Costco Wholesale Corp
COST- Exchange
- Nasdaq
- Industry
- Retail-Variety Stores
- SEC CIK
- 0000909832
No open-market purchases or sales by Costco Wholesale Corp insiders were filed in the last 90 days; 4,260 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
- 4,260
- +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
- 1,736 more reduced
61 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 | 4,260 | $301.8B |
| Q1 2026 | 4,275 | $311.5B |
| Q4 2025 | 4,139 | $272.0B |
| Q3 2025 | 3,942 | $274.4B |
| Q2 2025 | 4,012 | $302.3B |
| Q1 2025 | 3,953 | $287.8B |
| Q4 2024 | 3,942 | $279.6B |
| Q3 2024 | 3,591 | $266.7B |
| Q2 2024 | 3,527 | $258.3B |
| Q1 2024 | 3,420 | $222.0B |
| Q4 2023 | 3,344 | $201.0B |
| Q3 2023 | 3,078 | $169.9B |
| Q2 2023 | 3,042 | $162.0B |
| Q1 2023 | 2,944 | $149.2B |
| Q4 2022 | 2,939 | $137.2B |
| Q3 2022 | 2,826 | $141.6B |
| Q2 2022 | 2,785 | $143.4B |
| Q1 2022 | 2,863 | $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 |
|---|---|---|---|---|---|
| GWM Advisors LLC | 155,824 | $145.8M | 0.43% | +2,874+1.9% | Added |
| Daiwa Securities Group Inc. | 155,318 | $145.3M | 0.33% | +6,139+4.1% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 154,450 | $144.5M | 0.70% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 147,517 | $138.0M | 0.41% | −1,576−1.1% | Reduced |
| Pictet & Cie (Europe) SA | 146,254 | $136.8M | 2.67% | +29,000+24.7% | Added |
| Tredje AP-fonden | 145,249 | $135.9M | 0.61% | +14,054+10.7% | Added |
| Jacobs Levy Equity Management, Inc | 144,869 | $135.5M | 0.49% | +60,107+70.9% | Added |
| State of New Jersey Common Pension Fund D | 143,514 | $134.3M | 0.46% | −8,765−5.8% | Reduced |
| Holocene Advisors, LP | 142,637 | $133.4M | 0.31% | +142,637 | New |
| Guggenheim Capital LLC | 141,914 | $132.8M | 0.86% | +7,333+5.4% | Added |
| Bartlett & Co. Wealth Management LLC | 141,278 | $132.2M | 1.65% | +881+0.6% | Added |
| Swiss Life Asset Management Ltd | 141,125 | $132.0M | 0.55% | +9,850+7.5% | Added |
| MML Investors Services, LLC | 140,552 | $131.5M | 0.27% | +23,578+20.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 138,717 | $129.8M | 0.29% | −480.0% | Reduced |
| Steginsky Capital LLC | 135,271 | $126.5M | 18.99% | −160−0.1% | Reduced |
| KBC Group NV | 134,499 | $125.8M | 0.27% | −1,306−1.0% | Reduced |
| Local Pensions Partnership Investment Ltd | 133,912 | $125.3M | 2.63% | −14,588−9.8% | Reduced |
| Woodline Partners LP | 133,891 | $125.3M | 0.39% | +346+0.3% | Added |
| Menora Mivtachim Holdings Ltd. | 133,200 | $124.6M | 0.49% | +22,600+20.4% | Added |
| Massachusetts Financial Services Co | 129,208 | $124.4M | 0.04% | −8,894−6.4% | Reduced |
| Janney Montgomery Scott LLC | 132,882 | $124.3M | 0.24% | +2,444+1.9% | Added |
| Toroso Investments, LLC | 132,430 | $123.9M | 0.30% | −5,115−3.7% | Reduced |
| Ofi Invest Asset Management | 150,340 | $123.5M | 1.23% | +50,038+49.9% | Added |
| Wiley Bros.-Aintree Capital, LLC | 131,634 | $123.2M | 0.51% | +14,156+12.0% | Added |
