13F Copycat

{
  "id": "13f-copycat-multi-manager-2026-03-31:view:any:berkshire-hathaway",
  "pack": "13f-copycat",
  "version": "multi-manager-2026-03-31-v0.1",
  "asOf": "2026-05-15",
  "sourceSummary": {
    "sourceType": "SEC_13F",
    "sample": false,
    "description": "Berkshire Hathaway 13F view showing all mapped ticker-level changes touched by the selected manager set with source records, ethos scoring, and policy checks recalculated for this selection.",
    "filingCount": 2,
    "sourceUrls": [
      "https://www.sec.gov/Archives/edgar/data/1067983/000119312526226661/53405.xml",
      "https://www.sec.gov/Archives/edgar/data/1067983/000119312526054580/50240.xml"
    ],
    "freshnessNotes": [
      "Latest filing dates: Berkshire Hathaway 2026-05-15; Pershing Square Capital Management 2026-05-15; Duquesne Family Office 2026-05-15",
      "Report quarter/date: 2026-03-31",
      "13F filings can lag quarter-end by up to 45 days."
    ],
    "limitations": [
      "Derived manager-selection view from multi-manager-2026-03-31-v0.1; no separate JSON artifact is generated for this combination.",
      "Read-only research artifact. No execution, custody, or personalized advice.",
      "Multi-manager rows aggregate manager-level 13F changes by ticker; individual filing records remain attached as source IDs.",
      "CUSIP-to-ticker mapping resolved through openfigi-v3:115.",
      "Fundamental context combines SEC Company Facts financial metrics with fixture thematic/valuation fields for demo scoring (sec-company-facts-v0.1:101, fixture-fundamentals-v0.2:31).",
      "All selected raw change candidates mapped to tickers."
    ]
  },
  "inputs": [
    {
      "id": "0001193125-26-226661",
      "type": "13F-HR",
      "cik": "1067983",
      "managerName": "Berkshire Hathaway",
      "accessionNumber": "0001193125-26-226661",
      "filedAt": "2026-05-15",
      "reportQuarter": "2026-03-31",
      "sourceUrl": "https://www.sec.gov/Archives/edgar/data/1067983/000119312526226661/53405.xml"
    },
    {
      "id": "0001193125-26-054580",
      "type": "13F-HR",
      "cik": "1067983",
      "managerName": "Berkshire Hathaway",
      "accessionNumber": "0001193125-26-054580",
      "filedAt": "2026-02-17",
      "reportQuarter": "2025-12-31",
      "sourceUrl": "https://www.sec.gov/Archives/edgar/data/1067983/000119312526054580/50240.xml"
    }
  ],
  "managers": [
    {
      "id": "berkshire-hathaway",
      "name": "Berkshire Hathaway",
      "cik": "1067983",
      "latestSourceId": "0001193125-26-226661",
      "previousSourceId": "0001193125-26-054580",
      "latestFiledAt": "2026-05-15",
      "previousFiledAt": "2026-02-17",
      "reportQuarter": "2026-03-31",
      "holdingCount": 90,
      "portfolioMarketValueUsd": 263095703570,
      "previousPortfolioMarketValueUsd": 274160086701
    }
  ],
  "view": {
    "mode": "any",
    "managerIds": [
      "berkshire-hathaway"
    ],
    "managerCount": 1,
    "derivedFromId": "13f-copycat-multi-manager-2026-03-31",
    "description": "Berkshire Hathaway 13F view showing all mapped ticker-level changes touched by the selected manager set with source records, ethos scoring, and policy checks recalculated for this selection."
