{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY15時点では日本ゼオン9.59%を筆頭に、朝日生命6.43%、信託銀行2口、みずほ銀行など旧安田・芙蓉系の親密株主構造だった。",
        "FY23以降は日本ゼオン保有が10.14%→2.40%へ大幅縮減し、日本マスタートラスト信託銀行（FY25 19.01%）と日本カストディ銀行（15.86%）の信託2口に集中する構造へ移行している。"
      ]
    }
  ],
  "long_term_commentary": [
    "戦後復興期（1955年）は技術提携先の米ザ・ビー・エフ・グッドリッチを筆頭に、古河電気工業・古河鉱業の古河系事業会社と朝日生命・東京海上火災が並ぶ外資・古河系併存の構造だった。",
    "1960年から1970年代にかけてはB・F・グッドリッチが33〜35%を握る外資筆頭が続き、古河電気工業11.4%・朝日生命5.0%・古河鉱業など古河系と生損保が脇を固める安定株主構造へ移った。",
    "2000年代以降は信託2口が上位に立ち、日本ゼオン5.05%・朝日生命保険4.26%・東京海上日動火災保険を交えた機関投資家中心の構造へ再編された。"
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 1,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 9.59,
      "shares_held": 16271000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 2,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.43,
      "shares_held": 10905000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 3,
      "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": 5.47,
      "shares_held": 9278000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 4,
      "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": 9091000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.61,
      "shares_held": 6130000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 6,
      "name": "資産管理サービス信託銀行株式会社（投信受入担保口）",
      "shareholding_ratio": 1.96,
      "shares_held": 3324000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 7,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.77,
      "shares_held": 3015000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.56,
      "shares_held": 2660000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 9,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.47,
      "shares_held": 2499000
    },
    {
      "FY": "FY15",
      "period": "2015/12",
      "rank": 10,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 2464000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 1,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 9.59,
      "shares_held": 16276000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 7.08,
      "shares_held": 12019000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.43,
      "shares_held": 10905000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 4,
      "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": 5.83,
      "shares_held": 9899000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.61,
      "shares_held": 6130000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 6,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.77,
      "shares_held": 3015000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 7,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.56,
      "shares_held": 2660000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 8,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.47,
      "shares_held": 2499000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 9,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 2464000
    },
    {
      "FY": "FY16",
      "period": "2016/12",
      "rank": 10,
      "name": "富士通株式会社",
      "shareholding_ratio": 1.36,
      "shares_held": 2316000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 1,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 9.59,
      "shares_held": 16276000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 8.1,
      "shares_held": 13748000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.43,
      "shares_held": 10905000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 4,
      "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": 5.74,
      "shares_held": 9747000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.61,
      "shares_held": 6130000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 6,
      "name": "資産管理サービス信託銀行株式会社（投信受入担保口）",
      "shareholding_ratio": 1.96,
      "shares_held": 3334000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 7,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.68,
      "shares_held": 2851000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 8,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.56,
      "shares_held": 2660000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 9,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.47,
      "shares_held": 2499000
    },
    {
      "FY": "FY17",
      "period": "2017/12",
      "rank": 10,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.45,
      "shares_held": 2454000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "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": 10.34,
      "shares_held": 16595000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 2,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 10.14,
      "shares_held": 16276000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.79,
      "shares_held": 10905000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 4,
      "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": 6.56,
      "shares_held": 10525000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.82,
      "shares_held": 6130000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 6,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 7,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.64,
      "shares_held": 2631000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 8,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 9,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.53,
      "shares_held": 2464000
    },
    {
      "FY": "FY18",
      "period": "2018/12",
      "rank": 10,
      "name": "富士通株式会社",
      "shareholding_ratio": 1.44,
      "shares_held": 2316000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "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": 10.35,
      "shares_held": 16616000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 2,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 10.14,
      "shares_held": 16276000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.79,
