{
  "source": "SEC EDGAR 13F filings via 13f.info",
  "note": "13F only covers US-listed securities; non-US holdings (HK/China stocks) not included",
  "quarters": [
    {
      "period": "Q4 2025",
      "filed": "2026-02-18",
      "formType": "13F-HR/A RESTATEMENT",
      "valueM": 3568.88,
      "numHoldings": 9,
      "topHoldings": [
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "weight": 22.31,
          "status": "hold"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C",
          "weight": 21.55,
          "status": "hold"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "weight": 16.08,
          "status": "hold"
        },
        {
          "ticker": "PDD",
          "name": "PDD Holdings",
          "weight": 14.64,
          "status": "hold"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "weight": 12.64,
          "status": "hold"
        },
        {
          "ticker": "EWBC",
          "name": "East West Bancorp",
          "weight": 8.74,
          "status": "hold"
        },
        {
          "ticker": "OXY",
          "name": "Occidental Petroleum",
          "weight": 1.69,
          "status": "hold"
        },
        {
          "ticker": "CROX",
          "name": "Crocs Inc",
          "weight": 1.51,
          "status": "hold"
        },
        {
          "ticker": "AAPL",
          "name": "Apple Inc",
          "weight": 0.84,
          "status": "hold"
        }
      ],
      "milestone": "Alphabet双类别合计43.9%超主权仓；PDD权重修正14.64%（原估算8.69%）；CROX新进；Sable Offshore退出",
      "holdings": [
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "value": 796052900,
          "shares": 2543300,
          "cusip": "02079K305",
          "weight": 22.31
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C",
          "value": 769217940,
          "shares": 2451300,
          "cusip": "02079K107",
          "weight": 21.55
        },
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "value": 573726285,
          "shares": 10431387,
          "cusip": "060505104",
          "weight": 16.08
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "value": 451253535,
          "shares": 897749,
          "cusip": "084670702",
          "weight": 12.64
        },
        {
          "ticker": "PDD",
          "name": "PDD Holdings",
          "value": 522501120,
          "shares": 4608000,
          "cusip": "722304102",
          "weight": 14.64
        },
        {
          "ticker": "EWBC",
          "name": "East West Bancorp",
          "value": 312034089,
          "shares": 2776351,
          "cusip": "27579R104",
          "weight": 8.74
        },
        {
          "ticker": "CROX",
          "name": "Crocs Inc",
          "value": 53720158,
          "shares": 628159,
          "cusip": "227046109",
          "weight": 1.51
        },
        {
          "ticker": "OXY",
          "name": "Occidental Petroleum",
          "value": 60302480,
          "shares": 1466500,
          "cusip": "674599105",
          "weight": 1.69
        },
        {
          "ticker": "AAPL",
          "name": "Apple Inc",
          "value": 30067716,
          "shares": 110600,
          "cusip": "037833100",
          "weight": 0.84
        }
      ]
    },
    {
      "period": "Q3 2025",
      "filed": "2025-11-12",
      "formType": "13F-HR",
      "valueM": 3230.26,
      "numHoldings": 9,
      "topHoldings": [
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "weight": 19.14,
          "status": "hold"
        },
        {
          "ticker": "PDD",
          "name": "PDD Holdings",
          "weight": 18.85,
          "status": "hold"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C",
          "weight": 18.48,
          "status": "hold"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "weight": 16.66,
          "status": "hold"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "weight": 13.97,
          "status": "hold"
        },
        {
          "ticker": "EWBC",
          "name": "East West Bancorp",
          "weight": 9.15,
          "status": "hold"
        },
        {
          "ticker": "OXY",
          "name": "Occidental Petroleum",
          "weight": 2.15,
          "status": "hold"
        },
        {
          "ticker": "AAPL",
          "name": "Apple Inc",
          "weight": 0.87,
          "status": "hold"
        },
        {
          "ticker": "SABL",
          "name": "Sable Offshore Corp",
          "weight": 0.73,
          "status": "hold"
        }
      ],
      "milestone": "OXY首次出现在13F；Sable Offshore新进；PDD双类别均持有",
      "holdings": [
