Review the latest institutional ownership data for COST based on recent 13F filings. Holdings Channel tracks 4314 institutional holders of COST across the most recent two holding periods in our 13F database.
The table below shows the top 50 institutional holders of COST by reported position size, including share amounts, position values, and the filing period for each holder. Holder names link to each institution’s 13F portfolio page.
COST institutional holders summary
- Security: COST
- Institutional holders tracked: 4314
- Largest reported holder shown: Vanguard Group Inc.
- Table includes: holder name, share amount, position value, and filing period
- Source: recent institutional 13F filings
| Holder | Amount | Position Size ($ in 1000's) | As of |
|---|---|---|---|
 Vanguard Group Inc. | 43,620,717 | $37,615,889 | 12/31/2025 |
| COST | 43,620,717 | $37,615,889 | 12/31/2025 |
| BlackRock Inc. | 34,947,040 | $34,822,279 | 03/31/2026 |
| COST | 34,947,040 | $34,822,279 | 03/31/2026 |
| Vanguard Capital Management LLC | 28,847,448 | $28,744,463 | 03/31/2026 |
| COST | 28,847,448 | $28,744,463 | 03/31/2026 |
| State Street Corp | 18,152,232 | $18,087,429 | 03/31/2026 |
| COST | 18,152,232 | $18,087,429 | 03/31/2026 |
| Vanguard Portfolio Management LLC | 10,705,635 | $10,667,416 | 03/31/2026 |
| COST | 10,705,635 | $10,667,416 | 03/31/2026 |
| Geode Capital Management LLC | 10,659,224 | $10,576,204 | 03/31/2026 |
| COST | 10,659,224 | $10,576,204 | 03/31/2026 |
| Morgan Stanley | 9,898,711 | $9,863,377 | 03/31/2026 |
| COST | 9,898,711 | $9,863,377 | 03/31/2026 |
| Bank of America Corp DE | 7,515,031 | $7,488,203 | 03/31/2026 |
| COST | 7,515,031 | $7,488,203 | 03/31/2026 |
| FMR LLC | 6,718,589 | $6,694,603 | 03/31/2026 |
| COST | 6,718,589 | $6,694,603 | 03/31/2026 |
| Northern Trust Corp | 4,928,107 | $4,910,514 | 03/31/2026 |
| COST | 4,928,107 | $4,910,514 | 03/31/2026 |
| Invesco Ltd. | 4,313,506 | $4,298,107 | 03/31/2026 |
| COST | 4,313,506 | $4,298,107 | 03/31/2026 |
 JPMorgan Chase & Co. | $3,971,689 | 03/31/2026 | |
| COST | 4,039,916 | $4,026,102 | 03/31/2026 |
| Put | 78,700 | $78,431 | 03/31/2026 |
| Call | 24,100 | $24,018 | 03/31/2026 |
| Royal Bank of Canada | $3,756,792 | 03/31/2026 | |
| COST | 3,758,850 | $3,745,432 | 03/31/2026 |
| Call | 11,600 | $11,559 | 03/31/2026 |
| Put | 200 | $199 | 03/31/2026 |
| Charles Schwab Investment Management Inc. | 3,400,303 | $3,388,164 | 03/31/2026 |
| COST | 3,400,303 | $3,388,164 | 03/31/2026 |
| Bank of New York Mellon Corp | 3,391,624 | $3,379,516 | 03/31/2026 |
| COST | 3,391,624 | $3,379,516 | 03/31/2026 |
| Fisher Asset Management LLC | 3,219,856 | $3,208,361 | 03/31/2026 |
| COST | 3,219,856 | $3,208,361 | 03/31/2026 |
| Goldman Sachs Group Inc. | $3,114,351 | 03/31/2026 | |
| COST | 3,213,809 | $3,202,336 | 03/31/2026 |
| Put | 172,400 | $171,785 | 03/31/2026 |
| Call | 84,100 | $83,800 | 03/31/2026 |
| Wells Fargo & Company MN | $3,099,270 | 03/31/2026 | |
| COST | 3,111,874 | $3,100,765 | 03/31/2026 |
| Put | 1,500 | $1,495 | 03/31/2026 |
| Nuveen LLC | 3,074,057 | $3,063,083 | 03/31/2026 |
| COST | 3,074,057 | $3,063,083 | 03/31/2026 |
| UBS Asset Management Americas Inc. | 2,907,419 | $2,897,040 | 03/31/2026 |
| COST | 2,907,419 | $2,897,040 | 03/31/2026 |
| Amundi | 2,839,016 | $2,828,881 | 03/31/2026 |
| COST | 2,839,016 | $2,828,881 | 03/31/2026 |
| Alliancebernstein L.P. | 2,766,241 | $2,756,366 | 03/31/2026 |
| COST | 2,766,241 | $2,756,366 | 03/31/2026 |
| Capital International Investors | 2,749,541 | $2,739,726 | 03/31/2026 |
| COST | 2,749,541 | $2,739,726 | 03/31/2026 |