      "shares_held": 10905000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 4,
      "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": 5.43,
      "shares_held": 8713000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.82,
      "shares_held": 6130000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 6,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 8,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.53,
      "shares_held": 2464000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "rank": 9,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.5,
      "shares_held": 2412000
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "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５）",
      "shareholding_ratio": 1.46,
      "shares_held": 2346000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "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": 10.87,
      "shares_held": 17459000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 2,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 10.13,
      "shares_held": 16270000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 7,
      "shares_held": 11240000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 4,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.79,
      "shares_held": 10905000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 6130000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 6,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 8,
      "name": "古河電気工業株式会社",
      "shareholding_ratio": 1.53,
      "shares_held": 2464000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 9,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.45,
      "shares_held": 2336000
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "rank": 10,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.25,
      "shares_held": 2022000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "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": 15.04,
      "shares_held": 24163000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 2,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 10.12,
      "shares_held": 16270000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.86,
      "shares_held": 11019000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 4,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.78,
      "shares_held": 10905000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 6130000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 6,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 8,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.31,
      "shares_held": 2114000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 9,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.31,
      "shares_held": 2113000
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "rank": 10,
      "name": "THE BANK OF NEW YORK MELLON 140044（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 1.19,
      "shares_held": 1921000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "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": 16.5,
      "shares_held": 26517000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 2,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 10.12,
      "shares_held": 16270000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 9.11,
      "shares_held": 14655000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 4,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.78,
      "shares_held": 10905000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 6130000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 6,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 8,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.47,
      "shares_held": 2370000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 9,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.37,
      "shares_held": 2215000
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "rank": 10,
      "name": "みずほ信託銀行株式会社退職給付信託 みずほ銀行口再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 1.15,
      "shares_held": 1858000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "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": 17.85,
      "shares_held": 28695000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 11.76,
      "shares_held": 18911000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.78,
      "shares_held": 10905000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 4,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 6.45,
      "shares_held": 10368000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 5,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.81,
      "shares_held": 6130000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 6,
      "name": "野村信託銀行株式会社（投信口）",
      "shareholding_ratio": 2.04,
      "shares_held": 3289000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 7,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.65,
      "shares_held": 2660000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 8,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.55,
      "shares_held": 2499000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 9,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.37,
      "shares_held": 2213000
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "rank": 10,
      "name": "みずほ信託銀行株式会社退職給付信託 みずほ銀行口再信託受託者 株式会社日本カストディ銀行",
      "shareholding_ratio": 1.15,
      "shares_held": 1858000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "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": 17.3,
      "shares_held": 27597000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 13.88,
      "shares_held": 22150000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.83,
      "shares_held": 10905000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.82,
      "shares_held": 6093000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 5,