  },
  "managerChanges": [
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "GOOGL",
      "issuerName": "ALPHABET INC-CL A",
      "action": "added",
      "currentWeightPct": 5.93,
      "previousWeightPct": 2.04,
      "weightChangePct": 3.89,
      "currentMarketValueUsd": 15600071913,
      "previousMarketValueUsd": 5585842446,
      "currentShares": 54249798,
      "previousShares": 17846142,
      "shareChange": 36403656,
      "marketValueChangeUsd": 10014229467,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "candidate",
      "convictionSignals": [
        "Berkshire Hathaway added 36,403,656 shares",
        "Current 13F weight 5.93%",
        "Market-value change $10.0B"
      ],
      "summary": "Berkshire Hathaway added ALPHABET INC-CL A (GOOGL) by 36,403,656 shares. Current 13F weight is 5.93%. SignalPack scores this change through selected ethos lenses before any handoff."
    },
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "BAC",
      "issuerName": "BANK OF AMERICA CORP",
      "action": "reduced",
      "currentWeightPct": 9.52,
      "previousWeightPct": 10.38,
      "weightChangePct": -0.86,
      "currentMarketValueUsd": 25039178044,
      "previousMarketValueUsd": 28451276370,
      "currentShares": 513624165,
      "previousShares": 517295934,
      "shareChange": -3671769,
      "marketValueChangeUsd": -3412098326,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "convictionSignals": [
        "Berkshire Hathaway reduced 3,671,769 shares",
        "Current 13F weight 9.52%",
        "Market-value change -$3.4B"
      ],
      "summary": "Berkshire Hathaway reduced BANK OF AMERICA CORP (BAC) by 3,671,769 shares. Current 13F weight is 9.52%. SignalPack scores this change through selected ethos lenses before any handoff."
    },
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "V",
      "issuerName": "VISA INC-CLASS A SHARES",
      "action": "exited",
      "currentWeightPct": 0,
      "previousWeightPct": 1.06,
      "weightChangePct": -1.06,
      "currentMarketValueUsd": 0,
      "previousMarketValueUsd": 2910002197,
      "currentShares": 0,
      "previousShares": 8297460,
      "shareChange": -8297460,
      "marketValueChangeUsd": -2910002197,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "convictionSignals": [
        "Berkshire Hathaway exited 8,297,460 shares",
        "Current 13F weight 0%",
        "Market-value change -$2.9B"
      ],
      "summary": "Berkshire Hathaway exited VISA INC-CLASS A SHARES (V) by 8,297,460 shares. Current 13F weight is 0%. SignalPack scores this change through selected ethos lenses before any handoff."
    },
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "DAL",
      "issuerName": "DELTA AIR LINES INC",
      "action": "new",
      "currentWeightPct": 1.01,
      "previousWeightPct": 0,
      "weightChangePct": 1.01,
      "currentMarketValueUsd": 2646532635,
      "previousMarketValueUsd": 0,
      "currentShares": 39809456,
      "previousShares": 0,
      "shareChange": 39809456,
      "marketValueChangeUsd": 2646532635,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "candidate",
      "convictionSignals": [
        "Berkshire Hathaway new 39,809,456 shares",
        "Current 13F weight 1.01%",
        "Market-value change $2.6B"
      ],
      "summary": "Berkshire Hathaway new DELTA AIR LINES INC (DAL) by 39,809,456 shares. Current 13F weight is 1.01%. SignalPack scores this change through selected ethos lenses before any handoff."
    },
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "CVX",
      "issuerName": "CHEVRON CORP",
      "action": "reduced",
      "currentWeightPct": 6.64,
      "previousWeightPct": 7.24,
      "weightChangePct": -0.6,
      "currentMarketValueUsd": 17457364606,
      "previousMarketValueUsd": 19837131131,
      "currentShares": 84375856,
      "previousShares": 130156362,
      "shareChange": -45780506,
      "marketValueChangeUsd": -2379766525,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "convictionSignals": [
        "Berkshire Hathaway reduced 45,780,506 shares",
        "Current 13F weight 6.64%",
        "Market-value change -$2.4B"
      ],
      "summary": "Berkshire Hathaway reduced CHEVRON CORP (CVX) by 45,780,506 shares. Current 13F weight is 6.64%. SignalPack scores this change through selected ethos lenses before any handoff."
