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 | 4,275 | $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, 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 |
|---|---|---|---|---|---|
| EP Wealth Advisors, LLC | 148,308 | $147.8M | 0.73% | −1,476−1.0% | Reduced |
| Susquehanna International Group, LLP | 148,141 | $147.6M | 0.19% | −251,731−63.0% | Reduced |
| Balyasny Asset Management LLC | 145,123 | $144.6M | 0.28% | +100,146+222.7% | Added |
| Bartlett & Co. Wealth Management LLC | 140,397 | $142.4M | 1.82% | −613−0.4% | Reduced |
| Teacher Retirement System of Texas | 142,170 | $141.7M | 0.59% | +1,741+1.2% | Added |
| Massachusetts Financial Services Co | 138,102 | $141.2M | 0.05% | −3,961−2.8% | Reduced |
| Eurizon Capital SGR S.p.A. | 141,350 | $141.0M | 0.44% | +84,912+150.5% | Added |
| ING Groep NV | 139,152 | $138.7M | 0.85% | +86,434+164.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 138,765 | $138.3M | 0.36% | +1,826+1.3% | Added |
| Toroso Investments, LLC | 137,545 | $137.1M | 0.43% | −4,544−3.2% | Reduced |
| Millennium Management LLC | 136,538 | $136.1M | 0.10% | −155,358−53.2% | Reduced |
| KBC Group NV | 135,805 | $135.3M | 0.34% | −336−0.2% | Reduced |
| Steginsky Capital LLC | 135,431 | $134.9M | 22.30% | +3,236+2.4% | Added |
| Guggenheim Capital LLC | 134,581 | $134.1M | 1.07% | −19,657−12.7% | Reduced |
| Woodline Partners LP | 133,545 | $133.1M | 0.50% | +57,930+76.6% | Added |
| Nan Shan Life Insurance Co., Ltd. | 131,842 | $131.4M | 4.76% | +31,336+31.2% | Added |
| Epoch Investment Partners, Inc. | 131,518 | $131.0M | 0.79% | −21,895−14.3% | Reduced |
| Tredje AP-fonden | 131,195 | $130.7M | 0.71% | +80,775+160.2% | Added |
| Xponance, Inc. | 130,896 | $130.4M | 0.93% | +8,465+6.9% | Added |
| MUFG Securities EMEA plc | 130,549 | $130.1M | 1.94% | +90,511+226.1% | Added |
| Janney Montgomery Scott LLC | 130,438 | $130.0M | 0.32% | −2,987−2.2% | Reduced |
| Van Eck Associates Corp | 128,535 | $128.1M | 0.10% | +897+0.7% | Added |
| Davenport & Co LLC | 126,630 | $126.2M | 0.70% | −232−0.2% | Reduced |
| Bradley Foster & Sargent Inc | 125,178 | $124.7M | 1.94% | −1,660−1.3% | Reduced |
| Glenmede Trust Co NA | 125,090 | $124.6M | 0.61% | −832−0.7% | Reduced |
| MetLife Investment Management | 123,754 | $123.3M | 0.63% | −3,905−3.1% | Reduced |
| O'Shaughnessy Asset Management, LLC | 123,162 | $122.7M | 0.62% | +38,670+45.8% | Added |
| Marsico Capital Management LLC | 122,850 | $122.4M | 3.60% | −4,860−3.8% | Reduced |
| STRS Ohio | 121,931 | $121.5M | 0.48% | −5,863−4.6% | Reduced |
| Arizona State Retirement System | 121,612 | $121.2M | 0.71% | −4,805−3.8% | Reduced |
| Czech National Bank | 120,886 | $120.5M | 0.79% | +4,026+3.4% | Added |
| Lazard Freres Gestion S.A.S. | 120,863 | $120.4M | 2.37% | +5,230+4.5% | Added |
| Lido Advisors, LLC | 120,300 | $119.9M | 0.47% | +5,428+4.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 120,219 | $119.8M | 1.25% | +19,952+19.9% | Added |
| State of Michigan Retirement System | 119,669 | $119.2M | 0.63% | −50,100−29.5% | Reduced |
| Ieq Capital, LLC | 119,168 | $118.7M | 0.55% | +25,931+27.8% | Added |
| Federation des caisses Desjardins du Quebec | 118,736 | $118.3M | 0.43% | +15,443+15.0% | Added |
| Pictet & Cie (Europe) SA | 117,254 | $116.8M | 2.49% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 117,478 | $116.6M | 0.58% | +4,476+4.0% | Added |
| Commerce Bank | 116,977 | $116.6M | 0.56% | +5,042+4.5% | Added |
| MML Investors Services, LLC | 116,974 | $116.6M | 0.32% | −16,892−12.6% | Reduced |
| Employees Retirement System of Texas | 116,761 | $116.3M | 1.02% | −10,154−8.0% | Reduced |
| Wedbush Securities Inc | 116,389 | $116.0M | 3.38% | +1,736+1.5% | Added |
| Zurich Insurance Group Ltd | 114,906 | $114.5M | 0.90% | +114,906 | New |
| Kestra Advisory Services, LLC | 113,154 | $112.7M | 0.43% | +8,826+8.5% | Added |
| Nisa Investment Advisors, LLC | 113,082 | $112.7M | 0.42% | −3,454−3.0% | Reduced |
| Boston Trust Walden Corp | 112,809 | $112.4M | 0.92% | −2,969−2.6% | Reduced |
| KCM Investment Advisors LLC | 112,385 | $112.0M | 3.72% | −2,553−2.2% | Reduced |
| Swiss Life Asset Management Ltd | 131,275 | $110.8M | 0.54% | +37,294+39.7% | Added |