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "value": 618276230,
          "shares": 2543300,
          "cusip": "02079K305",
          "weight": 19.14
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C",
          "value": 597014115,
          "shares": 2451300,
          "cusip": "02079K107",
          "weight": 18.48
        },
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "value": 538155255,
          "shares": 10431387,
          "cusip": "060505104",
          "weight": 16.66
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "value": 451334332,
          "shares": 897749,
          "cusip": "084670702",
          "weight": 13.97
        },
        {
          "ticker": "PDD",
          "name": "PDD Holdings",
          "value": 609039360,
          "shares": 4608000,
          "cusip": "722304102",
          "weight": 18.85
        },
        {
          "ticker": "EWBC",
          "name": "East West Bancorp",
          "value": 295542564,
          "shares": 2776351,
          "cusip": "27579R104",
          "weight": 9.15
        },
        {
          "ticker": "SABL",
          "name": "Sable Offshore Corp",
          "value": 23448780,
          "shares": 1343000,
          "cusip": "78574H104",
          "weight": 0.73
        },
        {
          "ticker": "OXY",
          "name": "Occidental Petroleum",
          "value": 69292125,
          "shares": 1466500,
          "cusip": "674599105",
          "weight": 2.15
        },
        {
          "ticker": "AAPL",
          "name": "Apple Inc",
          "value": 28162078,
          "shares": 110600,
          "cusip": "037833100",
          "weight": 0.87
        }
      ]
    },
    {
      "period": "Q2 2025",
      "filed": "2025-08-14",
      "formType": "13F-HR",
      "valueM": 2689.2,
      "numHoldings": 9,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "status": "hold"
        },
        {
          "ticker": "OXY",
          "name": "Occidental Petroleum",
          "status": "hold"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "status": "hold"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "status": "hold"
        }
      ],
      "milestone": "持仓数量增至9个，OXY持续增持"
    },
    {
      "period": "Q1 2025",
      "filed": "2025-05-15",
      "formType": "13F-HR",
      "valueM": 2212.44,
      "numHoldings": 8,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America",
          "status": "hold"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B",
          "status": "hold"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A",
          "status": "hold"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C",
          "status": "hold"
        }
      ],
      "milestone": "PDD退出前五，OXY加入"
    },
    {
      "period": "Q4 2024",
      "filed": "2025-02-14",
      "formType": "13F-HR",
      "valueM": 2711.38,
      "numHoldings": 8,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "Alphabet双类别股权结构稳定"
    },
    {
      "period": "Q3 2024",
      "filed": "2024-11-14",
      "formType": "13F-HR",
      "valueM": 2472.45,
      "numHoldings": 8,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": null
    },
    {
      "period": "Q2 2024",
      "filed": "2024-08-14",
      "formType": "13F-HR",
      "valueM": 2561.62,
      "numHoldings": 7,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "MU从13F中消失"
    },
    {
      "period": "Q1 2024",
      "filed": "2024-05-15",
      "formType": "13F-HR",
      "valueM": 2260.39,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": null
    },
    {
      "period": "Q4 2023",
      "filed": "2024-02-14",
      "formType": "13F-HR",
      "valueM": 2059.25,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "Alphabet首次超越BAC成为最大持仓"
    },
    {
      "period": "Q3 2023",
      "filed": "2023-11-14",
      "formType": "13F-HR",
      "valueM": 1820.1,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": null
    },
    {
      "period": "Q2 2023",
      "filed": "2023-08-14",
      "formType": "13F-HR",
      "valueM": 1791.45,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        },
        {
          "ticker": "GOOGL",
          "name": "Alphabet Inc-CL A"
        }
      ],
      "milestone": "META进入持仓（PDD未在Q2 2023前五持仓中）"
    },
    {
      "period": "Q1 2023",
      "filed": "2023-05-15",
      "formType": "13F-HR",
      "valueM": 2039.3,
      "numHoldings": 7,
      "topHoldings": [
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "PDD重新出现在13F持仓（13F数据显示PDD在持仓中，具体权重待查）"
    },
    {
      "period": "Q4 2022",
