American Trust Investment Advisors, LLC
CIK: 0001291424SEC EDGAR →
Portfolio Value
$187.0B
Holdings
77
As of
Q4 2025
New Positions
12
Closed Positions
12
Portfolio Value History
Top 10 Holdings
| Rank | Stock | Shares | Value | % of Portfolio |
|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | 27,103 | $13.6B | 7.28% |
| 2 | APPLE INC | 34,042 | $9.3B | 4.95% |
| 3 | LAM RESEARCH CORP | 47,144 | $8.1B | 4.32% |
| 4 | MICROSOFT CORP | 15,460 | $7.5B | 4.00% |
| 5 | CONSTELLATION ENERGY CORP | 20,211 | $7.1B | 3.82% |
| 6 | INTERNATIONAL BUSINESS MACHS | 23,695 | $7.0B | 3.75% |
| 7 | META PLATFORMS INC | 9,468 | $6.2B | 3.34% |
| 8 | BUNGE GLOBAL SA | 66,791 | $5.9B | 3.18% |
| 9 | CITIGROUP INC | 49,935 | $5.8B | 3.12% |
| 10 | SONY GROUP CORP | 222,357 | $5.7B | 3.04% |
Quarterly Changes
Top Buys
Sector Breakdown
| Sector | # Holdings | Value | % |
|---|---|---|---|
| Technology | 12 | $48.3B | 25.8% |
| Industrials | 13 | $25.4B | 13.6% |
| Unknown | 5 | $20.6B | 11.0% |
| Communication Services | 7 | $20.3B | 10.9% |
| Consumer Cyclical | 9 | $18.0B | 9.6% |
| Utilities | 6 | $12.8B | 6.8% |
| Financial Services | 8 | $12.7B | 6.8% |
| Consumer Defensive | 4 | $10.0B | 5.3% |
| Energy | 5 | $8.2B | 4.4% |
| Real Estate | 2 | $5.6B | 3.0% |
| Basic Materials | 3 | $3.7B | 2.0% |
| Healthcare | 3 | $1.5B | 0.8% |