COST fund manager activity
Costco Wholesale Corporation · Nasdaq. Reported by 19 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.
Q1 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Ron Baron - Baron Capital | Trimmed | 6,349 | $6,004,757 | 0.02% | May 15, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 3,131,239 | $2,961,463,421 | 1.28% | May 14, 2025 |
| Jeremy Grantham - GMO | Added | 2,101 | $1,987,084 | 0.01% | May 14, 2025 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 4,637 | $4,386,010 | 0.05% | May 13, 2025 |
| Francois Rochon - Giverny Capital | No change | 240 | $226,987 | 0.01% | Aug 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 11,443 | $10,822,561 | 0.09% | May 15, 2025 |
| Mairs & Power Funds | Trimmed | 2,700 | $2,553,606 | 0.03% | May 15, 2025 |
| Thomas Gayner - Markel Group | No change | 39,150 | $37,027,287 | 0.33% | May 2, 2025 |
| David Katz - Matrix Asset Advisors | Trimmed | 573 | $542,075 | 0.06% | Apr 22, 2025 |
| Lee Ainslie - Maverick Capital | Added | 11,415 | $10,796,079 | 0.19% | May 15, 2025 |
| Christopher Bloomstran - Semper Augustus | Trimmed | 4,245 | $4,014,836 | 0.65% | May 15, 2025 |
| Torray Funds | No change | 643 | $608,137 | 0.09% | May 8, 2025 |
Q4 2024
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|---|---|---|---|---|
| Ron Baron - Baron Capital | No change | 7,370 | $6,752,910 | 0.02% | Feb 14, 2025 |
| Ken Fisher - Fisher Asset Management | Added | 3,077,905 | $2,820,193,158 | 1.12% | Feb 5, 2025 |
| Jeremy Grantham - GMO | Trimmed | 1,361 | $1,246,689 | 0.00% | Feb 13, 2025 |
| Thomas Russo - Gardner Russo & Quinn | Trimmed | 5,397 | $4,945,436 | 0.06% | Feb 12, 2025 |
| Francois Rochon - Giverny Capital | No change | 240 | $219,905 | 0.01% | Aug 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 10,623 | $9,733,536 | 0.09% | Feb 14, 2025 |
| Mairs & Power Funds | Trimmed | 2,739 | $2,509,664 | 0.02% | Feb 14, 2025 |
| Thomas Gayner - Markel Group | No change | 39,150 | $35,871,971 | 0.32% | Feb 7, 2025 |
| David Katz - Matrix Asset Advisors | Added | 894 | $819,145 | 0.09% | Jan 22, 2025 |
| Lee Ainslie - Maverick Capital | Added | 2,405 | $2,203,629 | 0.04% | Feb 14, 2025 |
| Christopher Bloomstran - Semper Augustus | Added | 4,350 | $3,985,775 | 0.71% | Feb 14, 2025 |
| Torray Funds | No change | 643 | $589,162 | 0.08% | Feb 6, 2025 |