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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, Q1 2026

Institutional positions in Costco Wholesale Corp as of Mar 31, 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

Institutional holders
4,275
+198 vs. Q4 2025
Shares held
320.3M
+54.2M (+20.4%) vs. Q4 2025
Total value
$311.5B
+$83.3B (+36.5%) vs. Q4 2025
New holders
323
1,798 more added
Sold out
125
1,638 more reduced

62 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 4,275 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 heldQ1 2026: $311.5B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Costco Wholesale Corp; share changes are against Q4 2025.

Institutions holding COST in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
SWP Financial LLC287$285.5K0.15%+1+0.3%Added
Evolution Wealth Advisors, LLC287$286.0K0.03%00.0%Unchanged
SwitchPoint Financial Planning, LLC287$286.1K0.19%+6+2.1%Added
Winning Points Advisors, LLC288$287.3K0.29%00.0%Unchanged
IMG Wealth Management, Inc.289$288.0K0.18%−5−1.7%Reduced
Apeiron RIA LLC290$288.5K0.07%−186−39.1%Reduced
Finward Bancorp290$289.0K0.23%−600−67.4%Reduced
BAM Wealth Management, LLC290$289.0K0.22%−25−7.9%Reduced
Boston Research & Management Inc290$289.0K0.07%00.0%Unchanged
Atlas Wealth Partners, LLC290$289.0K0.30%00.0%Unchanged
Johnson & White Wealth Management, LLC290$289.0K0.12%+15+5.5%Added
Chiron Capital Management, LLC290$289.0K0.30%+290New
TSA Wealth Managment LLC290$289.0K0.09%+290New
MBE Wealth Management, LLC290$289.4K0.12%−15−4.9%Reduced
Mosley Wealth Management313$289.8K0.13%−50−13.8%Reduced
Koa Wealth Management, LLC291$290.0K0.21%−37−11.3%Reduced
Vestia Personal Wealth Advisors291$290.2K0.14%+57+24.4%Added
White Lighthouse Investment Management Inc.291$290.2K0.04%+2+0.7%Added
Royal Fund Management, LLC292$291.0K0.03%+1+0.3%Added
Acorn Financial Advisory Services Inc292$291.0K0.04%00.0%Unchanged
Price Financial Group Wealth Management, Inc292$291.4K4.81%00.0%Unchanged
Barnes Wealth Management Group, Inc293$292.0K0.15%−62−17.5%Reduced
St. Louis Trust Co293$292.0K0.03%00.0%Unchanged
Demars Financial Group, LLC293$292.0K0.10%+54+22.6%Added
Crew Capital Management, Ltd.293$292.2K0.19%+35+13.6%Added
1 North Wealth Services LLC294$292.9K0.11%−20−6.4%Reduced
StoryOne LLC0$292.9K0.17%0Unchanged
J.M. Arbour, LLC294$293.0K0.28%−3−1.0%Reduced
West Michigan Advisors, LLC295$293.9K0.06%−7−2.3%Reduced
Cedar Point Capital Partners, LLC295$293.9K0.19%+1+0.3%Added
BetterWealth, LLC295$293.9K0.06%+34+13.0%Added
Regimen Wealth, LLC296$294.5K0.09%+1+0.3%Added
Foronjy Financial LLC296$294.8K0.12%−3−1.0%Reduced
Martin Investment Management, LLC296$294.9K0.09%00.0%Unchanged
Mullooly Asset Management, Inc.296$295.0K0.11%00.0%Unchanged
USAdvisors Wealth Management, LLC297$295.0K0.10%−15−4.8%Reduced
PFS Partners, LLC296$295.4K0.14%+5+1.7%Added
Rodgers Brothers Inc.297$295.9K0.03%00.0%Unchanged
Blue Square Asset Management, LLC297$295.9K0.14%00.0%Unchanged
TruNorth Capital Management, LLC297$295.9K0.06%+32+12.1%Added
Arta Finance Wealth Management LLC297$295.9K0.15%+297New
Round Rock Advisors, LLC297$295.9K0.05%−41−12.1%Reduced
Wills Financial Group LLC287$296.3K0.11%+287New