    },
    {
      "managerId": "berkshire-hathaway",
      "managerName": "Berkshire Hathaway",
      "ticker": "MA",
      "issuerName": "MASTERCARD INC - A",
      "action": "exited",
      "currentWeightPct": 0,
      "previousWeightPct": 0.83,
      "weightChangePct": -0.83,
      "currentMarketValueUsd": 0,
      "previousMarketValueUsd": 2275897610,
      "currentShares": 0,
      "previousShares": 3986648,
      "shareChange": -3986648,
      "marketValueChangeUsd": -2275897610,
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "convictionSignals": [
        "Berkshire Hathaway exited 3,986,648 shares",
        "Current 13F weight 0%",
        "Market-value change -$2.3B"
      ],
      "summary": "Berkshire Hathaway exited MASTERCARD INC - A (MA) by 3,986,648 shares. Current 13F weight is 0%. SignalPack scores this change through selected ethos lenses before any handoff."
    }
  ],
  "changes": [
    {
      "ticker": "BAC",
      "issuerName": "BANK OF AMERICA CORP",
      "action": "reduced",
      "currentWeightPct": 9.52,
      "previousWeightPct": 10.38,
      "weightChangePct": -0.86,
      "currentMarketValueUsd": 25039178044,
      "previousMarketValueUsd": 28451276370,
      "filerCount": 1,
      "managerIds": [
        "berkshire-hathaway"
      ],
      "managerBreakdown": [
        {
          "managerId": "berkshire-hathaway",
          "managerName": "Berkshire Hathaway",
          "ticker": "BAC",
          "issuerName": "BANK OF AMERICA CORP",
          "action": "reduced",
          "currentWeightPct": 9.52,
          "previousWeightPct": 10.38,
          "weightChangePct": -0.86,
          "currentMarketValueUsd": 25039178044,
          "previousMarketValueUsd": 28451276370,
          "currentShares": 513624165,
          "previousShares": 517295934,
          "shareChange": -3671769,
          "marketValueChangeUsd": -3412098326,
          "sourceIds": [
            "0001193125-26-226661",
            "0001193125-26-054580"
          ],
          "reviewStatus": "warn",
          "convictionSignals": [
            "Berkshire Hathaway reduced 3,671,769 shares",
            "Current 13F weight 9.52%",
            "Market-value change -$3.4B"
          ],
          "summary": "Berkshire Hathaway reduced BANK OF AMERICA CORP (BAC) by 3,671,769 shares. Current 13F weight is 9.52%. SignalPack scores this change through selected ethos lenses before any handoff."
        }
      ],
      "convictionSignals": [
        "1 manager surfaced this ticker",
        "Manager actions: Berkshire reduced",
        "Combined current 13F weight 9.52%",
        "Aggregate market-value change -$3.4B",
        "0 positive / 1 negative manager action"
      ],
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "summary": "1 selected manager change for BANK OF AMERICA CORP (BAC): Berkshire reduced. Combined current 13F weight across selected managers is 9.52%. SignalPack scores the aggregated ticker signal through selected ethos lenses before any handoff."
    },
    {
      "ticker": "CVX",
      "issuerName": "CHEVRON CORP",
      "action": "reduced",
      "currentWeightPct": 6.64,
      "previousWeightPct": 7.24,
      "weightChangePct": -0.6,
      "currentMarketValueUsd": 17457364606,
      "previousMarketValueUsd": 19837131131,
      "filerCount": 1,
      "managerIds": [
        "berkshire-hathaway"
      ],
      "managerBreakdown": [
        {
          "managerId": "berkshire-hathaway",
          "managerName": "Berkshire Hathaway",
          "ticker": "CVX",
          "issuerName": "CHEVRON CORP",
          "action": "reduced",
          "currentWeightPct": 6.64,
          "previousWeightPct": 7.24,
          "weightChangePct": -0.6,
          "currentMarketValueUsd": 17457364606,
          "previousMarketValueUsd": 19837131131,
          "currentShares": 84375856,
          "previousShares": 130156362,
          "shareChange": -45780506,
          "marketValueChangeUsd": -2379766525,
          "sourceIds": [
            "0001193125-26-226661",
            "0001193125-26-054580"
          ],
          "reviewStatus": "warn",
          "convictionSignals": [
            "Berkshire Hathaway reduced 45,780,506 shares",
            "Current 13F weight 6.64%",
            "Market-value change -$2.4B"
          ],
          "summary": "Berkshire Hathaway reduced CHEVRON CORP (CVX) by 45,780,506 shares. Current 13F weight is 6.64%. SignalPack scores this change through selected ethos lenses before any handoff."