| Menora Mivtachim Holdings Ltd. | 110,600 | $110.2M | 0.52% | +110,600 | New |
| Davis R M Inc | 109,233 | $108.8M | 1.93% | +1,493+1.4% | Added |
| ABN AMRO Bank N.V. | 108,000 | $108.5M | 1.17% | −18,761−14.8% | Reduced |
| DnB Asset Management AS | 107,670 | $107.3M | 0.38% | +19,644+22.3% | Added |
| MAI Capital Management | 106,578 | $106.2M | 0.60% | +793+0.7% | Added |
| Bristol John W & Co Inc | 105,530 | $105.2M | 1.73% | −1,932−1.8% | Reduced |
| AMF Pensionsforsakring AB | 104,753 | $104.4M | 0.69% | +9,832+10.4% | Added |
| ASR Vermogensbeheer N.V. | 104,408 | $104.0M | 1.22% | +1,796+1.8% | Added |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 103,861 | $103.5M | 1.56% | −30,146−22.5% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 103,396 | $103.0M | 0.52% | +310+0.3% | Added |
| Allspring Global Investments Holdings, LLC | 103,141 | $102.8M | 0.17% | +21,150+25.8% | Added |
| Sanctuary Advisors, LLC | 102,748 | $102.4M | 0.55% | −5,176−4.8% | Reduced |
| Atalanta Sosnoff Capital, LLC | 100,126 | $99.8M | 2.14% | +24,434+32.3% | Added |
| Evercore Wealth Management, LLC | 100,119 | $99.8M | 1.57% | −1,117−1.1% | Reduced |
| Ci Investments Inc. | 99,247 | $98.9M | 0.48% | +79,710+408.0% | Added |
| Mogy Joel R Investment Counsel Inc | 97,829 | $97.5M | 6.10% | −760−0.8% | Reduced |
| Clifford Swan Investment Counsel LLC | 97,796 | $97.4M | 3.32% | −1,718−1.7% | Reduced |
| Sequoia Financial Advisors, LLC | 97,275 | $96.9M | 0.54% | +8,531+9.6% | Added |
| Kornitzer Capital Management Inc | 96,644 | $96.3M | 2.07% | −1,302−1.3% | Reduced |
| Bowen Hanes & Co Inc | 95,494 | $95.2M | 2.32% | −200−0.2% | Reduced |
| Public Sector Pension Investment Board | 95,446 | $95.1M | 0.30% | +17,965+23.2% | Added |
| OP Asset Management Ltd | 95,065 | $94.7M | 0.97% | +28,905+43.7% | Added |
| Storebrand Asset Management AS | 94,377 | $94.0M | 0.27% | +7,888+9.1% | Added |
| I.G.Y. Ltd | 94,326 | $94.0M | 39.95% | 00.0% | Unchanged |
| Harvest Portfolios Group Inc. | 94,204 | $93.9M | 1.55% | +18,518+24.5% | Added |
| Pathstone Holdings, LLC | 94,179 | $93.8M | 0.37% | −1,649−1.7% | Reduced |
| Oppenheimer & Co Inc | 93,698 | $93.4M | 1.14% | +2,907+3.2% | Added |
| Amalgamated Bank | 93,527 | $93.2M | 0.71% | −2,784−2.9% | Reduced |
| Rakuten Investment Management, Inc. | 92,099 | $91.8M | 0.19% | +9,878+12.0% | Added |
| GF Fund Management Co. Ltd. | 91,357 | $91.0M | 1.52% | −10,076−9.9% | Reduced |
| Northeast Investment Management | 91,179 | $90.9M | 3.76% | −664−0.7% | Reduced |
| Calamos Advisors LLC | 91,006 | $90.7M | 0.35% | +2,913+3.3% | Added |
| Thrivent Financial for Lutherans | 90,459 | $90.1M | 0.17% | −8,181−8.3% | Reduced |
| Regions Financial Corp | 89,193 | $88.9M | 0.58% | −2,490−2.7% | Reduced |
| Cullen/Frost Bankers, Inc. | 88,448 | $88.1M | 1.00% | −1,984−2.2% | Reduced |
| Umb Bank N A | 88,440 | $88.1M | 1.23% | −1,519−1.7% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 88,436 | $88.1M | 1.75% | −2,598−2.9% | Reduced |
| Ofi Invest Asset Management | 100,302 | $87.2M | 1.15% | −34,760−25.7% | Reduced |
| Benjamin Edwards Inc | 85,995 | $85.7M | 0.85% | −2,086−2.4% | Reduced |
| IFM Investors Pty Ltd | 85,971 | $85.7M | 0.71% | +1,842+2.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 116,363 | $85.1M | 0.19% | −10,039−7.9% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 85,043 | $84.7M | 1.28% | +85,043 | New |
| Alecta Pensionsforsakring, Omsesidigt | 84,900 | $84.6M | 0.41% | −22,800−21.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 84,762 | $84.5M | 0.36% | +10,109+13.5% | Added |
| Nicholas Company, Inc. | 84,494 | $84.2M | 1.65% | −3,782−4.3% | Reduced |
| Johnson Investment Counsel Inc | 84,445 | $84.1M | 0.68% | −87−0.1% | Reduced |
| Norinchukin Bank, The | 84,074 | $83.8M | 0.98% | −1,910−2.2% | Reduced |
| HRT Financial LP | 83,340 | $83.0M | 0.21% | +52,236+167.9% | Added |
| Donaldson Capital Management, LLC | 83,273 | $83.0M | 2.69% | −654−0.8% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 83,159 | $82.9M | 0.81% | +1,696+2.1% | Added |
| QRG Capital Management, Inc. | 82,419 | $82.1M | 0.85% | +7,806+10.5% | Added |