| Mn Services Vermogensbeheer B.V. | 129,266 | $120.9M | 0.91% | −42,100−24.6% | Reduced |
| Epoch Investment Partners, Inc. | 127,033 | $118.8M | 0.68% | −4,485−3.4% | Reduced |
| Mediolanum International Funds Ltd | 124,870 | $118.2M | 1.01% | +57,733+86.0% | Added |
| Czech National Bank | 126,281 | $118.1M | 0.64% | +5,395+4.5% | Added |
| STRS Ohio | 125,688 | $117.6M | 0.44% | +3,757+3.1% | Added |
| Davenport & Co LLC | 125,086 | $117.3M | 0.60% | −1,544−1.2% | Reduced |
| Trexquant Investment LP | 124,712 | $116.7M | 0.72% | +124,712 | New |
| Lido Advisors, LLC | 123,939 | $115.9M | 0.41% | +3,639+3.0% | Added |
| Glenmede Trust Co NA | 123,494 | $115.5M | 0.51% | −1,596−1.3% | Reduced |
| Bradley Foster & Sargent Inc | 123,446 | $115.5M | 1.63% | −1,732−1.4% | Reduced |
| Arizona State Retirement System | 123,105 | $115.2M | 0.58% | +1,493+1.2% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 122,308 | $114.4M | 0.91% | +2,089+1.7% | Added |
| Atalanta Sosnoff Capital, LLC | 121,306 | $113.5M | 2.00% | +21,180+21.2% | Added |
| Nykredit A/S | 121,175 | $113.4M | 0.43% | +121,175 | New |
| Lazard Freres Gestion S.A.S. | 120,877 | $113.1M | 1.96% | +140.0% | Added |
| Ci Investments Inc. | 120,466 | $112.7M | 0.36% | +21,219+21.4% | Added |
| ABN AMRO Bank N.V. | 118,493 | $110.9M | 1.43% | +10,493+9.7% | Added |
| Federation des caisses Desjardins du Quebec | 117,930 | $110.3M | 0.34% | −806−0.7% | Reduced |
| Commerce Bank | 117,857 | $110.3M | 0.48% | +880+0.8% | Added |
| State of Michigan Retirement System | 117,369 | $109.8M | 0.49% | −2,300−1.9% | Reduced |
| Agf Management Ltd | 117,093 | $109.5M | 0.43% | +39,218+50.4% | Added |
| Wedbush Securities Inc | 115,825 | $108.4M | 2.80% | −564−0.5% | Reduced |
| Squarepoint Ops LLC | 115,741 | $108.3M | 0.21% | −112,786−49.4% | Reduced |
| Panagora Asset Management Inc | 115,232 | $107.8M | 0.33% | −99,760−46.4% | Reduced |
| Van Eck Associates Corp | 114,119 | $106.8M | 0.07% | −14,416−11.2% | Reduced |
| MAI Capital Management | 114,078 | $106.7M | 0.41% | +7,500+7.0% | Added |
| Nisa Investment Advisors, LLC | 113,717 | $106.4M | 0.33% | +635+0.6% | Added |
| Harvest Portfolios Group Inc. | 113,356 | $106.0M | 1.50% | +19,152+20.3% | Added |
| Kestra Advisory Services, LLC | 112,311 | $105.1M | 0.34% | −843−0.7% | Reduced |
| KCM Investment Advisors LLC | 111,264 | $104.1M | 3.09% | −1,121−1.0% | Reduced |
| Boston Trust Walden Corp | 110,811 | $103.7M | 0.79% | −1,998−1.8% | Reduced |
| Davis R M Inc | 110,779 | $103.6M | 1.63% | +1,546+1.4% | Added |
| Sanctuary Advisors, LLC | 110,014 | $102.9M | 0.48% | +7,266+7.1% | Added |
| MetLife Investment Management | 109,127 | $102.1M | 0.46% | −14,627−11.8% | Reduced |
| Macquarie Group Ltd | 108,997 | $101.9M | 0.44% | +41,032+60.4% | Added |
| Rakuten Investment Management, Inc. | 106,891 | $101.2M | 0.29% | +14,792+16.1% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 107,942 | $101.0M | 0.45% | +40,845+60.9% | Added |
| Omers Administration Corp | 105,984 | $99.1M | 0.59% | +70,021+194.7% | Added |
