BERKSHIRE HATHAWAY INC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $299.3B in reported equity holdings across 29 positions. The largest holdings are AAPL (22.0%), AXP (17.1%), KO (10.9%), GOOG (9.4%), BAC (9.2%). The portfolio is concentrated in Other (79.7%), Communication Services (11.0%), Financial Services (9.2%). Data sourced from SEC EDGAR 13F filings (CIK 1067983).