      "filed": "2023-02-14",
      "formType": "13F-HR",
      "valueM": 1927.22,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": "MU为最大持仓(约占20%+)，科技股暴跌中坚守"
    },
    {
      "period": "Q3 2022",
      "filed": "2022-11-14",
      "formType": "13F-HR",
      "valueM": 1743.55,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "加息周期冲击科技股"
    },
    {
      "period": "Q2 2022",
      "filed": "2022-08-15",
      "formType": "13F-HR",
      "valueM": 1873.7,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": null
    },
    {
      "period": "Q1 2022",
      "filed": "2022-05-16",
      "formType": "13F-HR",
      "valueM": 2379.39,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": "MU为最大仓，科技股全面下跌前夜"
    },
    {
      "period": "Q4 2021",
      "filed": "2022-02-14",
      "formType": "13F-HR",
      "valueM": 2664.59,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        }
      ],
      "milestone": "META进入持仓，PDD已退出"
    },
    {
      "period": "Q3 2021",
      "filed": "2021-11-15",
      "formType": "13F-HR",
      "valueM": 2147.97,
      "numHoldings": 7,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "BRK.B",
          "name": "Berkshire Hathaway B"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": null
    },
    {
      "period": "Q2 2021",
      "filed": "2021-08-13",
      "formType": "13F-HR",
      "valueM": 2049.39,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        }
      ],
      "milestone": "META首次建仓"
    },
    {
      "period": "Q1 2021",
      "filed": "2021-05-17",
      "formType": "13F-HR",
      "valueM": 1978.26,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        }
      ],
      "milestone": "PDD仍在持仓"
    },
    {
      "period": "Q4 2020",
      "filed": "2021-02-16",
      "formType": "13F-HR",
      "valueM": 1815.52,
      "numHoldings": 6,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": "GOOG首次出现(字母表双股权结构初期)"
    },
    {
      "period": "Q3 2020",
      "filed": "2020-11-16",
      "formType": "13F-HR",
      "valueM": 1311.49,
      "numHoldings": 4,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": "PDD清仓，META首次出现"
    },
    {
      "period": "Q2 2020",
      "filed": "2020-08-17",
      "formType": "13F-HR",
      "valueM": 1063.75,
      "numHoldings": 4,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "META",
          "name": "Meta Platforms"
        },
        {
          "ticker": "GOOG",
          "name": "Alphabet Inc-CL C"
        }
      ],
      "milestone": "GOOG首次建仓(2020年Q2 COVID恐慌期)"
    },
    {
      "period": "Q1 2020",
      "filed": "2020-05-14",
      "formType": "13F-HR",
      "valueM": 713.21,
      "numHoldings": 3,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology"
        },
        {
          "ticker": "BAC",
          "name": "Bank of America"
        },
        {
          "ticker": "BABA",
          "name": "Alibaba Group"
        }
      ],
      "milestone": "BAC首次建仓(2020年Q1 COVID恐慌期~$22-24)"
    },
    {
      "period": "Q4 2019",
      "filed": "2020-02-14",
      "formType": "13F-HR",
      "valueM": 420.26,
      "numHoldings": 1,
      "topHoldings": [
        {
          "ticker": "MU",
          "name": "Micron Technology",
          "status": "hold"
        }
      ],
      "milestone": "MU首次成为唯一持仓；PDD清仓完毕"
    },
    {
      "period": "Q3 2018",
      "filed": "2018-11-14",
      "formType": "13F-HR",
      "valueM": 10.06,
      "numHoldings": 2,
      "topHoldings": [
        {
          "ticker": "BABA",
          "name": "Alibaba Group"
        },
        {
          "ticker": "BIDU",
          "name": "Baidu Inc"
        }
      ],
      "milestone": "专注中国概念股时期"
    },
    {
      "period": "Q1 2018",
      "filed": "2018-05-16",
      "formType": "13F-HR",
      "valueM": 17.1,
      "numHoldings": 4,
      "topHoldings": [
        {
          "ticker": "BABA",
          "name": "Alibaba Group"
        },
        {
          "ticker": "SINA",
          "name": "Sina Corp"
        },
        {
          "ticker": "BIDU",
          "name": "Baidu Inc"
        },
        {
          "ticker": "WB",
          "name": "Weibo Corp"
        }
      ],
      "milestone": "持仓最分散期(4个中概股)"
    },
    {
      "period": "Q1 2017",
      "filed": "2017-06-14",
      "formType": "13F-HR",
      "valueM": 117.59,
      "numHoldings": 2,
      "topHoldings": [
        {
          "ticker": "BIDU",
          "name": "Baidu Inc"
        },
        {
          "ticker": "SINA",
          "name": "Sina Corp"
        }
      ],
      "milestone": "13F最早披露：百度+新浪"
    }
  ]
}