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 |
|---|---|---|---|---|---|
| Millennium Management LLC | 380,749 | $356.2M | 0.24% | +244,211+178.9% | Added |
| Capitolis Liquid Global Markets LLC | 379,720 | $355.2M | 1.55% | −61,596−14.0% | Reduced |
| State Board of Administration of Florida Retirement System | 379,139 | $354.7M | 0.59% | −11,379−2.9% | Reduced |
| Schroder Investment Management Group | 374,507 | $354.5M | 0.25% | +23,658+6.7% | Added |
| Public Employees Retirement Association of Colorado | 377,550 | $353.2M | 1.22% | −19,880−5.0% | Reduced |
| Susquehanna International Group, LLP | 361,307 | $338.0M | 0.30% | +213,166+143.9% | Added |
| Quantinno Capital Management LP | 359,679 | $336.5M | 0.40% | +60,734+20.3% | Added |
| Colony Group, LLC | 357,423 | $334.4M | 0.34% | +692+0.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 354,667 | $331.8M | 0.47% | −91,520−20.5% | Reduced |
| Scotia Capital Inc. | 354,177 | $331.3M | 1.24% | −34,526−8.9% | Reduced |
| Prudential Financial Inc | 353,757 | $330.9M | 0.36% | −86,547−19.7% | Reduced |
| Danske Bank A/S | 352,575 | $329.8M | 0.66% | +14,187+4.2% | Added |
| Victory Capital Management Inc | 347,314 | $324.9M | 0.18% | −33,082−8.7% | Reduced |
| Standard Life Aberdeen plc | 346,814 | $324.4M | 0.46% | −7,653−2.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 346,795 | $324.4M | 0.40% | +55,789+19.2% | Added |
| Commonwealth Equity Services, LLC | 341,591 | $319.5M | 0.40% | −15,293−4.3% | Reduced |
| Great West Life Assurance Co | 339,979 | $317.5M | 0.51% | −29,065−7.9% | Reduced |
| New York State Teachers Retirement System | 339,199 | $317.3M | 0.59% | −16,921−4.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 337,914 | $314.4M | 0.48% | +6,611+2.0% | Added |
| NEOS Investment Management LLC | 330,824 | $309.5M | 1.14% | +23,216+7.5% | Added |
| TD Waterhouse Canada Inc. | 333,022 | $308.1M | 0.81% | −3,959−1.2% | Reduced |
| Fifth Third Bancorp | 327,527 | $306.4M | 0.50% | −10,458−3.1% | Reduced |
| Keybank National Association | 326,605 | $305.5M | 1.00% | −7,221−2.2% | Reduced |
| HRT Financial LP | 324,998 | $304.0M | 0.56% | +241,658+290.0% | Added |
| Pictet Asset Management Holding SA | 322,321 | $301.5M | 0.29% | +87,615+37.3% | Added |
| AustralianSuper Pty Ltd | 312,338 | $292.2M | 1.27% | +29,199+10.3% | Added |
| Natixis Advisors, L.P. | 311,416 | $291.3M | 0.33% | +31,741+11.3% | Added |
| Allianz Asset Management GmbH | 310,809 | $290.8M | 0.27% | +95,186+44.1% | Added |
| Chilton Investment Co LLC | 310,417 | $290.4M | 6.96% | −26,228−7.8% | Reduced |
| Creative Planning | 306,789 | $287.0M | 0.17% | +5,556+1.8% | Added |
| Ninety One UK Ltd | 305,975 | $286.2M | 0.64% | +305,773+151,372.8% | Added |
| Advisor Group Holdings, Inc. | 305,164 | $285.9M | 0.34% | +14,751+5.1% | Added |
| Balyasny Asset Management LLC | 304,003 | $284.4M | 0.52% | +158,880+109.5% | Added |
| DekaBank Deutsche Girozentrale | 280,188 | $278.2M | 0.47% | 00.0% | Unchanged |
| CIBC World Markets Inc. | 294,335 | $275.3M | 0.46% | −19,318−6.2% | Reduced |
| Jones Financial Companies LLLP | 287,925 | $274.1M | 0.11% | +45,965+19.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 287,588 | $269.0M | 0.51% | +39,761+16.0% | Added |
| Qube Research & Technologies Ltd | 286,445 | $268.0M | 0.30% | +105,559+58.4% | Added |
| Haverford Trust Co | 283,676 | $265.4M | 2.29% | −6,480−2.2% | Reduced |
| Korea Investment CORP | 280,643 | $262.5M | 0.50% | −50,481−15.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 278,116 | $260.2M | 0.31% | −42,186−13.2% | Reduced |
| Bank of Nova Scotia | 274,678 | $257.0M | 0.39% | +58,701+27.2% | Added |
| PFA Pension, Forsikringsaktieselskab | 262,499 | $245.6M | 0.62% | +19,555+8.0% | Added |
| Ensign Peak Advisors, Inc | 251,489 | $235.3M | 0.39% | −885−0.4% | Reduced |
| Truist Financial Corp | 250,163 | $234.0M | 0.28% | −38,918−13.5% | Reduced |
| Brown Advisory Inc | 248,300 | $232.3M | 0.36% | −69,465−21.9% | Reduced |
| Cetera Investment Advisers | 244,761 | $229.0M | 0.21% | +3,501+1.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 240,149 | $224.7M | 0.49% | +643+0.3% | Added |
| State of Wisconsin Investment Board | 236,660 | $221.4M | 0.45% | −3,734−1.6% | Reduced |
