COST
Costco Wholesale Corporation · Consumer Defensive · Discount Stores
Momentum inputs (comparable managers):
holder breadth -5.0% ·
share flow +1.3% ·
net new positions -5.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 184 | +1 | 256.45M | $240.04B | +5 | −3 |
| Q1 2026 | 185 | -1 | 248.86M | $247.50B | +3 | −5 |
| Q4 2025 | 185 | +1 | 272.68M | $230.44B | +2 | — |
| Q3 2025 | 26 | +1 | 146.13M | $135.22B | +1 | −1 |
| Q2 2025 | 23 | 0 | 133.88M | $132.48B | +1 | −1 |
| Q1 2025 | 20 | +1 | 45.79M | $43.27B | +1 | — |
| Q4 2024 | 19 | -1 | 44.19M | $40.47B | — | −1 |
| Q3 2024 | 19 | +1 | 25.55M | $22.62B | +1 | — |
| Q2 2024 | 18 | — | 26.66M | $22.64B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 18.09M | — | $16.57B | 0.7% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 9.74M | +2.7% | $8.90B | 0.7% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | Norges Bank ✦ (passive) | 5.66M | +2.6% | $5.18B | 0.7% | ▲ Add | 3 | SEC ↗ |
| 4 | Capital World Investors ✦ | 3.99M | +0.5% | $3.66B | 0.6% | ▲ Add | 3 | SEC ↗ |
| 5 | Fisher Asset Management ✦ | 3.08M | +1.4% | $2.82B | 1.1% | ▲ Add | 3 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 1.71M | -0.8% | $1.57B | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 7 | Adage Capital Partners ✦ | 387.19K | +3.2% | $354.78M | 0.6% | ▲ Add | 3 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 302.22K | -12.4% | $276.91M | 0.4% | ▼ Trim | 3 | SEC ↗ ×6 |
| 9 | Citadel Advisors ✦ | 270.00K | +738.0% | $247.39M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 168.90K | +1.8% | $154.76M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 11 | Wellington Management ✦ | 163.89K | -1.6% | $150.16M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | Millennium Management ✦ | 142.61K | -41.4% | $130.67M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 13 | Arrowstreet Capital ✦ | 130.40K | +28.6% | $119.48M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 123.65K | -2.8% | $113.30M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 15 | Marshall Wace ✦ | 103.08K | +5111.2% | $94.45M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 16 | Bridgewater Associates ✦ | 80.39K | -52.4% | $73.66M | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 17 | Markel Group ✦ | 39.15K | 0.0% | $35.87M | 0.3% | Held | 3 | SEC ↗ |
| 18 | Gotham Asset Management ✦ | 10.62K | -9.7% | $9.73M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 19 | GAMCO Investors ✦ | 7.03K | +0.2% | $6.44M | 0.1% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Renaissance Technologies | $27.53M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 4,198 holders, 306.58M shares, $287.82B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 2.20K sh · $2.02M
Officer · 801 sh · $733,328
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Costco's comparable sales rose sharply in September, but a Wall Street analyst says part of that surge was fueled by…
Barrons