      "name": "日本ゼオン株式会社",
      "shareholding_ratio": 2.4,
      "shares_held": 3842000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 6,
      "name": "野村信託銀行株式会社（投信口）",
      "shareholding_ratio": 1.81,
      "shares_held": 2898000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.56,
      "shares_held": 2499000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 8,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.35,
      "shares_held": 2163000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 9,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.19,
      "shares_held": 1901000
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "rank": 10,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.16,
      "shares_held": 1862000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "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": 19.01,
      "shares_held": 29993000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 2,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 15.86,
      "shares_held": 25023000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 3,
      "name": "朝日生命保険相互会社",
      "shareholding_ratio": 6.91,
      "shares_held": 10905000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 4,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.8,
      "shares_held": 6001000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 5,
      "name": "野村信託銀行株式会社（投信口）",
      "shareholding_ratio": 1.71,
      "shares_held": 2697000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 6,
      "name": "ＳＭＢＣ日興証券株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 2523000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 7,
      "name": "株式会社横浜銀行",
      "shareholding_ratio": 1.58,
      "shares_held": 2499000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 8,
      "name": "ＪＰモルガン証券株式会社",
      "shareholding_ratio": 1.4,
      "shares_held": 2223000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 9,
      "name": "横浜ゴム取引先持株会",
      "shareholding_ratio": 1.4,
      "shares_held": 2216000
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "rank": 10,
      "name": "第一生命保険株式会社",
      "shareholding_ratio": 1.22,
      "shares_held": 1924000
    }
  ],
  "categories": [
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 89,
      "shares_units": 771099,
      "ratio": 45.51
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 35,
      "shares_units": 81735,
      "ratio": 4.82
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 227,
      "shares_units": 304373,
      "ratio": 17.96
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 511,
      "shares_units": 320611,
      "ratio": 18.92
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 7,
      "shares_units": 77,
      "ratio": 0
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 8891,
      "shares_units": 216344,
      "ratio": 12.76
    },
    {
      "FY": "FY19",
      "period": "2019/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 9760,
      "shares_units": 1694239,
      "ratio": null
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 79,
      "shares_units": 804398,
      "ratio": 47.47
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 36,
      "shares_units": 80377,
      "ratio": 4.74
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 256,
      "shares_units": 297706,
      "ratio": 17.57
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 325,
      "shares_units": 267334,
      "ratio": 15.77
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 21,
      "shares_units": 129,
      "ratio": 0
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 13069,
      "shares_units": 244291,
      "ratio": 14.41
    },
    {
      "FY": "FY20",
      "period": "2020/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 13786,
      "shares_units": 1694235,
      "ratio": null
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 83,
      "shares_units": 808711,
      "ratio": 47.73
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 46,
      "shares_units": 83330,
      "ratio": 4.91
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 241,
      "shares_units": 276475,
      "ratio": 16.31
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 347,
      "shares_units": 288937,
      "ratio": 17.05
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 39,
      "shares_units": 411,
      "ratio": 0.02
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 13511,
      "shares_units": 236361,
      "ratio": 13.95
    },
    {
      "FY": "FY21",
      "period": "2021/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 14267,
      "shares_units": 1694225,
      "ratio": null
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 74,
      "shares_units": 846301,
      "ratio": 49.95
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 34,
      "shares_units": 80452,
      "ratio": 4.75
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 229,
      "shares_units": 268167,
      "ratio": 15.83
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 313,
      "shares_units": 271236,
      "ratio": 16.01
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 31,
      "shares_units": 332,
      "ratio": 0.02
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 12122,
      "shares_units": 227708,
      "ratio": 13.44
    },
    {
      "FY": "FY22",
      "period": "2022/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 12803,
      "shares_units": 1694196,
      "ratio": null
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 68,
      "shares_units": 922252,
      "ratio": 54.44
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 33,
      "shares_units": 70413,
      "ratio": 4.16
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 227,
      "shares_units": 193426,
      "ratio": 11.42
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 317,
      "shares_units": 286826,
