BRK-B
Berkshire Hathaway Inc. · Financial Services · Insurance - Diversified
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.6% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 182 | 0 | 713.71M | $356.94B | +3 | −5 |
| Q1 2026 | 187 | +1 | 714.06M | $342.13B | +4 | −4 |
| Q4 2025 | 185 | 0 | 754.93M | $377.49B | +1 | — |
| Q3 2025 | 29 | +2 | 493.83M | $248.21B | +2 | −1 |
| Q2 2025 | 25 | 0 | 439.59M | $213.47B | — | — |
| Q1 2025 | 22 | -1 | 156.92M | $83.52B | — | −1 |
| Q4 2024 | 23 | 0 | 155.13M | $70.29B | — | — |
| Q3 2024 | 22 | -1 | 85.95M | $39.51B | +1 | −2 |
| Q2 2024 | 23 | — | 90.81M | $36.91B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 153.12M | — | $74.38B | 1.2% | n/c | 1 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 113.52M | — | $55.15B | 1.1% | n/c | 1 | SEC ↗ ×22 |
| 3 | State Street Global Advisors ✦ (passive) | 72.46M | +0.3% | $35.20B | 1.3% | ▲ Add | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 39.90M | +1.4% | $19.32B | 1.4% | ▲ Add | 5 | SEC ↗ ×2 |
| 5 | Gates Foundation Trust ✦ | 24.12M | +40.5% | $11.72B | 24.5% | ▲ Add | 5 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 10.22M | -8.3% | $4.96B | 0.6% | ▼ Trim | 5 | SEC ↗ ×2 |
| 7 | Fidelity (FMR) ✦ | 8.97M | — | $4.36B | 0.2% | n/c | 1 | SEC ↗ ×7 |
| 8 | Norges Bank ✦ (passive) | 7.38M | +2.0% | $3.58B | 0.4% | ▲ Add | 5 | SEC ↗ |
| 9 | Wellington Management ✦ | 1.91M | -18.9% | $929.20M | 0.2% | ▼ Trim | 5 | SEC ↗ ×9 |
| 10 | Adage Capital Partners ✦ | 1.66M | +4.7% | $807.24M | 1.4% | ▲ Add | 5 | SEC ↗ |
| 11 | Markel Group ✦ | 1.53M | 0.0% | $744.19M | 6.3% | Held | 5 | SEC ↗ ×2 |
| 12 | AQR Capital Management ✦ | 1.09M | +6.0% | $530.17M | 0.4% | ▲ Add | 5 | SEC ↗ ×7 |
| 13 | Arrowstreet Capital ✦ | 1.05M | -1.4% | $508.65M | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 14 | Himalaya Capital ✦ | 897.75K | 0.0% | $436.10M | 16.2% | Held | 5 | SEC ↗ |
| 15 | D. E. Shaw & Co. ✦ | 686.78K | +101.8% | $333.62M | 0.4% | ▲ Add | 5 | SEC ↗ ×2 |
| 16 | Citadel Advisors ✦ | 273.55K | +1188.2% | $132.88M | 0.1% | ▲ Add | 5 | SEC ↗ ×2 |
| 17 | Marshall Wace ✦ | 235.13K | +710.0% | $114.22M | 0.1% | ▲ Add | 5 | SEC ↗ ×3 |
| 18 | Millennium Management ✦ | 189.12K | -66.7% | $91.87M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 19 | Tweedy, Browne ✦ | 101.50K | +12.8% | $49.31M | 4.6% | ▲ Add | 5 | SEC ↗ |
| 20 | Gotham Asset Management ✦ | 97.98K | +1.2% | $47.60M | 0.3% | ▲ Add | 5 | SEC ↗ |
| 21 | GAMCO Investors ✦ | 85.87K | +2.8% | $41.71M | 0.4% | ▲ Add | 5 | SEC ↗ |
| 22 | Fisher Asset Management ✦ | 36.01K | +1.2% | $17.49M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Harris Associates (Oakmark) ✦ | 27.70K | -3.4% | $13.46M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Dodge & Cox ✦ | 12.74K | 0.0% | $6.19M | 0.0% | Held | 5 | SEC ↗ |
| 25 | Renaissance Technologies ✦ | 3.27K | +60.5% | $1.59M | 0.0% | ▲ Add | 5 | 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
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 4,794 holders, 892.44M shares, $414.66B 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.