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
- 4,275
- +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
- 1,798 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 |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 388,793 | $387.4M | 0.18% | +2,630+0.7% | Added |
| Scotia Capital Inc. | 388,703 | $387.3M | 1.59% | −4,979−1.3% | Reduced |
| Victory Capital Management Inc | 380,396 | $379.0M | 0.24% | +37,870+11.1% | Added |
| Great West Life Assurance Co | 369,044 | $368.8M | 0.66% | +9,414+2.6% | Added |
| Man Group plc | 357,691 | $356.4M | 0.74% | −161,954−31.2% | Reduced |
| Manufacturers Life Insurance Company, The | 357,156 | $355.9M | 0.31% | +44,598+14.3% | Added |
| Commonwealth Equity Services, LLC | 356,884 | $355.6M | 0.50% | −8,407−2.3% | Reduced |
| Colony Group, LLC | 356,731 | $355.5M | 0.40% | +8,133+2.3% | Added |
| New York State Teachers Retirement System | 356,120 | $354.8M | 0.72% | +5,898+1.7% | Added |
| Standard Life Aberdeen plc | 354,467 | $353.2M | 0.57% | −1,631−0.5% | Reduced |
| Schroder Investment Management Group | 350,849 | $349.6M | 0.29% | +23,467+7.2% | Added |
| Danske Bank A/S | 338,388 | $337.2M | 0.81% | +3,893+1.2% | Added |
| Fifth Third Bancorp | 337,985 | $336.8M | 0.62% | +113,780+50.7% | Added |
| Chilton Investment Co LLC | 336,645 | $335.4M | 7.87% | −59,905−15.1% | Reduced |
| TD Waterhouse Canada Inc. | 336,981 | $335.4M | 0.99% | +150,513+80.7% | Added |
| Keybank National Association | 333,826 | $332.6M | 1.21% | −1,178−0.4% | Reduced |
| Korea Investment CORP | 331,124 | $329.9M | 0.68% | +11,606+3.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 331,303 | $328.1M | 0.56% | +10,746+3.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 320,302 | $319.2M | 0.43% | −13,321−4.0% | Reduced |
| Brown Advisory Inc | 317,765 | $316.6M | 0.52% | −72,307−18.5% | Reduced |
| CIBC World Markets Inc. | 313,653 | $312.5M | 0.55% | −4,610−1.4% | Reduced |
| NEOS Investment Management LLC | 307,608 | $306.5M | 1.55% | +67,702+28.2% | Added |
| William Blair Investment Management, LLC | 302,468 | $301.4M | 1.00% | −26,000−7.9% | Reduced |
| Creative Planning | 301,233 | $300.2M | 0.20% | +35,037+13.2% | Added |
| Quantinno Capital Management LP | 298,945 | $297.9M | 0.50% | +65,251+27.9% | Added |
| Robeco Institutional Asset Management B.V. | 291,006 | $290.0M | 0.41% | +21,504+8.0% | Added |
| Advisor Group Holdings, Inc. | 290,413 | $289.7M | 0.42% | +27,203+10.3% | Added |
| Haverford Trust Co | 290,156 | $289.1M | 2.65% | −1,750−0.6% | Reduced |
| Truist Financial Corp | 289,081 | $288.0M | 0.39% | −1,173−0.4% | Reduced |
| Voloridge Investment Management, LLC | 285,147 | $284.1M | 1.14% | −541,561−65.5% | Reduced |
| DekaBank Deutsche Girozentrale | 280,188 | $284.0M | 0.47% | 00.0% | Unchanged |
| AustralianSuper Pty Ltd | 283,139 | $282.1M | 1.47% | +135,553+91.8% | Added |
| Natixis Advisors, L.P. | 279,675 | $278.7M | 0.39% | +26,271+10.4% | Added |
| Marshall Wace, LLP | 263,741 | $262.8M | 0.28% | −248,289−48.5% | Reduced |
| Ensign Peak Advisors, Inc | 252,374 | $251.5M | 0.47% | +45,057+21.7% | Added |
| Worldquant Millennium Advisors LLC | 251,518 | $250.6M | 0.97% | −122,986−32.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 247,827 | $246.9M | 0.71% | +29,434+13.5% | Added |
| Nomura Asset Management Co Ltd | 247,715 | $246.8M | 0.64% | +30,336+14.0% | Added |
| Mackenzie Financial Corp | 244,552 | $243.7M | 0.29% | +21,304+9.5% | Added |
| PFA Pension, Forsikringsaktieselskab | 242,944 | $242.1M | 0.73% | −3,532−1.4% | Reduced |
| Cetera Investment Advisers | 241,260 | $240.4M | 0.26% | +1,712+0.7% | Added |
| State of Wisconsin Investment Board | 240,394 | $239.5M | 0.55% | +8,151+3.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 239,506 | $238.7M | 0.59% | +4,805+2.0% | Added |
| Jones Financial Companies LLLP | 241,960 | $238.2M | 0.11% | +104,592+76.1% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 238,385 | $238.0M | 2.39% | −5,334−2.2% | Reduced |
| Capital Counsel LLC | 238,454 | $237.6M | 10.11% | −3,225−1.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 238,147 | $237.3M | 0.52% | +21,416+9.9% | Added |
| CIBC Bancorp USA Inc. | 237,697 | $236.9M | 0.32% | +237,697 | New |
| Rathbone Brothers plc | 235,962 | $235.1M | 0.94% | −38,703−14.1% | Reduced |