| Xponance, Inc. | 105,848 | $99.0M | 0.61% | −25,048−19.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 105,746 | $98.9M | 0.46% | −17,416−14.1% | Reduced |
| AMF Pensionsforsakring AB | 104,753 | $98.0M | 0.58% | 00.0% | Unchanged |
| Bristol John W & Co Inc | 104,081 | $97.4M | 1.44% | −1,449−1.4% | Reduced |
| Bowen Hanes & Co Inc | 95,494 | $95.2M | 2.32% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 100,933 | $94.4M | 0.75% | −15,828−13.6% | Reduced |
| Empowered Funds, LLC | 100,519 | $94.0M | 0.50% | +32,728+48.3% | Added |
| Evercore Wealth Management, LLC | 99,506 | $93.1M | 1.32% | −613−0.6% | Reduced |
| DnB Asset Management AS | 98,725 | $92.4M | 0.26% | −8,945−8.3% | Reduced |
| Ieq Capital, LLC | 98,607 | $92.2M | 0.43% | −20,561−17.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 97,991 | $91.7M | 0.45% | −5,405−5.2% | Reduced |
| IFM Investors Pty Ltd | 97,758 | $91.4M | 0.61% | +11,787+13.7% | Added |
| Mogy Joel R Investment Counsel Inc | 97,596 | $91.3M | 5.23% | −233−0.2% | Reduced |
| Kornitzer Capital Management Inc | 96,165 | $90.0M | 1.88% | −479−0.5% | Reduced |
| Eurizon Capital SGR S.p.A. | 95,496 | $89.6M | 0.24% | −45,854−32.4% | Reduced |
| Clifford Swan Investment Counsel LLC | 95,154 | $89.0M | 2.87% | −2,642−2.7% | Reduced |
| Sequoia Financial Advisors, LLC | 94,833 | $88.7M | 0.44% | −2,442−2.5% | Reduced |
| Pathstone Holdings, LLC | 94,580 | $88.6M | 0.26% | +401+0.4% | Added |
| Nomura Holdings Inc | 94,652 | $88.5M | 0.37% | +48,637+105.7% | Added |
| I.G.Y. Ltd | 94,326 | $88.2M | 35.99% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 94,256 | $88.2M | 0.22% | −121−0.1% | Reduced |
| Oppenheimer & Co Inc | 93,879 | $87.8M | 0.94% | +181+0.2% | Added |
| Johnson Investment Counsel Inc | 93,865 | $87.8M | 0.64% | +9,420+11.2% | Added |
| Marsico Capital Management LLC | 93,698 | $87.7M | 2.29% | −29,152−23.7% | Reduced |
| Vinva Investment Management Ltd | 91,996 | $87.1M | 0.59% | +39,607+75.6% | Added |
| IMC-Chicago, LLC | 92,816 | $86.8M | 0.80% | +49,211+112.9% | Added |
| Credit Agricole S A | 92,692 | $86.7M | 0.22% | +49,009+112.2% | Added |
| QRG Capital Management, Inc. | 91,229 | $85.3M | 0.70% | +8,810+10.7% | Added |
| Steward Partners Investment Advisory, LLC | 91,045 | $85.2M | 0.43% | −70,095−43.5% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 90,596 | $84.8M | 1.48% | +2,160+2.4% | Added |
| Northeast Investment Management | 90,548 | $84.7M | 3.12% | −631−0.7% | Reduced |
| GF Fund Management Co. Ltd. | 89,596 | $83.8M | 1.01% | −1,761−1.9% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 88,952 | $83.2M | 0.69% | +5,793+7.0% | Added |
| Regions Financial Corp | 88,795 | $83.1M | 0.50% | −398−0.4% | Reduced |
| ASR Vermogensbeheer N.V. | 88,729 | $83.0M | 0.86% | −15,679−15.0% | Reduced |
| Warren Averett Asset Management, LLC | 87,623 | $82.0M | 0.48% | +38,723+79.2% | Added |
| Fayez Sarofim & Co | 87,410 | $81.8M | 0.19% | +72,262+477.0% | Added |
| Cullen/Frost Bankers, Inc. | 87,315 | $81.7M | 0.81% | −1,133−1.3% | Reduced |