      "ratio": 16.93
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 30,
      "shares_units": 488,
      "ratio": 0.03
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 10661,
      "shares_units": 220812,
      "ratio": 13.03
    },
    {
      "FY": "FY23",
      "period": "2023/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 11336,
      "shares_units": 1694217,
      "ratio": null
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 80,
      "shares_units": 918749,
      "ratio": 54.23
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 35,
      "shares_units": 81301,
      "ratio": 4.8
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 253,
      "shares_units": 125173,
      "ratio": 7.39
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 349,
      "shares_units": 336406,
      "ratio": 19.86
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 45,
      "shares_units": 585,
      "ratio": 0.03
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 13169,
      "shares_units": 231908,
      "ratio": 13.69
    },
    {
      "FY": "FY24",
      "period": "2024/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 13931,
      "shares_units": 1694122,
      "ratio": null
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "government",
      "category": "政府・地方公共団体",
      "shareholders": null,
      "shares_units": null,
      "ratio": null
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "financial",
      "category": "金融機関",
      "shareholders": 78,
      "shares_units": 961670,
      "ratio": 57.84
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "financial_service",
      "category": "金融商品取引業者",
      "shareholders": 30,
      "shares_units": 80042,
      "ratio": 4.81
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "other_corporation",
      "category": "その他の法人",
      "shareholders": 222,
      "shares_units": 68530,
      "ratio": 4.12
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "foreign_corporation",
      "category": "外国法人等（法人）",
      "shareholders": 368,
      "shares_units": 347394,
      "ratio": 20.89
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "foreign_individual",
      "category": "外国法人等（個人）",
      "shareholders": 37,
      "shares_units": 588,
      "ratio": 0.03
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "individual",
      "category": "個人その他",
      "shareholders": 10912,
      "shares_units": 204422,
      "ratio": 12.29
    },
    {
      "FY": "FY25",
      "period": "2025/12",
      "category_key": "total",
      "category": "合計",
      "shareholders": 11647,
      "shares_units": 1662646,
      "ratio": null
    }
  ],
  "long_term": [
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 1,
      "name": "ザ・ビー・エフ・グッドリッチ",
      "shareholding_ratio": null,
      "shares_held": 5386939,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 2,
      "name": "古河電気工業",
      "shareholding_ratio": null,
      "shares_held": 1747201,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 3,
      "name": "朝日生命",
      "shareholding_ratio": null,
      "shares_held": 767637,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 4,
      "name": "古河鉱業",
      "shareholding_ratio": null,
      "shares_held": 628875,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 5,
      "name": "東京海上火災",
      "shareholding_ratio": null,
      "shares_held": 490000,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 6,
      "name": "三菱信託",
      "shareholding_ratio": null,
      "shares_held": 247929,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 7,
      "name": "安田火災海上",
      "shareholding_ratio": null,
      "shares_held": 232227,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 8,
      "name": "日本生命",
      "shareholding_ratio": null,
      "shares_held": 218500,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 9,
      "name": "第一銀行",
      "shareholding_ratio": null,
      "shares_held": 168500,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY54",
      "period": "1955/6",
      "company_name_at_period": "横浜護謨",
      "rank": 10,
      "name": "大成火災海上",
      "shareholding_ratio": null,
      "shares_held": 125477,
      "total_shares": 15391000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 1,
      "name": "B・F・グッドリッチ",
      "shareholding_ratio": 35,
      "shares_held": 14000000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 2,
      "name": "古河電気工業",
      "shareholding_ratio": 11.4,
      "shares_held": 4540000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 3,
      "name": "朝日生命",
      "shareholding_ratio": 5,
      "shares_held": 1995000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 4,
      "name": "古河鉱業",
      "shareholding_ratio": 4.6,
      "shares_held": 1831000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 5,
      "name": "東京海上火災",
      "shareholding_ratio": 3.6,
      "shares_held": 1440000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 6,
      "name": "三菱信託銀行",
      "shareholding_ratio": 2.8,
      "shares_held": 1118000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 7,
      "name": "日本興業銀行",
      "shareholding_ratio": 1.7,
      "shares_held": 674000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 8,
      "name": "安田火災海上",
      "shareholding_ratio": 1.5,
      "shares_held": 600000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 9,
      "name": "第一銀行",
      "shareholding_ratio": 1.3,
      "shares_held": 530000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1960/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 10,
      "name": "日本証券金融",
      "shareholding_ratio": 1.3,
      "shares_held": 517000,
      "total_shares": 40000000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 7.04,
      "shares_held": 24128000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 7,
      "shares_held": 23992000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 3,