| Price T Rowe Associates Inc. MD | 2,576,040 | $2,566,845 | 03/31/2026 |
| COST | 2,576,040 | $2,566,845 | 03/31/2026 |
| Vanguard Fiduciary Trust Co. | 2,561,190 | $2,552,047 | 03/31/2026 |
| COST | 2,561,190 | $2,552,047 | 03/31/2026 |
| Legal & General Group Plc | 2,504,233 | $2,495,293 | 03/31/2026 |
| COST | 2,504,233 | $2,495,293 | 03/31/2026 |
| UBS Group AG | $2,465,065 | 03/31/2026 | |
| COST | 2,480,387 | $2,471,532 | 03/31/2026 |
| Put | 49,700 | $49,523 | 03/31/2026 |
| Call | 43,210 | $43,056 | 03/31/2026 |
| Jennison Associates LLC | 2,312,440 | $2,304,185 | 03/31/2026 |
| COST | 2,312,440 | $2,304,185 | 03/31/2026 |
| Capital World Investors | 2,034,165 | $2,026,905 | 03/31/2026 |
| COST | 2,034,165 | $2,026,905 | 03/31/2026 |
| American Century Companies Inc. | 1,806,389 | $1,799,940 | 03/31/2026 |
| COST | 1,806,389 | $1,799,940 | 03/31/2026 |
| Dimensional Fund Advisors LP | 1,684,707 | $1,678,692 | 03/31/2026 |
| COST | 1,684,707 | $1,678,692 | 03/31/2026 |
| Ameriprise Financial Inc. | 1,446,010 | $1,443,371 | 03/31/2026 |
| COST | 1,446,010 | $1,443,371 | 03/31/2026 |
| Franklin Resources Inc. | 1,438,786 | $1,433,650 | 03/31/2026 |
| COST | 1,438,786 | $1,433,650 | 03/31/2026 |
| Raymond James Financial Inc. | $1,398,686 | 03/31/2026 | |
| COST | 1,403,778 | $1,398,769 | 03/31/2026 |
| Put | 100 | $83 | 03/31/2026 |
| Bank of Montreal Can | $1,365,038 | 03/31/2026 | |
| COST | 1,369,928 | $1,365,038 | 03/31/2026 |
| Put | 1,500 | $1,495 | 03/31/2026 |
| Call | 1,500 | $1,495 | 03/31/2026 |
| Deutsche Bank AG | 1,353,438 | $1,348,606 | 03/31/2026 |
| COST | 1,353,438 | $1,348,606 | 03/31/2026 |
| Swiss National Bank | 1,302,660 | $1,298,010 | 03/31/2026 |
| COST | 1,302,660 | $1,298,010 | 03/31/2026 |
| Principal Financial Group Inc. | 1,140,620 | $1,136,550 | 03/31/2026 |
| COST | 1,140,620 | $1,136,550 | 03/31/2026 |
| LPL Financial LLC | $1,109,048 | 03/31/2026 | |
| COST | 1,113,122 | $1,109,148 | 03/31/2026 |
| Put | 5,100 | $5,082 | 03/31/2026 |
| Call | 5,000 | $4,982 | 03/31/2026 |
| Hsbc Holdings PLC | $1,082,967 | 03/31/2026 | |
| COST | 1,086,751 | $1,082,663 | 03/31/2026 |
| Call | 11,300 | $11,260 | 03/31/2026 |
| Put | 11,000 | $10,956 | 03/31/2026 |
| Mitsubishi UFJ Kokusai Asset Management Co. Ltd. | 1,077,949 | $1,074,101 | 03/31/2026 |
| COST | 1,077,949 | $1,074,101 | 03/31/2026 |
| Sumitomo Mitsui Trust Holdings Inc. | 1,049,993 | $1,046,245 | 03/31/2026 |
| COST | 1,049,993 | $1,046,245 | 03/31/2026 |
| AQR Capital Management LLC | 1,027,658 | $1,023,988 | 03/31/2026 |
| COST | 1,027,658 | $1,023,988 | 03/31/2026 |
| Barclays PLC | $980,300 | 03/31/2026 | |
| COST | 1,067,012 | $1,063,203 | 03/31/2026 |
| Put | 173,400 | $172,781 | 03/31/2026 |
| Call | 90,200 | $89,878 | 03/31/2026 |
| Vanguard Global Advisers LLC | 971,143 | $967,676 | 03/31/2026 |
| COST | 971,143 | $967,676 | 03/31/2026 |
| Citadel Advisors LLC | $947,102 | 03/31/2026 | |
| Call | 1,413,000 | $1,407,956 | 03/31/2026 |
| Put | 1,007,300 | $1,003,704 | 03/31/2026 |
| COST | 544,795 | $542,850 | 03/31/2026 |
| D. E. Shaw & Co. Inc. | $943,079 | 03/31/2026 | |
| COST | 885,158 | $881,998 | 03/31/2026 |
| Call | 108,000 | $107,614 | 03/31/2026 |
| Put | 46,700 | $46,533 | 03/31/2026 |
| California Public Employees Retirement System | 941,708 | $938,346 | 03/31/2026 |
| COST | 941,708 | $938,346 | 03/31/2026 |
| TD Asset Management Inc. | 937,230 | $933,884 | 03/31/2026 |
| COST | 937,230 | $933,884 | 03/31/2026 |
| National Pension Service | 933,576 | $930,243 | 03/31/2026 |
| COST | 933,576 | $930,243 | 03/31/2026 |
