Reduced
Chemistry Wealth Management LLC3,087$2.89M0.46%+8+0.3%Added
Johnson Financial Group, Inc.3,095$2.90M0.10%−221−6.7%Reduced
Valley Brook Capital Group3,100$2.90M1.64%+70+2.3%Added
Prestige Wealth Management Group LLC3,104$2.90M0.53%+491+18.8%Added
Clear Harbor Asset Management, LLC3,108$2.91M0.18%+550+21.5%Added
DB&C Advisors, LLC3,109$2.91M3.15%+2+0.1%Added
Alta Wealth Advisors LLC3,123$2.92M0.79%−10.0%Reduced
Lakeshore Capital Group, Inc.3,132$2.93M2.17%−42−1.3%Reduced
New Age Alpha Advisors, LLC3,134$2.93M0.12%−2,168−40.9%Reduced
Hilltop Partners LLC3,151$2.95M0.71%+458+17.0%Added
SS&H Financial Advisors, Inc.3,155$2.95M0.75%+3,155New
CNB Bank3,160$2.96M1.15%+61+2.0%Added
Torrey Growth & Income Advisors3,146$2.96M1.00%+200+6.8%Added
Founders Financial Securities LLC3,160$2.96M0.15%−119−3.6%Reduced
Purkiss Capital Advisors LLC3,161$2.96M1.13%+1,503+90.7%Added
Insight Advisors, LLC3,169$2.97M0.52%−197−5.9%Reduced
Sandro Wealth Management LLC3,176$2.97M2.15%+106+3.5%Added
Tocqueville Asset Management L.P.3,185$2.98M0.04%−31−1.0%Reduced
Cladis Investment Advisory, LLC3,198$2.99M1.40%−10−0.3%Reduced
Boothbay Fund Management, LLC3,200$2.99M0.06%+1,278+66.5%Added
Channel Wealth LLC3,205$3.00M0.67%−400−11.1%Reduced
Capital Performance Advisors LLP3,207$3.00M0.19%−954−22.9%Reduced
Facet Wealth, Inc.3,215$3.01M0.04%+612+23.5%Added
Parkside Financial Bank & Trust3,215$3.01M0.21%+41+1.3%Added
TIAA Wealth Investment Management LLC3,215$3.01M0.02%+251+8.5%Added
Shelter Rock Management, LLC3,218$3.01M2.92%+21+0.7%Added
Advisor OS, LLC3,225$3.02M0.20%−101−3.0%Reduced
Carl P. Sherr & Co., LLC3,230$3.02M1.27%00.0%Unchanged
Commonwealth Financial Services, LLC5,264$3.03M0.41%+2,210+72.4%Added
Proficio Capital Partners LLC3,239$3.03M0.11%+2,037+169.5%Added
Signature Estate & Investment Advisors LLC3,243$3.03M0.05%−334−9.3%Reduced
Manchester Capital Management LLC3,247$3.04M0.40%−10.0%Reduced
Sculati Wealth Management, LLC3,229$3.04M1.01%−10−0.3%Reduced
Armstrong, Fleming & Moore, Inc3,248$3.04M1.01%+120+3.8%Added
Elmwood Wealth Management, Inc.3,256$3.05M0.76%−45−1.4%Reduced
Strategic Investment Solutions, Inc.3,258$3.05M0.70%+5+0.2%Added
Strategy Asset Managers LLC3,262$3.05M0.46%−49−1.5%Reduced
Peloton Wealth Strategists3,265$3.05M1.13%+10.0%Added
New Republic Capital, LLC3,273$3.06M0.71%+2,471+308.1%Added
Beaumont Financial Advisors, LLC3,279$3.07M0.20%−7−0.2%Reduced
Independence Bank of Kentucky3,284$3.07M0.35%−52−1.6%Reduced
Sax Wealth Advisors, LLC3,083$3.07M0.12%+1,371+80.1%Added
Aft, Forsyth & Company, Inc.3,288$3.08M1.48%−215−6.1%Reduced