        }
      ],
      "convictionSignals": [
        "1 manager surfaced this ticker",
        "Manager actions: Berkshire reduced",
        "Combined current 13F weight 6.64%",
        "Aggregate market-value change -$2.4B",
        "0 positive / 1 negative manager action"
      ],
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "warn",
      "summary": "1 selected manager change for CHEVRON CORP (CVX): Berkshire reduced. Combined current 13F weight across selected managers is 6.64%. SignalPack scores the aggregated ticker signal through selected ethos lenses before any handoff."
    },
    {
      "ticker": "GOOGL",
      "issuerName": "ALPHABET INC-CL A",
      "action": "added",
      "currentWeightPct": 5.93,
      "previousWeightPct": 2.04,
      "weightChangePct": 3.89,
      "currentMarketValueUsd": 15600071913,
      "previousMarketValueUsd": 5585842446,
      "filerCount": 1,
      "managerIds": [
        "berkshire-hathaway"
      ],
      "managerBreakdown": [
        {
          "managerId": "berkshire-hathaway",
          "managerName": "Berkshire Hathaway",
          "ticker": "GOOGL",
          "issuerName": "ALPHABET INC-CL A",
          "action": "added",
          "currentWeightPct": 5.93,
          "previousWeightPct": 2.04,
          "weightChangePct": 3.89,
          "currentMarketValueUsd": 15600071913,
          "previousMarketValueUsd": 5585842446,
          "currentShares": 54249798,
          "previousShares": 17846142,
          "shareChange": 36403656,
          "marketValueChangeUsd": 10014229467,
          "sourceIds": [
            "0001193125-26-226661",
            "0001193125-26-054580"
          ],
          "reviewStatus": "candidate",
          "convictionSignals": [
            "Berkshire Hathaway added 36,403,656 shares",
            "Current 13F weight 5.93%",
            "Market-value change $10.0B"
          ],
          "summary": "Berkshire Hathaway added ALPHABET INC-CL A (GOOGL) by 36,403,656 shares. Current 13F weight is 5.93%. SignalPack scores this change through selected ethos lenses before any handoff."
        }
      ],
      "convictionSignals": [
        "1 manager surfaced this ticker",
        "Manager actions: Berkshire added",
        "Combined current 13F weight 5.93%",
        "Aggregate market-value change $10B",
        "1 positive / 0 negative manager action"
      ],
      "sourceIds": [
        "0001193125-26-226661",
        "0001193125-26-054580"
      ],
      "reviewStatus": "candidate",
      "summary": "1 selected manager change for ALPHABET INC-CL A (GOOGL): Berkshire added. Combined current 13F weight across selected managers is 5.93%. SignalPack scores the aggregated ticker signal through selected ethos lenses before any handoff."
