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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: 10 institutions have reported holding COST so far. See Q3 2026

Institutional holders
4,261
+46 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
203
1,734 more added
Sold out
157
1,737 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
First Command Advisory Services, Inc.1,250$1.17M0.01%−231−15.6%Reduced
Wellington Shields & Co., LLC1,250$1.17M0.26%+200+19.0%Added
PeakShares LLC1,252$1.17M0.87%+90+7.7%Added
Elwood & Goetz Wealth Advisory Group, LLC1,253$1.17M0.17%+6+0.5%Added
AMG Asset Management Group, Inc.1,253$1.17M0.73%+38+3.1%Added
Winthrop Capital Management, LLC1,254$1.17M0.28%+2+0.2%Added
West Bancorporation Inc1,255$1.17M0.50%−55−4.2%Reduced
David R. Rahn & Associates Inc.1,257$1.18M0.28%00.0%Unchanged
Kensington Investment Counsel, LLC1,259$1.18M0.51%−10−0.8%Reduced
Davidson Investment Advisors1,260$1.18M0.05%+8+0.6%Added
Lawson Kroeker Investment Management Inc1,260$1.18M0.33%−21−1.6%Reduced
Granite Bay Wealth Management, LLC1,264$1.18M0.11%+800+172.4%Added
Gilliland Jeter Wealth Management LLC1,264$1.18M0.31%00.0%Unchanged
Watershed Private Wealth LLC1,265$1.18M0.33%+39+3.2%Added
Anchyra Partners LLC1,265$1.18M0.28%+100+8.6%Added
Bender Robert & Associates1,268$1.19M0.25%−16−1.2%Reduced
Crown Wealth Group, LLC1,268$1.19M0.30%−71−5.3%Reduced
Skyline Advisors, Inc.1,268$1.19M0.37%00.0%Unchanged
Advyzon Investment Management, LLC1,269$1.19M0.09%−1,361−51.7%Reduced
Sacks & Associates, LLC1,250$1.19M0.80%00.0%Unchanged
Revolve Wealth Partners, LLC1,272$1.19M0.12%+24+1.9%Added
Bingham Private Wealth, LLC1,272$1.19M0.82%+37+3.0%Added
Milestone Asset Management Group, LLC1,273$1.19M0.60%−8−0.6%Reduced
Prairie Wealth Advisors, Inc.0$1.19M0.28%0Unchanged
Two Sigma Securities, LLC1,277$1.19M0.10%+1,277New
Florida Financial Advisors, LLC1,277$1.20M0.20%−81−6.0%Reduced
Parthenon LLC1,278$1.20M0.12%−25−1.9%Reduced
Phoenix Wealth Advisors1,278$1.20M0.40%−25−1.9%Reduced
Wealth Architects, LLC1,279$1.20M0.09%−4−0.3%Reduced
Thompson Davis & Co., Inc.1,281$1.20M0.72%−23−1.8%Reduced
55 North Private Wealth, LLC1,282$1.20M0.24%−82−6.0%Reduced
V2 Financial group LLC1,284$1.20M0.45%+29+2.3%Added
Montgomery Investment Management Inc1,285$1.20M0.36%00.0%Unchanged
TrustBank1,289$1.21M0.41%−22−1.7%Reduced
Octavia Wealth Advisors, LLC1,290$1.21M0.10%−141−9.9%Reduced
TRB Wealth Management, LLC1,291$1.21M0.16%−507−28.2%Reduced
Westfuller Advisors, LLC1,292$1.21M0.44%+276+27.2%Added
Tradewinds Capital Management, LLC1,293$1.21M0.22%−115−8.2%Reduced
Waterway Wealth Management, LLC1,296$1.21M0.25%+19+1.5%Added
Hutchinson Capital Management1,297$1.21M0.21%+73+6.0%Added
Wilson & Boucher Capital Management, LLC1,298$1.21M0.71%−12−0.9%Reduced
Bank of Hawaii1,299$1.22M0.06%−4−0.3%Reduced
Waters Parkerson & Co., LLC1,299$1.22M0.06%−25−1.9%Reduced
Clarion Wealth Managment Partners, LLC1,302$1.22M0.98%−87−6.3%Reduced
Onyx Bridge Wealth Group LLC1,302$1.22M0.11%+25+2.0%Added
Abel Hall, LLC1,303$1.22M0.21%+28+2.2%Added
