Berkshire Hathaway

Data sourced from SEC Form 13F filings. Institutional investment managers with $100M+ in assets under management are required to file quarterly. Limitations: (1) Self-reported by managers; errors are possible. (2) Data lags by up to 45 days after quarter-end. (3) Confidential treatment omissions may exclude sensitive positions. (4) Shows long positions only; no short positions. (5) Options are displayed at underlying notional value. Returns and Sharpe ratios shown are estimates reconstructed from disclosed holdings and historical pricing, not actual fund performance. For investment decisions, consult a qualified advisor and verify data from original SEC filings.