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
- 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 4,261 | $301.8B |
| Q1 2026 | 4,274 | $311.5B |
| Q4 2025 | 4,138 | $272.0B |
| Q3 2025 | 3,941 | $274.4B |
| Q2 2025 | 4,011 | $302.3B |
| Q1 2025 | 3,952 | $287.8B |
| Q4 2024 | 3,941 | $279.6B |
| Q3 2024 | 3,590 | $266.7B |
| Q2 2024 | 3,526 | $258.3B |
| Q1 2024 | 3,419 | $222.0B |
| Q4 2023 | 3,343 | $201.0B |
| Q3 2023 | 3,077 | $169.9B |
| Q2 2023 | 3,041 | $162.0B |
| Q1 2023 | 2,943 | $149.2B |
| Q4 2022 | 2,938 | $137.2B |
| Q3 2022 | 2,825 | $141.6B |
| Q2 2022 | 2,784 | $143.4B |
| Q1 2022 | 2,862 | $172.4B |
| Q4 2021 | 2,823 | $170.2B |
| Q3 2021 | 2,463 | $134.3B |
| Q2 2021 | 2,394 | $119.0B |
| Q1 2021 | 2,359 | $104.1B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Costco Wholesale Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 1,390 | $1.30M | 0.43% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 1,390 | $1.30M | 0.25% | +10+0.7% | Added |
| Gratus Wealth Advisors, LLC | 1,390 | $1.30M | 0.17% | +6+0.4% | Added |
| Plante Moran Financial Advisors, LLC | 1,392 | $1.30M | 0.06% | −199−12.5% | Reduced |
| Rainier Family Wealth Inc | 1,393 | $1.30M | 0.74% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 1,393 | $1.30M | 0.12% | +131+10.4% | Added |
| Schulhoff & Co Inc | 1,394 | $1.30M | 0.52% | +1+0.1% | Added |
| Allied Investment Advisors, LLC | 1,398 | $1.31M | 0.16% | 00.0% | Unchanged |
| Mathes Company, Inc. | 1,399 | $1.31M | 0.41% | −5−0.4% | Reduced |
| Hikari Tsushin, Inc. | 1,400 | $1.31M | 0.09% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 1,404 | $1.31M | 0.60% | −9−0.6% | Reduced |
| Suncoast Equity Management | 1,409 | $1.32M | 0.17% | +1,409 | New |
| Tandem Wealth Advisors LLC | 1,410 | $1.32M | 0.52% | +80+6.0% | Added |
| Northern Oak Wealth Management Inc | 1,411 | $1.32M | 0.15% | +51+3.8% | Added |
| Spectrum Asset Management, Inc. (NB/CA) | 1,413 | $1.32M | 0.37% | +1+0.1% | Added |
| Deroy & Devereaux Private Investment Counsel Inc | 1,415 | $1.32M | 0.06% | −8−0.6% | Reduced |
| Steigerwald, Gordon & Koch Inc. | 1,417 | $1.33M | 0.13% | −15−1.0% | Reduced |
| Action Point Financial Planning, LLC | 1,434 | $1.33M | 0.13% | +1,434 | New |
| Hofer & Associates. Inc | 1,419 | $1.33M | 0.64% | +31+2.2% | Added |
| Radnor Capital Management, LLC | 1,422 | $1.33M | 0.19% | 00.0% | Unchanged |
| Chapman Financial Group, LLC | 1,424 | $1.33M | 0.89% | 00.0% | Unchanged |
| Adirondack Trust Co | 1,431 | $1.34M | 0.40% | −20−1.4% | Reduced |
| Wealth Alliance | 1,434 | $1.34M | 0.11% | −9−0.6% | Reduced |
| Kennebec Savings Bank | 1,435 | $1.34M | 1.08% | +5+0.3% | Added |
| Willow Creek Capital Management, Inc. | 1,437 | $1.34M | 1.31% | +1,437 | New |
| Richard W. Paul & Associates, LLC | 1,440 | $1.35M | 0.41% | −198−12.1% | Reduced |
