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 |
|---|---|---|---|---|---|
| First Business Financial Services, Inc. | 4,649 | $4.63M | 0.41% | +441+10.5% | Added |
| Blodgett Wealth Advisors, LLC | 4,635 | $4.62M | 3.66% | −269−5.5% | Reduced |
| Gardner Russo & Quinn LLCSuperinvestorGardner Russo & Quinn | 4,624 | $4.61M | 0.05% | 00.0% | Unchanged |
| Alan B. Lancz & Associates, Inc. | 4,606 | $4.59M | 4.45% | −317−6.4% | Reduced |
| Blume Capital Management, Inc. | 4,585 | $4.57M | 0.78% | −599−11.6% | Reduced |
| Sumitomo Life Insurance Co | 4,584 | $4.57M | 0.11% | +116+2.6% | Added |
| Huntleigh Advisors, Inc. | 4,578 | $4.56M | 0.78% | +357+8.5% | Added |
| Davidson Trust Co | 4,575 | $4.56M | 1.97% | −35−0.8% | Reduced |
| Cove Private Wealth, LLC | 4,569 | $4.55M | 1.03% | +1,130+32.9% | Added |
| Parcion Private Wealth LLC | 4,566 | $4.55M | 0.28% | −592−11.5% | Reduced |
| SageView Advisory Group, LLC | 4,564 | $4.55M | 0.17% | −43−0.9% | Reduced |
| MWA Asset Management | 4,559 | $4.55M | 2.49% | +304+7.1% | Added |
| MV Capital Management, Inc. | 4,560 | $4.54M | 0.45% | +59+1.3% | Added |
| SFMG, LLC | 4,558 | $4.54M | 0.31% | +1,133+33.1% | Added |
| Wellspring Financial Advisors, LLC | 4,553 | $4.54M | 0.34% | −62−1.3% | Reduced |
| TFR Capital, LLC. | 4,550 | $4.53M | 1.39% | −1,788−28.2% | Reduced |
| HBK Investments L P | 4,530 | $4.51M | 0.06% | +4,530 | New |
| one8zero8, LLC | 4,525 | $4.51M | 1.00% | −25−0.5% | Reduced |
| Northwest & Ethical Investments L.P. | 4,511 | $4.50M | 0.10% | +328+7.8% | Added |
| Freedom Day Solutions, LLC | 4,513 | $4.50M | 1.21% | −94−2.0% | Reduced |
| First Pacific Financial | 4,505 | $4.49M | 0.58% | −13−0.3% | Reduced |
| Martin Capital Advisors, LLP | 4,505 | $4.49M | 2.83% | −55−1.2% | Reduced |
| Columbia Asset Management | 4,503 | $4.49M | 0.85% | +32+0.7% | Added |
| Oversea-Chinese Banking CORP Ltd | 4,502 | $4.49M | 0.13% | +1,983+78.7% | Added |
| Field & Main Bank | 4,500 | $4.48M | 1.30% | −49−1.1% | Reduced |
| RDA Financial Network | 4,487 | $4.47M | 1.12% | −19−0.4% | Reduced |
| Apella Capital, LLC | 4,472 | $4.47M | 0.07% | +1,254+39.0% | Added |
| Premier Path Wealth Partners, LLC | 4,481 | $4.47M | 0.58% | +879+24.4% | Added |
| Asset Dedication, LLC | 4,481 | $4.46M | 0.31% | −841−15.8% | Reduced |
| Gs Investments, Inc. | 4,457 | $4.44M | 2.54% | −11−0.2% | Reduced |
| Lebenthal Global Advisors, LLC | 4,444 | $4.43M | 0.64% | +755+20.5% | Added |
| Sheets Smith Wealth Management | 4,441 | $4.42M | 0.50% | +206+4.9% | Added |
| Skye Global Management LP | 4,400 | $4.38M | 0.09% | 00.0% | Unchanged |