      "name": "日本ゼオン",
      "shareholding_ratio": 5.05,
      "shares_held": 17318000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 4,
      "name": "朝日生命保険",
      "shareholding_ratio": 4.26,
      "shares_held": 14600000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 5,
      "name": "東京海上日動火災保険",
      "shareholding_ratio": 3.52,
      "shares_held": 12062000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 6,
      "name": "古河電気工業",
      "shareholding_ratio": 3.49,
      "shares_held": 11971000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 7,
      "name": "損害保険ジャパン",
      "shareholding_ratio": 2.28,
      "shares_held": 7812000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 8,
      "name": "第一生命保険",
      "shareholding_ratio": 2.22,
      "shares_held": 7600000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 9,
      "name": "横浜ゴム",
      "shareholding_ratio": 2.08,
      "shares_held": 7142000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 10,
      "name": "資産管理サービス信託銀行（証券投資信託口）",
      "shareholding_ratio": 1.97,
      "shares_held": 6734000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 11,
      "name": "みずほコーポレート銀行",
      "shareholding_ratio": 1.94,
      "shares_held": 6641000,
      "total_shares": null,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 1,
      "name": "朝日生命保険",
      "shareholding_ratio": 7.95,
      "shares_held": 27260000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 2,
      "name": "日本ゼオン",
      "shareholding_ratio": 7.1,
      "shares_held": 24334000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行（信託口）",
      "shareholding_ratio": 6.32,
      "shares_held": 21683000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 4,
      "name": "日本トラステイ・サービス信託銀行（信託口）",
      "shareholding_ratio": 5.59,
      "shares_held": 19174000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 5,
      "name": "みずほコーポレート銀行",
      "shareholding_ratio": 3.77,
      "shares_held": 12941000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 6,
      "name": "東京海上日動火災保険",
      "shareholding_ratio": 3.52,
      "shares_held": 12062000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 7,
      "name": "古河電気工業",
      "shareholding_ratio": 3.49,
      "shares_held": 11971000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 8,
      "name": "損害保険ジヤパン",
      "shareholding_ratio": 2.28,
      "shares_held": 7812000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 9,
      "name": "第一生命保険",
      "shareholding_ratio": 2.21,
      "shares_held": 7600000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "横浜ゴム",
      "rank": 10,
      "name": "みずほ銀行",
      "shareholding_ratio": 1.93,
      "shares_held": 6640000,
      "total_shares": null,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 1,
      "name": "日本ゼオン",
      "shareholding_ratio": 9.5,
      "shares_held": 32553000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 2,
      "name": "朝日生命保険",
      "shareholding_ratio": 6.36,
      "shares_held": 21811000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行（信託口）",
      "shareholding_ratio": 5.26,
      "shares_held": 18031000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行（信託口）",
      "shareholding_ratio": 5.25,
      "shares_held": 17999000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 5,
      "name": "みずほ銀行",
      "shareholding_ratio": 3.58,
      "shares_held": 12282000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 6,
      "name": "資産管理サービス信託銀行（投信受入担保口）",
      "shareholding_ratio": 2.31,
      "shares_held": 7921000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 7,
      "name": "古河電気工業",
      "shareholding_ratio": 1.78,
      "shares_held": 6103000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 8,
      "name": "東京海上日動火災保険",
      "shareholding_ratio": 1.76,
      "shares_held": 6031000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 9,
      "name": "第一生命保険",
      "shareholding_ratio": 1.55,
      "shares_held": 5320000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY14",
      "period": "2014/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 10,
      "name": "横浜銀行",
      "shareholding_ratio": 1.45,
      "shares_held": 4999000,
      "total_shares": null,
      "source": "有価証券報告書（2014年12月期）"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 1,
      "name": "B・F・グッドリッチ",
      "shareholding_ratio": 33.6,
      "shares_held": 57373000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 2,
      "name": "朝日生命保険",
      "shareholding_ratio": 6.22,
      "shares_held": 10618000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 3,
      "name": "古河電気工業",
      "shareholding_ratio": 6.22,
      "shares_held": 10617000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 4,
      "name": "第一勧業銀行",
      "shareholding_ratio": 4.42,
      "shares_held": 7553000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 5,
      "name": "古河鉱業",
      "shareholding_ratio": 3.85,
      "shares_held": 6574000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 6,
      "name": "日本興業銀行",
      "shareholding_ratio": 3.67,
      "shares_held": 6268000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 7,
      "name": "東京海上火災保険",
      "shareholding_ratio": 3.5,
      "shares_held": 5985000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 8,
      "name": "日本ゼオン",
      "shareholding_ratio": 3.07,
      "shares_held": 5250000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 9,
      "name": "日本証券金融",
      "shareholding_ratio": 3.06,
      "shares_held": 5231000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    },
    {
      "FY": "FY74",
      "period": "1974/12",
      "company_name_at_period": "横浜ゴム",
      "rank": 10,
      "name": "伊藤忠商事",
      "shareholding_ratio": 2.58,
      "shares_held": 4410000,
      "total_shares": null,
      "source": "日本企業要覧 1975年版"
    }
  ]
}
