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
- 4,274
- +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
- 1,797 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.
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Costco Wholesale Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CAPROCK Group, Inc. | 16,020 | $16.0M | 0.39% | −192−1.2% | Reduced |
| Fishman Jay A Ltd | 16,002 | $15.9M | 1.42% | −731−4.4% | Reduced |
| Stephens Inc | 15,771 | $15.9M | 0.20% | −162−1.0% | Reduced |
| Resources Investment Advisors, LLC. | 15,945 | $15.9M | 0.16% | −2,367−12.9% | Reduced |
| Caldwell Trust Co | 15,918 | $15.9M | 1.42% | +381+2.5% | Added |
| China Universal Asset Management Co., Ltd. | 15,916 | $15.9M | 1.20% | +997+6.7% | Added |
| Purus Wealth Management, LLC | 15,909 | $15.9M | 5.05% | −240−1.5% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 15,893 | $15.8M | 2.87% | −22−0.1% | Reduced |
| Oppenheimer Asset Management Inc. | 15,855 | $15.8M | 0.18% | +719+4.8% | Added |
| CSM Advisors, LLC | 15,816 | $15.8M | 0.39% | +11,660+280.6% | Added |
| Massmutual Trust Co FSB | 15,819 | $15.8M | 0.43% | +772+5.1% | Added |
| Brookstone Capital Management | 15,758 | $15.7M | 0.18% | −1,727−9.9% | Reduced |
| Biondo Investment Advisors, LLC | 15,752 | $15.7M | 2.01% | +115+0.7% | Added |
| Marietta Wealth Management, LLC | 15,710 | $15.7M | 1.86% | +183+1.2% | Added |
| Ascent Group, LLC | 15,624 | $15.6M | 0.54% | +915+6.2% | Added |
| Motco | 15,615 | $15.6M | 1.44% | +121+0.8% | Added |
| Mount Yale Investment Advisors, LLC | 15,598 | $15.5M | 0.37% | +9,562+158.4% | Added |
| Turtle Creek Wealth Advisors, LLC | 15,538 | $15.5M | 1.17% | +3,116+25.1% | Added |
| JTC Employer Solutions Trusteee Ltd | 15,477 | $15.4M | 1.29% | 00.0% | Unchanged |
| Northstar Asset Management Inc | 15,472 | $15.4M | 4.73% | −2,493−13.9% | Reduced |
| Steel Peak Wealth Management LLC | 15,440 | $15.4M | 0.48% | +1,554+11.2% | Added |
| Aquatic Capital Management LLC | 15,393 | $15.3M | 0.44% | −12,245−44.3% | Reduced |
| Savant Capital, LLC | 15,393 | $15.3M | 0.07% | +3,318+27.5% | Added |
| We Are One Seven, LLC | 15,348 | $15.3M | 0.31% | −2,882−15.8% | Reduced |
| SageGuard Financial Group, LLC | 15,346 | $15.3M | 2.37% | −213−1.4% | Reduced |
| Moran Wealth Management, LLC | 15,298 | $15.2M | 0.47% | +2,674+21.2% | Added |
| Diversified Trust Co | 15,255 | $15.2M | 0.28% | +72+0.5% | Added |
| Fayez Sarofim & Co | 15,148 | $15.1M | 0.04% | +591+4.1% | Added |
| Elk River Wealth Management, LLC | 15,133 | $15.1M | 2.50% | −111−0.7% | Reduced |
| F/M Investments LLC | 15,084 | $15.0M | 1.00% | −6,731−30.9% | Reduced |
| Montag A & Associates Inc | 15,029 | $15.0M | 0.70% | +640+4.4% | Added |
| McKinley Carter Wealth Services, Inc. | 15,006 | $15.0M | 0.86% | −1,653−9.9% | Reduced |
| Teamwork Financial Advisors, LLC | 14,981 | $14.9M | 1.66% | −2,285−13.2% | Reduced |
| FourThought Financial Partners, LLC | 14,900 | $14.8M | 1.28% | +1,053+7.6% | Added |
| Empirical Finance, LLC | 14,854 | $14.8M | 0.70% | −23−0.2% | Reduced |
| Sigma Planning Corp | 14,838 | $14.8M | 0.41% | −1,069−6.7% | Reduced |
| Qsemble Capital Management, LP | 14,819 | $14.8M | 1.13% | +4,701+46.5% | Added |
| NWK Group, Inc. | 14,797 | $14.7M | 5.66% | −124−0.8% | Reduced |
| Community Financial Services Group, LLC | 14,786 | $14.7M | 2.59% | +1,026+7.5% | Added |
| Larson Financial Group LLC | 14,766 | $14.7M | 0.47% | +1,568+11.9% | Added |
| Telos Capital Management, Inc. | 14,756 | $14.7M | 1.41% | +1,418+10.6% | Added |
| Nemes Rush Group LLC | 14,711 | $14.7M | 1.40% | +2,322+18.7% | Added |
| Bleakley Financial Group, LLC | 14,687 | $14.6M | 0.23% | +1,561+11.9% | Added |
| GDS Wealth Management | 14,620 | $14.6M | 0.88% | +1,410+10.7% | Added |
| DF Dent & Co Inc | 14,536 | $14.5M | 0.28% | −1,440−9.0% | Reduced |
| Paragon Capital Management LLC | 14,522 | $14.5M | 7.16% | −573−3.8% | Reduced |
| Burns J W & Co Inc | 14,496 | $14.4M | 1.65% | +143+1.0% | Added |
| PFG Advisors | 14,481 | $14.4M | 0.70% | +417+3.0% | Added |
| Kozak & Associates, Inc. | 14,708 | $14.4M | 2.81% | −291−1.9% | Reduced |
