Costco Wholesale Ownership | Who Owns Costco Wholesale?
Costco Wholesale Ownership Summary
Costco Wholesale is owned by 67.34% institutional investors, 0.16% insiders, and 32.50% retail investors. Vanguard group is the largest institutional shareholder, holding 9.83% of COST shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.18% of its assets in Costco Wholesale shares.
COST Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Costco Wholesale | 67.34% | 0.16% | 32.50% |
| Sector | Consumer Defensive Stocks | 33.61% | 17.46% | 48.94% |
| Industry | Discount Stores Stocks | 54.50% | 6.03% | 39.47% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 43.62M | 9.83% | $37.62B |
| Blackrock funding, inc. /de | 34.20M | 7.70% | $32.00B |
| Blackrock | 33.19M | 7.48% | $28.21B |
| State street | 18.38M | 4.14% | $17.20B |
| Geode capital management | 10.66M | 2.40% | $10.58B |
| Morgan stanley | 9.90M | 2.23% | $9.86B |
| Fmr | 6.72M | 1.51% | $6.69B |
| Norges bank | 6.47M | 1.46% | $6.06B |
| Northern trust | 4.93M | 1.11% | $4.91B |
| Invesco | 4.31M | 0.97% | $4.30B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Emerald advisors | 622.53K | 73.18% | $582.36M |
| I.g.y. | 94.33K | 35.99% | $88.24M |
| Worldly partners management | 43.27K | 33.07% | $40.48M |
| Steginsky capital | 135.27K | 18.99% | $126.54M |
| Greenbrier partners capital management | 222.47K | 17.07% | $221.68M |
| Norman fields, gottscho capital management | 57.20K | 16.21% | $53.51M |
| Unio capital | 51.11K | 10.92% | $50.93M |
| Capital counsel llc/ny | 238.45K | 10.11% | $237.60M |
| Garrison bradford & associates | 9.40K | 9.54% | $8.80M |
| Ocean capital management | 54.90K | 9.52% | $51.36M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 6.47M | 0.60% | 6.47M |
| Vanguard fiduciary trust | 2.56M | 0.65% | 2.56M |
| Org wealth partners | 2.50M | 0.39% | 2.50M |
| Capital investors | 2.75M | 0.64% | 2.11M |
| Jpmorgan chase | 4.04M | 0.26% | 1.06M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Diamant asset management | 6.75K | 4.29% | -6.72M |
| Capital world investors | 2.03M | 0.28% | -1.90M |
| Blackrock funding, inc. /de | 34.20M | 0.48% | -744.21K |
| Renaissance | 19.46K | 0.03% | -673.55K |
| Bnp paribas arbitrage, snc | 553.31K | 0.27% | -549.43K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 6.47M | 0.60% | 6.47M | $6.06B |
| Vanguard fiduciary trust | 2.56M | 0.65% | 2.56M | $2.55B |
| Vanguard global advisers | 971.14K | 0.52% | 971.14K | $967.68M |
| Vanguard asset management | 772.38K | 0.66% | 772.38K | $769.62M |
| Axa investment managers | 390.39K | 0.98% | 390.39K | $361.36M |
Sold Out
| Holder | Change |
|---|---|
| Bridge generations wealth management | -1.00 |
| Delos wealth advisors | -1.00 |
| Usa financial portformulas | -2.00 |
| Sugar maple asset management | -4.00 |
| Sanctuary wealth management | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 4,218 | 0.52% | 298,971,950 | -3.17% | 67 | 1.39% | 2,040 | 3.29% | 1,578 | -4.48% |
| Dec 31, 2025 | 3,609 | -10.42% | 255,546,837 | -13.82% | 57 | 1.29% | 1,640 | -8.99% | 1,479 | -6.98% |
| Sep 30, 2025 | 3,882 | -4.69% | 294,540,771 | -3.79% | 66 | 1.40% | 1,740 | -9.70% | 1,528 | 1.06% |
| Jun 30, 2025 | 3,974 | -0.85% | 305,715,619 | 2.51% | 68 | 1.53% | 1,883 | 5.31% | 1,476 | -11.56% |
| Mar 31, 2025 | 41 | -98.97% | 1,611,038 | -99.47% | - | 0.01% | 15 | -99.24% | 19 | -98.68% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 14.09M | 3.18% | -40.84K |
| Vanguard Total Stock Mkt Idx Inv | 14.09M | 3.18% | -40.84K |
| Vanguard US Total Market Shares ETF | 14.05M | 3.17% | -1.51K |
| Vanguard 500 Index Investor | 11.52M | 2.60% | -98.81K |
| Invesco QQQ Trust | 9.19M | 2.07% | -116.57K |
| iShares Core S&P 500 ETF | 5.99M | 1.35% | 9.55K |
| Fidelity 500 Index | 5.69M | 1.28% | 11.11K |
| SPDR® S&P 500 ETF | 5.52M | 1.24% | -72.34K |
| State Street® SPDR® S&P 500® ETF | 5.47M | 1.23% | 4.63K |
| SPDR® S&P 500® ETF Trust | 5.38M | 1.21% | -28.19K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 23, 2026 | DENMAN KENNETH D | - | Sell | $847.35K |
| Apr 01, 2026 | Frates Caton | Executive Vice President | Sell | $695.10K |
| Mar 09, 2026 | Adamo Claudine | Executive Vice President | Sell | $732.21K |
| Jan 21, 2026 | Jones Teresa A. | Executive Vice President | Sell | $838.32K |
| Jan 16, 2026 | DECKER SUSAN L | - | Sell | $437.39K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 2 |
| 2026 Q1 | - | 5 |
| 2025 Q4 | - | 5 |
| 2025 Q3 | - | 4 |
| 2025 Q2 | - | 5 |
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