| Red Cedar Investment Management, LLC | 4,399 | $4.38M | 0.45% | −32−0.7% | Reduced |
| Cypress Capital Management LLC (WY) | 4,398 | $4.38M | 4.05% | −129−2.8% | Reduced |
| Bank Ozk | 4,394 | $4.38M | 1.54% | +118+2.8% | Added |
| J. Derek Lewis & Associates Inc. | 4,386 | $4.37M | 0.98% | −165−3.6% | Reduced |
| Prosperitas Financial LLC | 4,383 | $4.37M | 1.63% | +171+4.1% | Added |
| Fairvoy Private Wealth, LLC | 4,382 | $4.37M | 1.04% | −102−2.3% | Reduced |
| Moss Adams Wealth Advisors LLC | 4,358 | $4.34M | 0.32% | +241+5.9% | Added |
| Harvest Investment Services, LLC | 4,355 | $4.34M | 0.79% | −923−17.5% | Reduced |
| BOK Financial Private Wealth, Inc. | 4,351 | $4.34M | 0.26% | −221−4.8% | Reduced |
| OneAscent Financial Services LLC | 4,349 | $4.33M | 0.23% | +764+21.3% | Added |
| Cooper Financial Group | 4,347 | $4.33M | 0.44% | +63+1.5% | Added |
| Argus Investors' Counsel, Inc. | 4,343 | $4.33M | 3.85% | −251−5.5% | Reduced |
| Kentucky Retirement Systems | 36,073 | $4.29M | 0.32% | +8,205+29.4% | Added |
| Moody National Bank Trust Division | 4,307 | $4.29M | 0.41% | +71+1.7% | Added |
| Knights of Columbus Asset Advisors LLC | 4,304 | $4.29M | 0.24% | +408+10.5% | Added |
| Citizens & Northern Corp | 4,302 | $4.29M | 1.07% | −71−1.6% | Reduced |
| AssuredPartners Investment Advisors, LLC | 4,195 | $4.27M | 0.46% | +3,765+875.6% | Added |
| Somerset Group LLC | 4,269 | $4.27M | 3.17% | +28+0.7% | Added |
| Norway Savings Bank | 4,280 | $4.26M | 2.02% | +100+2.4% | Added |
| Illumine Investment Management, LLC | 4,279 | $4.26M | 3.28% | −25−0.6% | Reduced |
| Aire Advisors, LLC | 4,276 | $4.26M | 0.78% | −343−7.4% | Reduced |
| Alerus Financial NA | 4,264 | $4.25M | 0.21% | +389+10.0% | Added |
| Accuvest Global Advisors | 4,260 | $4.25M | 3.96% | −814−16.0% | Reduced |
| W.H. Cornerstone Investments Inc. | 4,251 | $4.24M | 2.65% | +217+5.4% | Added |
| Hillsdale Investment Management Inc. | 4,248 | $4.23M | 0.12% | +730+20.8% | Added |
| West Branch Capital LLC | 4,246 | $4.23M | 1.13% | +320+8.2% | Added |
| Jericho Financial, LLP | 4,245 | $4.23M | 2.67% | −532−11.1% | Reduced |
| DeDora Capital, Inc. | 4,238 | $4.22M | 1.04% | −6−0.1% | Reduced |
| Cigna Investments Inc | 4,232 | $4.22M | 0.66% | −42−1.0% | Reduced |
| RWWM, Inc. | 4,227 | $4.21M | 0.31% | −75−1.7% | Reduced |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 4,226 | $4.21M | 0.51% | −56−1.3% | Reduced |
| Ignite Planners, LLC | 4,224 | $4.21M | 0.65% | −28−0.7% | Reduced |
| Douglas Lane & Associates, LLC | 4,211 | $4.20M | 0.06% | −24−0.6% | Reduced |
