{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY79時点では日本生命8.45%・第一生命7.45%・富国生命7.24%など生命保険会社が上位を占め、富士銀行4.06%や創業家の根津嘉一郎氏1.51%が続く生保・銀行中心の構造だった。",
        "FY24は日本マスタートラスト信託銀行15.63%・日本カストディ銀行4.99%の信託2口が突出し、富国生命2.61%を残しつつも生保比率は大きく低下、信託主導の機関化構造へ変化している。"
      ]
    }
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.92,
      "shares_held": 53017000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口)",
      "shareholding_ratio": 3.91,
      "shares_held": 42097000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.43,
      "shares_held": 26178000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.16,
      "shares_held": 23266000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.78,
      "shares_held": 19161000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.64,
      "shares_held": 17712000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 17523000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口７)",
      "shareholding_ratio": 1.3,
      "shares_held": 14067000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口９)",
      "shareholding_ratio": 1.22,
      "shares_held": 13144000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "株式会社埼玉りそな銀行",
      "shareholding_ratio": 1.18,
      "shares_held": 12708000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.36,
      "shares_held": 57662000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.3,
      "shares_held": 46324000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.43,
      "shares_held": 26178000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.16,
      "shares_held": 23266000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口５）",
      "shareholding_ratio": 1.82,
      "shares_held": 19634000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.64,
      "shares_held": 17709000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 1.62,
      "shares_held": 17523000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "STATE STREET BANK WEST CLIENT- TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.6,
      "shares_held": 17282000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口７）",
      "shareholding_ratio": 1.34,
      "shares_held": 14448000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口１）",
      "shareholding_ratio": 1.34,
      "shares_held": 14445000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 6.13,
      "shares_held": 12957000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.39,
      "shares_held": 9278000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 5235000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.26,
      "shares_held": 4776000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.2,
      "shares_held": 4653000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口５)",
      "shareholding_ratio": 1.93,
      "shares_held": 4083000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 1.65,
      "shares_held": 3504000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.5,
      "shares_held": 3187000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口１)",
      "shareholding_ratio": 1.43,
      "shares_held": 3025000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口２)",
      "shareholding_ratio": 1.39,
      "shares_held": 2952000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 7.21,
      "shares_held": 15250000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.3,
      "shares_held": 9092000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 5235000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.2,
      "shares_held": 4653000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.04,
      "shares_held": 4330000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口５)",
      "shareholding_ratio": 1.95,
      "shares_held": 4136000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385151",
      "shareholding_ratio": 1.54,
      "shares_held": 3263000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.5,
      "shares_held": 3187000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.49,
      "shares_held": 3154000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口１)",
      "shareholding_ratio": 1.3,
      "shares_held": 2765000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 8.26,
      "shares_held": 17255000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口)",
      "shareholding_ratio": 3.97,
      "shares_held": 8305000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.5,
      "shares_held": 5235000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.22,
      "shares_held": 4653000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.12,
      "shares_held": 4441000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口５)",
      "shareholding_ratio": 2.05,
      "shares_held": 4292000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385151（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.7,
      "shares_held": 3564000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.52,
      "shares_held": 3187000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社(信託口７)",
      "shareholding_ratio": 1.51,
      "shares_held": 3169000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.34,
      "shares_held": 2803000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 9.65,
      "shares_held": 20146000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 4.47,
      "shares_held": 9351000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.5,
      "shares_held": 5235000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.22,
      "shares_held": 4653000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.92,
      "shares_held": 4026000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行(信託口５)",
      "shareholding_ratio": 1.53,
      "shares_held": 3196000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.52,
