{  "cik": "0001067983",  "name": "Berkshire Hathaway Inc",  "period": "2025-Q3",  "total_value": 266_341_000_000,  "holdings_count": 41,  "top_holdings": [    {      "ticker": "AAPL",      "shares": 300_000_000,      "value": 69_900_000_000,      "weight": "26.2%"    },    {      "ticker": "BAC",      "shares": 680_233_587,      "value": 28_358_000_000,      "weight": "10.6%"    },    {      "ticker": "AXP",      "shares": 151_610_700,      "value": 44_985_000_000,      "weight": "16.9%"    }  ]}