| Bedell Frazier Investment Counseling, LLC | 4,209 | $4.19M | 0.85% | +12+0.3% | Added |
| Hodges Capital Management Inc. | 4,204 | $4.19M | 0.35% | −1,253−23.0% | Reduced |
| Garde Capital, Inc. | 4,201 | $4.19M | 0.25% | +62+1.5% | Added |
| Ebert Capital Management Inc. | 4,199 | $4.18M | 4.27% | −10−0.2% | Reduced |
| Grimes & Company, Inc. | 4,192 | $4.18M | 0.12% | +240+6.1% | Added |
| JGP Wealth Management, LLC | 4,190 | $4.17M | 0.43% | −241−5.4% | Reduced |
| Coastal Bridge Advisors, LLC | 4,186 | $4.17M | 0.30% | −120−2.8% | Reduced |
| Meiji Yasuda Life Insurance Co | 4,180 | $4.17M | 0.14% | −688−14.1% | Reduced |
| Covenant Asset Management, LLC | 4,166 | $4.15M | 0.85% | −99−2.3% | Reduced |
| Capital Performance Advisors LLP | 4,161 | $4.15M | 0.28% | +30+0.7% | Added |
| Sustainable Insight Capital Management, LLC | 4,154 | $4.14M | 1.39% | +960+30.1% | Added |
| WSFS Capital Management, LLC | 4,152 | $4.14M | 0.20% | −230−5.2% | Reduced |
| Umpqua Bank | 4,149 | $4.13M | 1.18% | −46−1.1% | Reduced |
| Saturna Capital CORP | 4,146 | $4.13M | 0.06% | −100−2.4% | Reduced |
| Ambassador Advisors, LLC | 4,146 | $4.13M | 0.63% | +2,441+143.2% | Added |
| Hilltop Holdings Inc. | 4,134 | $4.12M | 0.37% | −2,944−41.6% | Reduced |
| GSB Wealth Management, LLC | 4,126 | $4.11M | 0.93% | +61+1.5% | Added |
| Old North State Trust, LLC | 4,118 | $4.10M | 2.44% | +111+2.8% | Added |
| ABLE Financial Group, LLC | 4,098 | $4.08M | 0.80% | −135−3.2% | Reduced |
| Arbor Trust Wealth Advisors, LLC | 4,090 | $4.08M | 1.79% | −427−9.5% | Reduced |
| Berbice Capital Management LLC | 4,085 | $4.07M | 2.66% | −400−8.9% | Reduced |
| Walkner Condon Financial Advisors LLC | 4,075 | $4.06M | 0.54% | +42+1.0% | Added |
| Carret Asset Management, LLC | 4,063 | $4.05M | 0.40% | 00.0% | Unchanged |
| Connors Investor Services Inc | 4,056 | $4.04M | 0.37% | −3,496−46.3% | Reduced |
| Cherry Creek Investment Advisors, Inc. | 4,055 | $4.04M | 1.76% | −240−5.6% | Reduced |
| Gibbs Wealth Management | 4,054 | $4.04M | 0.53% | +4,054 | New |
| Compton Wealth Advisory Group, LLC | 4,051 | $4.04M | 0.90% | +54+1.4% | Added |
| Deuterium Capital Management, LLC | 4,050 | $4.04M | 4.69% | 00.0% | Unchanged |
| M3 Wealth Management, LLC | 4,047 | $4.03M | 3.10% | −47−1.1% | Reduced |
| Finivi Inc. | 4,044 | $4.03M | 2.20% | +362+9.8% | Added |
| Equitable Trust Co | 4,043 | $4.03M | 0.19% | +18+0.4% | Added |
| Avidian Wealth Solutions, LLC | 4,032 | $4.02M | 0.13% | +1,814+81.8% | Added |
| Core Wealth Partners LLC | 4,027 | $4.01M | 1.87% | −12−0.3% | Reduced |
| Jacobi Capital Management LLC | 4,026 | $4.01M | 0.22% | +160+4.1% | Added |