      "shares_held": 3187000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行(信託口６)",
      "shareholding_ratio": 1.35,
      "shares_held": 2832000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社日本カストディ銀行(信託口７)",
      "shareholding_ratio": 1.25,
      "shares_held": 2627000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社埼玉りそな銀行",
      "shareholding_ratio": 1.21,
      "shares_held": 2541000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 15.57,
      "shares_held": 32519000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 4.08,
      "shares_held": 8534000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.5,
      "shares_held": 5235000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 2.22,
      "shares_held": 4653000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.84,
      "shares_held": 3849000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.52,
      "shares_held": 3187000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385781（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.27,
      "shares_held": 2660000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "株式会社埼玉りそな銀行",
      "shareholding_ratio": 1.21,
      "shares_held": 2541000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "株式会社三菱ＵＦＪ銀行",
      "shareholding_ratio": 1.17,
      "shares_held": 2453000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 0.88,
      "shares_held": 1850000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 15.62,
      "shares_held": 32312000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 5.42,
      "shares_held": 11225000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.53,
      "shares_held": 5235000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.24,
      "shares_held": 4642000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.87,
      "shares_held": 3877000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 1.54,
      "shares_held": 3187000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "JP MORGAN CHASE BANK 385781（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.31,
      "shares_held": 2728000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "株式会社埼玉りそな銀行",
      "shareholding_ratio": 1.14,
      "shares_held": 2371000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "STATE STREET BANK AND TRUST COMPANY 505103（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 0.99,
      "shares_held": 2048000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "東日本旅客鉄道株式会社",
      "shareholding_ratio": 0.97,
      "shares_held": 2024000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 15.35,
      "shares_held": 31838000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 2,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 5.19,
      "shares_held": 10776000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "富国生命保険相互会社",
      "shareholding_ratio": 2.52,
      "shares_held": 5235000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "STATE STREET BANK WEST CLIENT - TREATY 505234（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 2.38,
      "shares_held": 4945000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
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      "shares_held": 25226031,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 4,
      "name": "富士銀行",
      "shareholding_ratio": 4.13,
      "shares_held": 14699836,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 5,
      "name": "三菱銀行",
      "shareholding_ratio": 2.79,
      "shares_held": 9922132,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 6,
      "name": "三井信託銀行",
      "shareholding_ratio": 1.78,
      "shares_held": 6331210,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 7,
      "name": "根津嘉一郎",
      "shareholding_ratio": 1.54,
      "shares_held": 5493998,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 8,
      "name": "明治生命保険",
      "shareholding_ratio": 1.46,
      "shares_held": 5186832,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 9,
      "name": "丸紅",
      "shareholding_ratio": 1.41,
      "shares_held": 5001000,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1975/3",
      "company_name_at_period": "東武鉄道",
      "rank": 10,
      "name": "住友生命保険",
      "shareholding_ratio": 1.39,
      "shares_held": 4943772,
      "total_shares": 356000000,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 1,
      "name": "日本生命保険",
      "shareholding_ratio": 8.45,
      "shares_held": 32505000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 2,
      "name": "第一生命保険",
      "shareholding_ratio": 7.45,
      "shares_held": 28644000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 3,
      "name": "富国生命保険",
      "shareholding_ratio": 7.24,
      "shares_held": 27823000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 4,
      "name": "富士銀行",
      "shareholding_ratio": 4.06,
      "shares_held": 15595000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 5,
      "name": "三菱銀行",
      "shareholding_ratio": 2.74,
      "shares_held": 10527000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 6,
      "name": "三井信託銀行",
      "shareholding_ratio": 2.54,
      "shares_held": 9760000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 7,
      "name": "太陽生命保険",
      "shareholding_ratio": 1.74,
      "shares_held": 6695000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 8,
      "name": "明治生命保険",
      "shareholding_ratio": 1.69,
      "shares_held": 6502000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 9,
      "name": "根津嘉一郎",
      "shareholding_ratio": 1.51,
      "shares_held": 5819000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "東武鉄道",
      "rank": 10,
      "name": "住友生命保険",
      "shareholding_ratio": 1.45,
      "shares_held": 5578000,
      "total_shares": 384517000,
      "source": "企業系列総覧 1981年版"
    }
  ]
}
