BERKSHIRE HATHAWAY INC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $263.1B in reported equity holdings across 29 positions. The largest holdings are AAPL (22.0%), AXP (17.4%), KO (11.6%), BAC (9.5%), CVX (6.6%). The portfolio is concentrated in Other (83.0%), Financial Services (9.5%), Communication Services (7.5%). Data sourced from SEC EDGAR 13F filings (CIK 1067983).