| Whelan Financial | 1,442 | $1.35M | 0.37% | +11+0.8% | Added |
| Formidable Asset Management, LLC | 1,355 | $1.35M | 0.22% | −7−0.5% | Reduced |
| Bluedoor Private Wealth, LLC | 1,444 | $1.35M | 0.57% | −34−2.3% | Reduced |
| Tortoise Investment Management, LLC | 1,444 | $1.35M | 0.10% | +14+1.0% | Added |
| Burton Enright Welch | 1,444 | $1.35M | 0.16% | −100−6.5% | Reduced |
| Hoxton Planning & Management, LLC | 1,451 | $1.36M | 0.35% | −30−2.0% | Reduced |
| Baring Financial LLC | 1,453 | $1.36M | 0.75% | −30−2.0% | Reduced |
| Tradewinds, LLC. | 3,121 | $1.36M | 0.43% | +2,186+233.8% | Added |
| Pachira Investments Inc. | 1,456 | $1.36M | 0.51% | +96+7.1% | Added |
| Financial Plan, Inc. | 1,457 | $1.36M | 0.13% | +76+5.5% | Added |
| Resurgent Financial Advisors LLC | 1,457 | $1.36M | 0.38% | +78+5.7% | Added |
| Abbot Financial Management, Inc. | 1,461 | $1.37M | 0.50% | −5−0.3% | Reduced |
| Northern Financial Advisors Inc | 1,462 | $1.37M | 0.90% | −45−3.0% | Reduced |
| Weaver Consulting Group | 1,462 | $1.37M | 0.28% | +2+0.1% | Added |
| Werba Rubin Papier Wealth Management | 1,463 | $1.37M | 0.17% | −1,082−42.5% | Reduced |
| Concentrum Wealth Management | 1,465 | $1.37M | 0.33% | +26+1.8% | Added |
| Goldstein Advisors, LLC | 1,466 | $1.37M | 0.13% | +892+155.4% | Added |
| Pasadena Private Wealth, LLC | 1,470 | $1.38M | 0.18% | +12+0.8% | Added |
| Oslo Pensjonsforsikring AS | 1,471 | $1.38M | 0.16% | 00.0% | Unchanged |
| Headlands Technologies LLC | 1,473 | $1.38M | 0.15% | +1,473 | New |
| Riversedge Advisors, LLC | 1,474 | $1.38M | 0.18% | +116+8.5% | Added |
| Biltmore Family Office, LLC | 1,474 | $1.38M | 0.18% | +3+0.2% | Added |
| Summitry LLC | 1,475 | $1.38M | 0.05% | −113−7.1% | Reduced |
| Lodestone Wealth Management LLC | 1,477 | $1.38M | 0.49% | −4−0.3% | Reduced |
| First National Bank & Trust Co of Newtown | 1,456 | $1.39M | 0.28% | +23+1.6% | Added |
| Arwa LLC | 1,466 | $1.39M | 0.58% | −121−7.6% | Reduced |
| Midland Wealth Advisors LLC | 1,483 | $1.39M | 0.07% | −114−7.1% | Reduced |
| Ponta Wealth Partners, LLC | 1,487 | $1.39M | 0.74% | +136+10.1% | Added |
| BXM Wealth LLC | 1,489 | $1.39M | 0.76% | 00.0% | Unchanged |
| AAFMAA Wealth Management & Trust LLC | 1,492 | $1.40M | 0.49% | −205−12.1% | Reduced |
| RFP Financial Group LLC | 1,493 | $1.40M | 0.63% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 1,493 | $1.40M | 0.50% | +9+0.6% | Added |
| Aureus Asset Management, LLC | 1,496 | $1.40M | 0.09% | +60+4.2% | Added |
| BankChampaign, National Association | 1,496 | $1.40M | 1.07% | +75+5.3% | Added |
| Chancellor Financial Group WB LP | 1,498 | $1.40M | 0.87% | 00.0% | Unchanged |
| Helios Capital Management Pte. Ltd | 1,500 | $1.40M | 1.37% | +1,500 | New |
| Fortem Financial Group, LLC | 1,502 | $1.41M | 0.29% | +50+3.4% | Added |