| Chapman Investment Management, LLC | 14,478 | $14.4M | 11.90% | −50−0.3% | Reduced |
| Broadleaf Partners, LLC | 14,449 | $14.4M | 3.36% | +1,783+14.1% | Added |
| Dillon & Associates Inc | 14,429 | $14.4M | 1.98% | +771+5.6% | Added |
| Mattern Capital Management, LLC | 14,415 | $14.4M | 1.72% | −171−1.2% | Reduced |
| Jackson Wealth Management, LLC | 14,325 | $14.3M | 1.47% | −5,634−28.2% | Reduced |
| First Foundation Advisors | 14,318 | $14.3M | 0.57% | −107−0.7% | Reduced |
| Berger Financial Group, Inc | 14,308 | $14.3M | 0.80% | +17+0.1% | Added |
| First National Trust Co | 14,260 | $14.2M | 0.48% | −340−2.3% | Reduced |
| Verdence Capital Advisors LLC | 14,238 | $14.2M | 0.83% | +78+0.6% | Added |
| Buckley Wealth Management, LLC | 14,229 | $14.2M | 3.62% | +144+1.0% | Added |
| Vestcor Inc | 14,226 | $14.2M | 0.39% | −534−3.6% | Reduced |
| Stratos Wealth Advisors, LLC | 14,216 | $14.2M | 0.87% | +62+0.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 14,202 | $14.2M | 0.21% | +42+0.3% | Added |
| NBT Bank N A | 14,161 | $14.1M | 0.92% | −1,005−6.6% | Reduced |
| Wealthspire Advisors, LLC | 14,161 | $14.1M | 0.11% | −6,274−30.7% | Reduced |
| Vise Technologies, Inc. | 16,329 | $14.1M | 0.28% | 00.0% | Unchanged |
| Ipswich Investment Management Co., Inc. | 14,090 | $14.0M | 3.30% | −358−2.5% | Reduced |
| Peterson Wealth Services | 14,089 | $14.0M | 3.47% | +143+1.0% | Added |
| Hutner Capital Management Inc | 14,085 | $14.0M | 5.77% | −9−0.1% | Reduced |
| Covea Finance | 14,067 | $14.0M | 0.49% | −787−5.3% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 14,054 | $14.0M | 0.08% | −20,059−58.8% | Reduced |
| Raab & Moskowitz Asset Management LLC | 14,039 | $14.0M | 3.11% | −64−0.5% | Reduced |
| German American Bancorp, Inc. | 13,928 | $13.9M | 1.19% | +78+0.6% | Added |
| Baker Ellis Asset Management LLC | 13,871 | $13.8M | 1.64% | +90+0.7% | Added |
| Richard C. Young & CO., LTD. | 13,867 | $13.8M | 1.14% | +129+0.9% | Added |
| Patriot Financial Group Insurance Agency, LLC | 13,858 | $13.8M | 0.78% | +8,032+137.9% | Added |
| WealthPlan Investment Management, LLC | 13,835 | $13.8M | 0.77% | −639−4.4% | Reduced |
| United Capital Management of KS, Inc. | 13,737 | $13.7M | 2.08% | +490+3.7% | Added |
| Oak Harvest Investment Services | 13,710 | $13.7M | 1.43% | +778+6.0% | Added |
| Adams Diversified Equity Fund, Inc. | 13,700 | $13.7M | 0.48% | 00.0% | Unchanged |
| Regency Capital Management Inc. | 13,699 | $13.7M | 6.11% | −489−3.4% | Reduced |
| VestGen Advisors, LLC | 13,342 | $13.6M | 0.38% | +885+7.1% | Added |
| Brasada Capital Management, LP | 13,234 | $13.5M | 2.48% | −4,998−27.4% | Reduced |
| Signaturefd, LLC | 13,527 | $13.5M | 0.21% | +989+7.9% | Added |
| Perennial Advisors, LLC | 13,502 | $13.5M | 2.29% | +123+0.9% | Added |
| Tompkins Financial Corp | 13,492 | $13.4M | 1.07% | −181−1.3% | Reduced |
| Foundations Investment Advisors, LLC | 13,480 | $13.4M | 0.17% | −110−0.8% | Reduced |
| W.G. Shaheen & Associates DBA Whitney & Co | 13,461 | $13.4M | 1.12% | +1,452+12.1% | Added |
| Glenview Trust Co | 13,450 | $13.4M | 0.21% | +190+1.4% | Added |
| OpenArc Corporate Advisory, LLC | 13,445 | $13.4M | 0.19% | +1,318+10.9% | Added |
| King Wealth | 13,444 | $13.4M | 1.68% | +136+1.0% | Added |
| RKL Wealth Management LLC | 13,430 | $13.4M | 1.20% | −234−1.7% | Reduced |
| Resources Management Corp | 13,424 | $13.4M | 1.78% | −59−0.4% | Reduced |
| Vision Capital Management, Inc. | 13,318 | $13.3M | 1.68% | −19−0.1% | Reduced |
| Cypress Asset Management Inc | 13,296 | $13.2M | 3.07% | −159−1.2% | Reduced |
| Central Bank & Trust Co | 13,288 | $13.2M | 2.08% | −105−0.8% | Reduced |
| Mission Wealth Management, LP | 13,174 | $13.1M | 0.27% | −60−0.5% | Reduced |
| B.O.S.S. Retirement Advisors, LLC | 13,105 | $13.1M | 3.98% | +7,332+127.0% | Added |
| Whalerock Point Partners, LLC | 13,101 | $13.1M | 2.52% | −20−0.2% | Reduced |
| Great Valley Advisor Group, Inc. | 13,086 | $13.0M | 0.24% | +66+0.5% | Added |
| Level Four Advisory Services, LLC | 13,055 | $13.0M | 0.43% | +6,983+115.0% | Added |