Who owns COST
Institutions that file 13Fs hold 73% of the shares
Shares they hold, quarter on quarter
+0.9%
200 new, 1515 added, 1502 cut, 229 sold out
Top 10 holders
45%
of the shares institutions hold
A 13F lists the long positions of managers with more than $100M in US stocks. It shows the last day of a quarter and is filed up to 45 days later. Two managers can report the same shares, so totals can count some shares twice.
Institutional owners
The 25 biggest holders
| Holder | Shares | Value | % of company | From Mar 31, 2026 |
|---|---|---|---|---|
| BlackRock, Inc. | 34.20M | $32.0B | 7.72% | Reduced -2.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 28.98M | $27.1B | 6.54% | Held |
| STATE STREET CORP | 18.38M | $17.2B | 4.15% | Added +1.3% |
| Invesco Ltd. | 13.99M | $13.1B | 3.16% | Added +2.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 10.63M | $9.9B | 2.40% | Held |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 10.40M | $9.7B | 2.35% | Reduced -2.8% |
| MORGAN STANLEY | 10.22M | $9.6B | 2.31% | Added +3.3% |
| BANK OF AMERICA CORP /DE/ | 7.25M | $6.8B | 1.64% | Reduced -3.5% |
| NORGES BANK | 6.47M | $6.1B | 1.46% | New |
| FMR LLC | 6.16M | $5.8B | 1.39% | Reduced -8.3% |
| NORTHERN TRUST CORP | 4.84M | $4.5B | 1.09% | Reduced -1.9% |
| ROYAL BANK OF CANADA | 4.29M | $4.0B | 0.97% | Added +14.2% |
| JPMORGAN CHASE & CO | 4.22M | $4.0B | 0.95% | Added +4.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.63M | $3.4B | 0.82% | Added +6.8% |
| GOLDMAN SACHS GROUP INC | 3.29M | $3.1B | 0.74% | Added +2.5% |
| Fisher Asset Management, LLC | 3.25M | $3.0B | 0.73% | Added +1.0% |
| Bank of New York Mellon Corp | 3.22M | $3.0B | 0.73% | Reduced -5.2% |
| Nuveen, LLC | 3.19M | $3.0B | 0.72% | Added +3.8% |
| WELLS FARGO & COMPANY/MN | 3.11M | $2.9B | 0.70% | Held |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 3.07M | $2.9B | 0.69% | Added +5.5% |
| Capital International Investors | 2.77M | $2.6B | 0.63% | Added +0.8% |
| UBS Group AG | 2.68M | $2.5B | 0.60% | Added +7.9% |
| ALLIANCEBERNSTEIN L.P. | 2.55M | $2.5B | 0.58% | Reduced -7.9% |
| Legal & General Group Plc | 2.53M | $2.4B | 0.57% | Added +0.8% |
| VANGUARD FIDUCIARY TRUST CO | 2.52M | $2.4B | 0.57% | Reduced -1.7% |
Show the other 15 holders
This quarter
Who bought and who sold the most shares
Bought the most shares
- NORGES BANK +6.47M, new
- SG Americas Securities, LLC +956K
- MARSHALL WACE, LLP +911K
- Assenagon Asset Management S.A. +831K
- ROYAL BANK OF CANADA +533K
- Jupiter Topco LLC +404K, new
- Invesco Ltd. +360K
- ACADIAN ASSET MANAGEMENT LLC +326K
- MORGAN STANLEY +322K
- Ninety One UK Ltd +306K
Sold the most shares
- DIAMANT ASSET MANAGEMENT, INC. -6.72M
- BlackRock, Inc. -744K
- FMR LLC -555K
- PRICE T ROWE ASSOCIATES INC /MD/ -513K
- Amundi -415K
- JANUS HENDERSON GROUP PLC -389K, sold out
- AMERICAN CENTURY COMPANIES INC -358K
- VANGUARD PORTFOLIO MANAGEMENT LLC -303K
- FRANKLIN RESOURCES INC -276K
- VOYA INVESTMENT MANAGEMENT LLC -274K
Superinvestors
Superinvestors holding COST
| Investor | Quarter | Shares | Value | % of portfolio | Last quarter |
|---|---|---|---|---|---|
| Tom Gayner Markel Group | Sep 30, 2026 | 34K | $30.7M | 0.26% | Reduced -13.8% |
| Thomas Russo Gardner Russo & Quinn | Jun 30, 2026 | 3K | $3.2M | 0.04% | Reduced -26.5% |
| Christopher Bloomstran Semper Augustus Investments | Jun 30, 2026 | 3K | $3.1M | 0.36% | Held |
| Bill Nygren Harris Associates (Oakmark) | Jun 30, 2026 | 358 | $335K | 0.00% | Reduced -1.1% |
More than 5%
13D filings: owners who may push for change
No Schedule 13D about COST in the last year.