Bauman Advisory Group, LLC1,308$1.22M0.65%+19+1.5%Added
Maripau Wealth Management LLC1,308$1.22M0.44%+306+30.5%Added
Parkside Investments, LLC1,309$1.22M0.14%−15−1.1%Reduced
GeoWealth Management, LLC1,313$1.23M0.04%+32+2.5%Added
San Luis Wealth Advisors LLC1,317$1.23M0.19%−27−2.0%Reduced
Stablepoint Partners, LLC1,318$1.23M0.17%−6−0.5%Reduced
Unify Financial Advisors1,320$1.23M1.14%+33+2.6%Added
Blue Jean Financial LLC1,321$1.24M0.86%+26+2.0%Added
Saiph Capital, LLC1,323$1.24M0.37%+767+137.9%Added
Maxele Advisors, LLC1,328$1.24M0.87%+1,328New
Waldron Private Wealth LLC1,328$1.24M0.04%−21−1.6%Reduced
Lansing Street Advisors1,333$1.25M0.27%−16−1.2%Reduced
Sage Rhino Capital LLC1,333$1.25M0.20%−19−1.4%Reduced
Bernard Wealth Management Corp.1,335$1.25M0.46%−31−2.3%Reduced
Helen Stephens Group, LLC1,336$1.25M0.21%+14+1.1%Added
Laurel Wealth Advisors LLC1,337$1.25M0.12%+3+0.2%Added
BSW Wealth Partners1,340$1.25M0.14%+61+4.8%Added
Gemmer Asset Management LLC1,342$1.25M0.08%+64+5.0%Added
Winthrop Advisory Group LLC1,342$1.26M0.08%+84+6.7%Added
Carr Financial Group Corp1,343$1.26M0.29%+200+17.5%Added
Mission Financial Group, LLC1,344$1.26M1.04%+1,344New
Westside Investment Management, Inc.1,348$1.26M0.17%+30+2.3%Added
Up Strategic Wealth Investment Advisors LLC1,340$1.26M0.75%−17−1.3%Reduced
Summit Wealth Partners, LLC1,350$1.26M0.18%−58−4.1%Reduced
Jackson Wealth Management, LLC1,350$1.26M0.74%−12,975−90.6%Reduced
Elm Partners Management LLC1,351$1.26M0.05%+2+0.1%Added
Values Added Financial LLC1,352$1.26M0.46%+9+0.7%Added
Global Strategic Investment Solutions, LLC1,355$1.27M0.11%−1−0.1%Reduced
Mindset Wealth Management, LLC1,356$1.27M0.24%+444+48.7%Added
Gleason Group, Inc.1,356$1.27M0.11%+10+0.7%Added
Missouri Trust & Investment Co1,333$1.27M0.34%00.0%Unchanged
Heirloom Wealth Management1,358$1.27M0.18%−77−5.4%Reduced
Gerald Baker Financial Group LLC1,359$1.27M0.36%+2+0.1%Added
Carrera Capital Advisors1,362$1.27M0.19%+161+13.4%Added
KTF Investments, LLC1,364$1.28M0.13%−25−1.8%Reduced
Wiregrass Investment Management LLC1,364$1.28M0.87%+36+2.7%Added
Madson Wealth Advisors Inc1,369$1.28M0.87%+74+5.7%Added
Matisse Capital1,369$1.28M0.51%+96+7.5%Added
Diligent Investors, LLC1,372$1.28M0.29%+20+1.5%Added
Strategic Investment Advisors1,372$1.28M0.08%+7+0.5%Added
Income Insurance Ltd1,375$1.29M0.77%00.0%Unchanged
Wescott Financial Advisory Group, LLC1,375$1.29M0.10%−8−0.6%Reduced
Curbstone Financial Management Corp1,376$1.29M0.22%+434+46.1%Added
SHP Wealth Management1,377$1.29M0.09%+31+2.3%Added
Atwood & Palmer Inc1,380$1.29M0.07%−10−0.7%Reduced
Five Oceans Advisors1,382$1.29M0.42%−1−0.1%Reduced
Vision Financial Markets LLC1,383$1.29M1.12%00.0%Unchanged
Childress Capital Advisors, LLC1,382$1.29M0.21%+116+9.2%Added
Sander Capital Advisors Inc1,382$1.29M0.68%−95−6.4%Reduced
Greatmark Investment Partners, Inc.1,384$1.29M0.14%00.0%Unchanged
Foster Group, Inc.1,385$1.30M0.03%+11+0.8%Added
Sentry LLC1,388$1.30M0.36%00.0%Unchanged
Andrews Advisory Associates, LLC1,388$1.30M0.62%−83−5.6%Reduced
Blom & Howell Financial Planning, Inc.1,389$1.30M1.08%−11−0.8%Reduced