| Interchange Capital Partners, LLC | 1,502 | $1.41M | 0.26% | +419+38.7% | Added |
| Corundum Group, Inc. | 1,507 | $1.41M | 0.42% | +28+1.9% | Added |
| Advisory Solutions Group, LLC | 1,508 | $1.41M | 0.48% | +1,508 | New |
| R Squared Ltd | 1,510 | $1.41M | 0.74% | +1,510 | New |
| Sloy Dahl & Holst, LLC | 1,512 | $1.41M | 0.17% | +38+2.6% | Added |
| Columbia Advisory Partners LLC | 1,513 | $1.42M | 0.78% | −5−0.3% | Reduced |
| Shepherd Street Advisors LLC | 1,544 | $1.42M | 1.24% | −68−4.2% | Reduced |
| Sunbeam Capital Management, LLC | 1,518 | $1.42M | 0.65% | +208+15.9% | Added |
| HBW Advisory Services LLC | 1,519 | $1.42M | 0.13% | +66+4.5% | Added |
| Southern Michigan Bank & Trust | 1,521 | $1.42M | 0.51% | −78−4.9% | Reduced |
| Basecamp Wealth Advisors LLC | 1,521 | $1.42M | 0.26% | −14−0.9% | Reduced |
| Safeguard Investment Advisory Group, LLC | 1,521 | $1.42M | 0.33% | −213−12.3% | Reduced |
| Dover Advisors, LLC | 1,650 | $1.42M | 0.58% | +17+1.0% | Added |
| Bullock Wealth Management Group | 1,541 | $1.42M | 0.62% | −289−15.8% | Reduced |
| Aquatic Capital Management LLC | 1,524 | $1.43M | 0.05% | −13,869−90.1% | Reduced |
| Orleans Capital Management Corp | 1,524 | $1.43M | 0.74% | 00.0% | Unchanged |
| Navigation Group, LLC | 1,525 | $1.43M | 0.28% | +24+1.6% | Added |
| Cornerstone Capital, Inc. | 1,525 | $1.43M | 0.13% | −27−1.7% | Reduced |
| Hemenway Trust Co LLC | 1,526 | $1.43M | 0.10% | 00.0% | Unchanged |
| LexAurum Advisors, LLC | 1,527 | $1.43M | 0.17% | +29+1.9% | Added |
| Bull Harbor Capital LLC | 1,528 | $1.43M | 0.28% | +193+14.5% | Added |
| Howard Wealth Management, LLC | 1,532 | $1.43M | 0.53% | −6−0.4% | Reduced |
| Ledyard National Bank | 1,534 | $1.44M | 0.12% | −56−3.5% | Reduced |
| Parkwoods Wealth Partners, LLC | 1,534 | $1.44M | 0.23% | +1,180+333.3% | Added |
| River Street Advisors LLC | 1,534 | $1.44M | 0.42% | +58+3.9% | Added |
| Davis Capital Management | 1,535 | $1.44M | 0.85% | +77+5.3% | Added |
| Wall Street Access Asset Management, LLC | 1,540 | $1.44M | 0.20% | +954+162.8% | Added |
| Citizens National Bank Trust Department | 1,542 | $1.44M | 0.21% | −15−1.0% | Reduced |
| D'Orazio & Associates, Inc. | 1,545 | $1.44M | 0.17% | −16−1.0% | Reduced |
| American State Bank (Iowa) | 1,550 | $1.45M | 0.59% | +125+8.8% | Added |
| Capital Advisors, Ltd. LLC | 1,550 | $1.45M | 0.15% | −59−3.7% | Reduced |
| Storgate, LLC | 1,555 | $1.45M | 0.30% | +1,555 | New |
| Rhodes Investment Advisors Inc | 1,561 | $1.46M | 1.07% | +1,169+298.2% | Added |
| Advocacy Wealth Management Services, LLC | 1,562 | $1.46M | 0.05% | +79+5.3% | Added |
| LVZ Advisors, Inc. | 1,565 | $1.46M | 0.15% | +48+3.2% | Added |
| Taylor Frigon Capital Management LLC | 1,566 | $1.46M | 0.69% | −403−20.5% | Reduced |
| Argent Advisors, Inc. | 1,568 | $1.47M | 0.37% | −4−0.3% | Reduced |