    }
  ],
  "ethosScores": [
    {
      "ticker": "BAC",
      "ethosId": "intelligent-investor",
      "score": 4,
      "maxScore": 7,
      "status": "warn",
      "confidenceLabel": "medium",
      "passReasons": [
        "Large enough for Graham-style review",
        "Positive earnings history is long enough",
        "Long-term EPS growth clears the Graham check",
        "Valuation is within the Graham discipline band"
      ],
      "warnReasons": [
        "Current ratio is below the conservative threshold",
        "Dividend record is shorter than the Graham threshold"
      ],
      "failReasons": [
        "No meaningful margin of safety"
      ],
      "missingData": []
    },
    {
      "ticker": "BAC",
      "ethosId": "moat-builder",
      "score": 0,
      "maxScore": 6,
      "status": "fail",
      "confidenceLabel": "low",
      "passReasons": [],
      "warnReasons": [
        "ROIC is below the preferred quality threshold",
        "Moat signal is not yet convincing",
        "Owner earnings growth is modest",
        "Management quality is not a clear positive",
        "13F change is not a strong conviction signal"
      ],
      "failReasons": [
        "Leverage is too high for a quality-first thesis"
      ],
      "missingData": []
    },
    {
      "ticker": "BAC",
      "ethosId": "disruption-thesis",
      "score": 0,
      "maxScore": 5,
      "status": "fail",
      "confidenceLabel": "low",
      "passReasons": [],
      "warnReasons": [
        "TAM expansion is not a clear positive",
        "Revenue growth is below the preferred threshold",
        "Platform dynamics are not yet strong enough",
        "Network/convergence signal is weak"
      ],
      "failReasons": [
        "No clear disruptive-platform mapping"
      ],
      "missingData": []
    },
    {
      "ticker": "CVX",
      "ethosId": "intelligent-investor",
      "score": 2,
      "maxScore": 7,
      "status": "fail",
      "confidenceLabel": "low",
      "passReasons": [
        "Large enough for Graham-style review",
        "Valuation is within the Graham discipline band"
      ],
      "warnReasons": [
        "Current ratio is below the conservative threshold",
        "Dividend record is shorter than the Graham threshold",
        "Long-term EPS growth is below the target"
      ],
      "failReasons": [
        "Earnings history is not stable enough",
        "No meaningful margin of safety"
      ],
      "missingData": []
    },
    {
      "ticker": "CVX",
      "ethosId": "moat-builder",
      "score": 2,
      "maxScore": 6,
      "status": "fail",
      "confidenceLabel": "low",
      "passReasons": [
        "Leverage is acceptable for this lens",
        "Management quality clears the lens"
      ],
      "warnReasons": [
        "ROIC is below the preferred quality threshold",
        "Moat signal is not yet convincing",
        "Owner earnings growth is modest",
        "13F change is not a strong conviction signal"
      ],
      "failReasons": [],
      "missingData": []
    },
    {
      "ticker": "CVX",
      "ethosId": "disruption-thesis",
      "score": 0,
      "maxScore": 5,
      "status": "fail",
      "confidenceLabel": "low",
      "passReasons": [],
      "warnReasons": [
        "TAM expansion is not a clear positive",
        "Revenue growth is below the preferred threshold",
        "Platform dynamics are not yet strong enough",
        "Network/convergence signal is weak"
      ],
      "failReasons": [
        "No clear disruptive-platform mapping"
      ],
      "missingData": []
    }
  ],
  "policy": {
    "executionEnabled": false,
    "humanApprovalRequired": true,
    "status": "warn",
    "checks": [
      {
        "id": "execution-disabled",
        "label": "Execution",
        "status": "pass",
        "message": "SignalPack does not execute trades or connect to broker accounts."
      },
      {
        "id": "human-approval-required",
        "label": "Human approval",
        "status": "pass",
        "message": "Any downstream order draft must be approved outside SignalPack."
      },
      {
        "id": "max-position-weight",
        "label": "Max position",
        "status": "pass",
        "message": "No surfaced position exceeds the 12% policy cap."
      },
      {
        "id": "source-coverage",
        "label": "Source coverage",
        "status": "pass",
        "message": "Every surfaced change has at least one source record."
      },
      {
        "id": "ethos-failure-count",
        "label": "Ethos failures",
        "status": "warn",
        "message": "CVX, LLYVK, STZ, M, FWONK, LILA, LILAK, BATRK fails more than 2 selected ethos lenses."
      }
    ],
    "blockedReasons": []
  }
}