Costco Wholesale (COST) Superinvestor holders
38 of the superinvestors we track hold Costco Wholesale (COST) in their latest 13F filings, $11.6B in total.
Summary
The largest holder is Ken Fisher (Fisher Investments), with $3.0B, 0.9% of the portfolio.
In their latest quarter: 1 opened a new position, 12 added, 21 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Ken Fisher Fisher Investments |
Added | 3,291,669 | $3.0B | 0.9% | Q3 2026 |
| Jennison Associates | Trimmed | 2,166,050 | $2.0B | 1.2% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 1,253,747 | $1.2B | 0.4% | Q2 2026 |
| Paul Marshall Marshall Wace |
Added | 1,174,466 | $1.1B | 0.9% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 1,006,231 | $941M | 0.7% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Trimmed | 873,316 | $817M | 0.5% | Q2 2026 |
| Acadian Acadian Asset Management |
Trimmed | 544,278 | $495M | 0.6% | Q3 2026 |
| Man Group Man Group plc |
Added | 437,789 | $410M | 0.8% | Q2 2026 |
| Arrowstreet Capital | Trimmed | 435,937 | $408M | 0.2% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 251,489 | $235M | 0.4% | Q2 2026 |
| Robert Pitts Steadfast Capital Management |
Added | 234,056 | $219M | 6.7% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 178,361 | $167M | 0.2% | Q2 2026 |
| David Vogel Voloridge Investment Management |
Trimmed | 172,825 | $162M | 0.7% | Q2 2026 |
| Brandon Haley Holocene Advisors |
New position | 142,637 | $133M | 0.3% | Q2 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Added | 87,410 | $82M | 0.2% | Q2 2026 |
| Tom Gayner Markel Group Inc. |
Trimmed | 33,748 | $31M | 0.2% | Q3 2026 |
| Hersh Cohen ClearBridge Investments |
Trimmed | 31,263 | $29M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 26,503 | $25M | 0.1% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 24,136 | $23M | 0.1% | Q2 2026 |
| Alan Howard Brevan Howard |
Added | 23,800 | $22M | 0.3% | Q2 2026 |
| First Manhattan First Manhattan Co |
Trimmed | 20,043 | $19M | 0.0% | Q2 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 19,680 | $18M | 0.1% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 16,985 | $16M | 0.3% | Q2 2026 |
| Ken Tropin Graham Capital Management |
Added | 16,688 | $16M | 0.6% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 5,569 | $5M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 5,155 | $5M | 0.0% | Q2 2026 |
| Eric Marshall Hodges Capital Management |
Trimmed | 3,889 | $4M | 0.2% | Q2 2026 |
| Tom Russo Gardner Russo & Quinn |
Trimmed | 3,399 | $3M | 0.0% | Q2 2026 |
| Chris Bloomstran Semper Augustus Investments Group |
Trimmed | 3,354 | $3M | 0.4% | Q2 2026 |
| Mairs & Power Mairs & Power Inc |
Held | 2,963 | $3M | 0.0% | Q2 2026 |
| Howard Gleicher Aristotle Capital Management |
Held | 1,245 | $1M | 0.0% | Q2 2026 |
| Alger Fred Alger Management |
Trimmed | 1,006 | $941,083 | 0.0% | Q2 2026 |
| Conestoga Conestoga Capital Advisors |
Held | 935 | $851,168 | 0.0% | Q3 2026 |
| Robert Torray Torray Investment Partners |
Trimmed | 560 | $509,790 | 0.1% | Q3 2026 |
| David Katz Matrix Asset Advisors |
Held | 551 | $501,409 | 0.0% | Q3 2026 |
| Mark Donovan Boston Partners |
Trimmed | 367 | $343,291 | 0.0% | Q2 2026 |
| Bill Nygren Harris Associates LP |
Trimmed | 358 | $334,898 | 0.0% | Q2 2026 |
| Jeremy Grantham GMO |
Added | 232 | $217,029 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 38 |
| Q1 2026 | 42 |
| Q4 2025 | 42 |
| Q3 2025 | 40 |
| Q2 2025 | 37 |
| Q1 2025 | 38 |
| Q4 2024 | 37 |
| Q3 2024 | 34 |
Questions about Costco Wholesale
Which superinvestors own Costco Wholesale?
38 of the superinvestors we track hold Costco Wholesale (COST) in their latest 13F filings, $11.6B in total. Ken Fisher, Jennison Associates, Cliff Asness, Paul Marshall, Two Sigma, David Shaw.
Who is the largest superinvestor holder of COST?
The largest holder is Ken Fisher (Fisher Investments), with $3.0B, 0.9% of the portfolio.
From Costco Wholesale's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.