My Purposeful Wealth Corp.297$296.3K0.07%+64+27.5%Added
Prospect Financial Services LLC298$296.9K0.18%−9−2.9%Reduced
Country Trust Bank298$296.9K0.01%−100−25.1%Reduced
marrick wealth, LLC298$296.9K0.25%−20−6.3%Reduced
Barings LLC298$296.9K0.00%+298New
Veridan Wealth LLC299$297.5K0.11%−374−55.6%Reduced
Silver Coast Investments LLC299$297.9K0.10%00.0%Unchanged
Conservest Capital Advisors, Inc.299$298.2K0.03%+1+0.3%Added
Parsonex Advisory Services, Inc.300$298.9K0.29%−1−0.3%Reduced
Banta Asset Management LP300$298.9K0.30%00.0%Unchanged
Reliant Investment Management, LLC300$298.9K0.14%00.0%Unchanged
Cooper/Haims Advisors, LLC301$299.9K0.14%−2−0.7%Reduced
Townsend & Associates, Inc299$300.1K0.03%−15−4.8%Reduced
Cherrydale Wealth Management, LLC301$300.3K0.09%+3+1.0%Added
Paladin Advisory Group, LLC302$300.9K0.23%00.0%Unchanged
Montz Harcus Wealth Management LLC303$301.8K0.12%00.0%Unchanged
DMKC Advisory Services, LLC303$301.9K0.13%00.0%Unchanged
Financial Avengers, Inc.304$302.7K0.14%−2−0.7%Reduced
Kerntke Otto McGlone Wealth Management Group304$302.9K0.21%00.0%Unchanged
Coston, McIsaac & Partners304$303.0K0.07%00.0%Unchanged
Members Wealth LLC302$303.0K0.18%+97+47.3%Added
Hutchens & Kramer Investment Management Group, LLC304$303.3K0.10%−197−39.3%Reduced
Alliance Wealth Advisors, LLC305$303.9K0.14%00.0%Unchanged
Hill Investment Group Partners, LLC305$303.9K0.03%00.0%Unchanged
Dorato Capital Management295$303.9K0.22%00.0%Unchanged
Financial Enhancement Group LLC304$304.4K0.04%+13+4.5%Added
hemming& Wealth Management, Inc.306$304.7K0.21%00.0%Unchanged
OV Management LLC306$304.9K0.62%−710−69.9%Reduced
Grant Street Asset Management, Inc.306$304.9K0.06%−33−9.7%Reduced
Hoey Investments, Inc306$304.9K0.04%−28−8.4%Reduced
Downshift Financial, LLC306$305.2K0.16%+306New
Peak Planning Group, LLC307$305.5K0.08%00.0%Unchanged
waypoint wealth counsel307$305.7K0.16%−1,163−79.1%Reduced
Indie Asset Partners, LLC307$305.9K0.35%−7−2.2%Reduced
Terril Brothers, Inc.307$305.9K0.08%+307New
Capstone Wealth Management, LLC309$307.6K0.21%+8+2.7%Added
Nordwand Advisors, LLC309$307.8K0.05%00.0%Unchanged
Ameraudi Asset Management, Inc.309$307.9K0.17%00.0%Unchanged
Commerce Advisors, LLC309$307.9K0.26%+309New
Brand Asset Management Group, Inc.309$307.9K0.08%+309New
Talisman Wealth Advisors LLC309$308.4K0.25%−24−7.2%Reduced
Stirlingshire Investments, Inc.310$308.7K0.27%+2+0.6%Added
LWM Advisory Services, LLC310$309.0K0.33%−175−36.1%Reduced
Sharp Financial Services, LLC310$309.2K0.15%00.0%Unchanged
Verus Financial Partners, Inc.315$311.0K0.03%00.0%Unchanged
Rare Wolf Capital LLC313$311.9K0.20%00.0%Unchanged
Kelman-Lazarov, Inc.313$311.9K0.04%+313New
4WEALTH Advisors, Inc.313$312.0K0.27%00.0%Unchanged
Lakeridge Wealth Management LLC313$312.4K0.13%+5+1.6%Added
Stegner Investment Associates Inc.314$312.5K0.17%+314New
Clarus Group, Inc.314$312.9K0.11%00.0%Unchanged
Connective Capital Management, LLC314$312.9K0.26%+314New
Presper Financial Architects, LLC314$312.9K0.19%+16+5.4%Added
Kelly Financial Services LLC314$313.0K0.08%+55+21.2%Added
Grange Capital, LLC315$313.9K0.31%−103−24.6%Reduced
Soundwatch Capital LLC315$313.9K0.04%−27−7.9%Reduced
HughesLittle Investment Management Ltd.315$313.9K0.06%00.0%Unchanged