| Capital Counsel LLC | 234,577 | $219.4M | 8.58% | −3,877−1.6% | Reduced |
| Steadfast Capital Management LP | 234,056 | $219.0M | 6.71% | +193,306+474.4% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 233,991 | $218.9M | 2.12% | −4,394−1.8% | Reduced |
| Royal London Asset Management Ltd | 232,968 | $217.9M | 0.40% | −2,029−0.9% | Reduced |
| Brown Brothers Harriman & Co | 228,630 | $213.9M | 0.94% | −5,398−2.3% | Reduced |
| Asset Management One Co.,Ltd. | 227,281 | $212.6M | 0.55% | +1,037+0.5% | Added |
| Vanguard Investments Australia, Ltd. | 226,302 | $211.7M | 0.53% | +5,110+2.3% | Added |
| Mackenzie Financial Corp | 223,379 | $209.0M | 0.21% | −21,173−8.7% | Reduced |
| Nomura Asset Management Co Ltd | 222,567 | $208.2M | 0.45% | −25,148−10.2% | Reduced |
| Greenbrier Partners Capital Management, LLC | 221,730 | $207.4M | 15.54% | −742−0.3% | Reduced |
| Alphinity Investment Management Pty Ltd | 221,056 | $206.8M | 3.44% | +9,180+4.3% | Added |
| Huntington National Bank | 219,894 | $205.7M | 1.00% | +11,280+5.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 219,017 | $204.9M | 0.39% | −19,130−8.0% | Reduced |
| Rathbone Brothers plc | 218,544 | $204.4M | 0.75% | −17,418−7.4% | Reduced |
| Sarasin & Partners LLP | 214,194 | $200.4M | 2.35% | +13,795+6.9% | Added |
| Congress Asset Management Co | 208,851 | $195.4M | 1.20% | −7,173−3.3% | Reduced |
| Captrust Financial Advisors | 207,760 | $194.4M | 0.30% | −5,222−2.5% | Reduced |
| Toronto Dominion Bank | 203,573 | $190.4M | 0.32% | +44,029+27.6% | Added |
| Worldquant Millennium Advisors LLC | 202,689 | $189.6M | 0.65% | −48,829−19.4% | Reduced |
| William Blair Investment Management, LLC | 199,355 | $186.5M | 0.56% | −103,113−34.1% | Reduced |
| CIBC Bancorp USA Inc. | 199,358 | $186.5M | 0.23% | −38,339−16.1% | Reduced |
| Wellington Management Group LLP | 197,558 | $184.8M | 0.03% | −5,751−2.8% | Reduced |
| M&T Bank Corp | 197,308 | $184.6M | 0.54% | −370−0.2% | Reduced |
| Banque Transatlantique SA | 211,117 | $184.5M | 3.99% | +11,776+5.9% | Added |
| CIBC Asset Management Inc | 196,774 | $184.0M | 0.40% | −12,002−5.7% | Reduced |
| Empower Advisory Group, LLC | 194,416 | $181.9M | 0.43% | +4,885+2.6% | Added |
| Lazard Asset Management LLC | 194,028 | $181.5M | 0.27% | +13,158+7.3% | Added |
| Retirement Systems of Alabama | 193,386 | $180.9M | 0.54% | −1,059−0.5% | Reduced |
| SEI Investments Co | 189,988 | $177.7M | 0.16% | −33,015−14.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 189,471 | $177.2M | 0.09% | −2,638−1.4% | Reduced |
| Treasurer of the State of North Carolina | 189,040 | $176.8M | 0.46% | −990−0.5% | Reduced |
| D.A. Davidson & Co. | 188,778 | $176.6M | 0.98% | −608−0.3% | Reduced |
| Douglass Winthrop Advisors, LLC | 187,973 | $175.8M | 3.03% | −841−0.4% | Reduced |
| ING Groep NV | 187,333 | $175.2M | 0.86% | +48,181+34.6% | Added |
| Actiam N.V. | 186,969 | $174.9M | 1.35% | −274−0.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 185,000 | $171.1M | 0.26% | +81,859+79.4% | Added |
| KLP Kapitalforvaltning AS | 181,980 | $170.2M | 0.55% | +17,240+10.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 181,256 | $169.6M | 0.32% | −14,191−7.3% | Reduced |
| Nomura Asset Management International Inc. | 180,209 | $168.6M | 0.25% | −9,593−5.1% | Reduced |
| Loomis Sayles & Co L P | 178,361 | $166.9M | 0.21% | −14,281−7.4% | Reduced |
| Public Employees Retirement System of Ohio | 178,283 | $166.8M | 0.49% | −18,105−9.2% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 176,966 | $165.5M | 0.79% | −5,560−3.0% | Reduced |
| Teacher Retirement System of Texas | 175,128 | $163.8M | 0.44% | +32,958+23.2% | Added |
| Resona Asset Management Co.,Ltd. | 172,759 | $161.9M | 0.76% | −4,307−2.4% | Reduced |
| Voloridge Investment Management, LLC | 172,825 | $161.7M | 0.69% | −112,322−39.4% | Reduced |
| Mercer Global Advisors Inc | 171,725 | $160.6M | 0.20% | +21,017+13.9% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 166,000 | $155.2M | 0.65% | +81,100+95.5% | Added |
| Welch & Forbes LLC | 162,277 | $151.8M | 1.84% | +911+0.6% | Added |
| Nissay Asset Management Corp | 158,416 | $148.2M | 0.63% | +6,200+4.1% | Added |
| TCW Group Inc | 156,163 | $146.1M | 0.98% | −21,657−12.2% | Reduced |
| EP Wealth Advisors, LLC | 155,825 | $145.8M | 0.56% | +7,517+5.1% | Added |