| Royal London Asset Management Ltd | 234,997 | $234.2M | 0.49% | +6,637+2.9% | Added |
| Pictet Asset Management Holding SA | 234,706 | $233.9M | 0.25% | −1,068−0.5% | Reduced |
| Brown Brothers Harriman & Co | 234,028 | $233.2M | 1.25% | +2,231+1.0% | Added |
| Squarepoint Ops LLC | 228,527 | $227.7M | 0.49% | −141,814−38.3% | Reduced |
| Asset Management One Co.,Ltd. | 226,244 | $225.4M | 0.66% | −1,444−0.6% | Reduced |
| SEI Investments Co | 223,003 | $222.2M | 0.20% | +51,339+29.9% | Added |
| Greenbrier Partners Capital Management, LLC | 222,472 | $221.7M | 17.07% | −1,587−0.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 221,192 | $220.4M | 0.64% | +221,192 | New |
| Congress Asset Management Co | 216,024 | $215.3M | 1.54% | −1,451−0.7% | Reduced |
| Bank of Nova Scotia | 215,977 | $215.2M | 0.38% | −163,155−43.0% | Reduced |
| Allianz Asset Management GmbH | 215,623 | $214.9M | 0.25% | +57,936+36.7% | Added |
| Panagora Asset Management Inc | 214,992 | $214.2M | 0.80% | +43,679+25.5% | Added |
| Captrust Financial Advisors | 212,982 | $212.2M | 0.37% | +26,315+14.1% | Added |
| Alphinity Investment Management Pty Ltd | 211,876 | $211.1M | 3.72% | −80,891−27.6% | Reduced |
| CIBC Asset Management Inc | 208,776 | $208.0M | 0.51% | +1,892+0.9% | Added |
| Huntington National Bank | 208,614 | $207.9M | 1.15% | +1,752+0.8% | Added |
| Wellington Management Group LLP | 203,309 | $202.6M | 0.04% | +51,495+33.9% | Added |
| Sarasin & Partners LLP | 200,399 | $199.7M | 2.44% | +2,983+1.5% | Added |
| Banque Transatlantique SA | 199,341 | $199.2M | 4.77% | −12,621−6.0% | Reduced |
| M&T Bank Corp | 197,678 | $197.0M | 0.65% | −1,098−0.6% | Reduced |
| Public Employees Retirement System of Ohio | 196,388 | $195.7M | 0.63% | −6,120−3.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 195,447 | $194.7M | 0.45% | +89,739+84.9% | Added |
| Retirement Systems of Alabama | 194,445 | $193.8M | 0.65% | +32,002+19.7% | Added |
| Loomis Sayles & Co L P | 192,642 | $192.0M | 0.26% | −18,511−8.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 192,109 | $191.4M | 0.12% | +5,674+3.0% | Added |
| Treasurer of the State of North Carolina | 190,030 | $189.4M | 0.60% | +4,047+2.2% | Added |
| Nomura Asset Management International Inc. | 189,802 | $189.1M | 0.32% | −8,581−4.3% | Reduced |
| Empower Advisory Group, LLC | 189,531 | $188.9M | 0.49% | +9,571+5.3% | Added |
| D.A. Davidson & Co. | 189,386 | $188.7M | 1.14% | +994+0.5% | Added |
| Douglass Winthrop Advisors, LLC | 188,814 | $188.1M | 3.44% | −2,304−1.2% | Reduced |
| Actiam N.V. | 187,243 | $186.6M | 1.82% | +8,735+4.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 182,526 | $181.9M | 0.99% | +68,110+59.5% | Added |
| Qube Research & Technologies Ltd | 180,886 | $180.2M | 0.26% | −421,746−70.0% | Reduced |
| Lazard Asset Management LLC | 180,870 | $180.2M | 0.30% | +74,800+70.5% | Added |
| TCW Group Inc | 177,820 | $177.2M | 1.33% | −4,737−2.6% | Reduced |
| Resona Asset Management Co.,Ltd. | 177,066 | $176.4M | 0.88% | −2,468−1.4% | Reduced |
| Mn Services Vermogensbeheer B.V. | 171,366 | $170.8M | 1.13% | −400−0.2% | Reduced |
| KLP Kapitalforvaltning AS | 164,740 | $164.2M | 0.64% | +5,680+3.6% | Added |
| Welch & Forbes LLC | 161,366 | $160.8M | 2.08% | −979−0.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 161,140 | $160.6M | 0.82% | +21,888+15.7% | Added |
| Toronto Dominion Bank | 159,544 | $159.0M | 0.31% | −42,802−21.2% | Reduced |
| Point72 Asset Management, L.P. | 155,579 | $155.0M | 0.27% | +122,112+364.9% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 154,450 | $153.9M | 1.04% | +148,350+2,432.0% | Added |
| GWM Advisors LLC | 152,950 | $152.4M | 0.55% | −1,394−0.9% | Reduced |
| State of New Jersey Common Pension Fund D | 152,279 | $151.7M | 0.59% | +99+0.1% | Added |
| Nissay Asset Management Corp | 152,216 | $151.7M | 0.80% | +29,703+24.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 151,618 | $151.1M | 0.14% | +8,357+5.8% | Added |
| Mercer Global Advisors Inc | 150,708 | $150.2M | 0.22% | +22,747+17.8% | Added |
| Daiwa Securities Group Inc. | 149,179 | $148.6M | 0.43% | +5,995+4.2% | Added |
| State of Tennessee, Treasury Department | 149,093 | $148.6M | 0.50% | −179−0.1% | Reduced |
| Local Pensions Partnership Investment Ltd | 148,500 | $148.0M | 3.20% | −10,900−6.8% | Reduced |