Filing Flows › Costco Wholesale (COST) › Who owns the stock
Who owns Costco Wholesale (COST) stock
4,066 funds reported Costco Wholesale (COST) shares in their latest 13F filings, worth $324.0B in all. The largest holder is Vanguard Group ($37.6B). Last quarter 1,698 funds added to their stakes and 1734 cut them. Members of Congress and other officials disclosed 10 trades (5 buys, 5 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 43,620,717 | $37.6B | increase | 2025-12-31 |
| BlackRock | 34,202,834 | $32.0B | decrease | 2026-06-30 |
| Vanguard Capital Management LLC | 28,976,605 | $27.1B | increase | 2026-06-30 |
| State Street | 18,384,951 | $17.2B | increase | 2026-06-30 |
| Invesco | 13,989,137 | $13.1B | increase | 2026-06-30 |
| Geode Capital Management, LLC | 10,627,472 | $9.9B | decrease | 2026-06-30 |
| Vanguard Portfolio Management LLC | 10,402,555 | $9.7B | decrease | 2026-06-30 |
| Morgan Stanley | 10,220,437 | $9.6B | increase | 2026-06-30 |
| Bank of America | 7,249,774 | $6.8B | decrease | 2026-06-30 |
| FMR LLC | 6,163,541 | $5.8B | decrease | 2026-06-30 |
| Northern Trust | 4,835,919 | $4.5B | decrease | 2026-06-30 |
| Royal Bank of Canada | 4,292,111 | $4.0B | increase | 2026-06-30 |
| Charles Schwab Investment Management | 3,631,675 | $3.4B | increase | 2026-06-30 |
| Goldman Sachs Group | 3,293,734 | $3.1B | increase | 2026-06-30 |
| Fisher Asset Management, LLC | 3,253,040 | $3.0B | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-10-13 | Pete Sessions | sale | $100K–$250K |
| 2026-10-02 | Pete Sessions | sale | $250K–$500K |
| 2026-09-18 | Richard W. Allen | sale | $1K–$15K |
| 2026-07-30 | Richard Dean Dr McCormick | sale | $1K–$15K |
| 2026-07-10 | Dan Newhouse | purchase | $1K–$15K |
| 2026-03-27 | Alan Armstrong | purchase | $1K–$15K |
| 2026-01-30 | Gilbert Cisneros | purchase | $1K–$15K |
| 2025-12-29 | Markwayne Mullin | purchase | $15K–$50K |
| 2025-12-24 | Gilbert Cisneros | partial sale | $1K–$15K |
| 2025-11-05 | Richard Dean Dr McCormick | purchase | $1K–$15K |
Costco Wholesale's latest quarter
Costco Wholesale, Q4 FY26: revenue $95.7B (+11% year over year), operating margin 4.0%, net earnings $3.0B. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most COST stock?
By the latest 13F filings: Vanguard Group ($37.6B); BlackRock ($32.0B); Vanguard Capital Management LLC ($27.1B); State Street ($17.2B); Invesco ($13.1B).
Has Congress traded COST stock?
Officials disclosed 10 trades on file: 5 buys and 5 sales. The latest: Pete Sessions, sale on 2026-10-13.
What is the short interest in COST?
7,600,821 shares were sold short at the 2026-10-15 settlement, 3.75% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.