{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY15時点では筆頭がNorthern Trust（Silchester）5.8%、豊田自動織機4.42%、十六銀行・大垣共立銀行の地元地銀2行という構造で、外資・取引先・地銀のバランス型だった。",
        "FY24では日本マスタートラスト信託銀行14.07%・日本カストディ銀行8.34%が筆頭2口に集中し、半導体パッケージ需要拡大を背景に機関化が一段と進んでいる。"
      ]
    }
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "NORTHERN TRUST CO.(AVFC)RE SILCHESTER INTERNATIONAL INVENSTOS INTERNATIONAL VALUE EQUITY TRUST(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 5.8,
      "shares_held": 8171000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.42,
      "shares_held": 6221000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 3.58,
      "shares_held": 5045000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 3.41,
      "shares_held": 4796000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "オーエム04エスエスビークライアントオムニバス(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 3.28,
      "shares_held": 4627000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 4130000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.92,
      "shares_held": 4120000
    },
    {
      "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)",
      "shareholding_ratio": 2.47,
      "shares_held": 3477000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.32,
      "shares_held": 3272000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "ノーザン トラスト カンパニー (エイブイエフシー) アカウント ノン トリーティー(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 2.1,
      "shares_held": 2956000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "NORTHERN TRUST CO.(AVFC)RE SILCHESTER INTERNATIONAL INVESTORS INTERNATIONAL VALUE EQUITY TRUST(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 6.49,
      "shares_held": 9137000
    },
    {
      "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": 4.64,
      "shares_held": 6531000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "日本マスタートラスト信託銀行株式会社(信託口)",
      "shareholding_ratio": 4.47,
      "shares_held": 6296000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.42,
      "shares_held": 6221000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 3.97,
      "shares_held": 5593000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 4130000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.92,
      "shares_held": 4120000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.53,
      "shares_held": 3558000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "ノーザン トラスト カンパニー （エイブイエフシー） アカウント ノン トリーティー(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 2.32,
      "shares_held": 3262000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 1.99,
      "shares_held": 2804000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "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": 6.44,
      "shares_held": 9006000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "NORTHERN TRUST CO.(AVFC)RESILCHESTER INTERNATIONALINVESTORS INTERNATIONAL VALUE EQUITY TRUST(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 5.55,
      "shares_held": 7764000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "株式会社デンソー",
      "shareholding_ratio": 5.51,
      "shares_held": 7712000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 4.85,
      "shares_held": 6784000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ(常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 3.13,
      "shares_held": 4373000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.94,
      "shares_held": 4120000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.63,
      "shares_held": 3676000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 2.04,
      "shares_held": 2859000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "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": 5.85,
      "shares_held": 8191000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 5.63,
      "shares_held": 7876000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "株式会社デンソー",
      "shareholding_ratio": 5.51,
      "shares_held": 7712000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "NORTHERN TRUST CO. (AVFC) RE SILCHESTER INTERNATIONAL INVESTORS INTERNATIONAL VALUE EQUITY TRUST(常任代理人 香港上海銀行東京支店 カストディ業務部）",
      "shareholding_ratio": 4.55,
      "shares_held": 6362000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 4150000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.86,
      "shares_held": 3996000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "ノーザン トラスト カンパニー エイブイエフシー リ ユーエス タックス エグゼンプテド ペンション ファンズ (常任代理人 香港上海銀行東京支店 カストディ業務部)",
      "shareholding_ratio": 2.46,
      "shares_held": 3442000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "ジェーピー モルガン チェース バンク 385635 (常任代理人 みずほ銀行決済営業部)",
      "shareholding_ratio": 2.35,
      "shares_held": 3285000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "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": 10.55,
      "shares_held": 14753000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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": 9.38,
      "shares_held": 13120000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "株式会社デンソー",
      "shareholding_ratio": 5.51,
      "shares_held": 7712000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 4150000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.92,
      "shares_held": 4091000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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９)",
      "shareholding_ratio": 2.28,
      "shares_held": 3188000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 2.14,
      "shares_held": 2992000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "大樹生命保険株式会社",
      "shareholding_ratio": 1.82,
      "shares_held": 2539000
    },
    {
      "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": 8.68,
      "shares_held": 12136000
    },
    {
      "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": 7.79,
      "shares_held": 10897000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "株式会社デンソー",
      "shareholding_ratio": 5.51,
      "shares_held": 7712000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 4150000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.89,
      "shares_held": 4040000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "STATE STREET BANK AND TRUST COMPANY 505001",
      "shareholding_ratio": 2.18,
      "shares_held": 3043000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 1.86,
      "shares_held": 2601000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "大樹生命保険株式会社",
      "shareholding_ratio": 1.82,
      "shares_held": 2539000
    },
    {
      "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": 14.14,
      "shares_held": 19788000
    },
    {
      "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": 7.23,
      "shares_held": 10115000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 4150000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.91,
      "shares_held": 4065000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "株式会社デンソー",
      "shareholding_ratio": 1.94,
      "shares_held": 2712000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "大樹生命保険株式会社",
      "shareholding_ratio": 1.82,
      "shares_held": 2539000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 1.66,
      "shares_held": 2326000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.65,
      "shares_held": 2308000
    },
    {
      "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": 16.2,
      "shares_held": 22660000
    },
    {
      "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": 10.03,
      "shares_held": 14029000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "株式会社大垣共立銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 4150000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "株式会社十六銀行",
      "shareholding_ratio": 2.95,
      "shares_held": 4130000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.93,
      "shares_held": 4103000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "大樹生命保険株式会社",
      "shareholding_ratio": 1.82,
      "shares_held": 2539000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 1.68,
      "shares_held": 2348000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 1.65,
      "shares_held": 2308000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "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": 1.48,
      "shares_held": 2076000
    },
    {
      "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": 14.68,
      "shares_held": 20533000
    },
    {
      "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": 8.37,
      "shares_held": 11713000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社豊田自動織機",
      "shareholding_ratio": 4.45,
      "shares_held": 6221000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.74,
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      "shareholding_ratio": 3.1,
      "shares_held": 546000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 4,
      "name": "三井化学工業",
      "shareholding_ratio": 3.1,
      "shares_held": 546000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 5,
      "name": "千代田生命",
      "shareholding_ratio": 2,
      "shares_held": 350000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 6,
      "name": "中部証券金融",
      "shareholding_ratio": 2,
      "shares_held": 345000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 7,
      "name": "大和銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 270000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 8,
      "name": "東海銀行",
      "shareholding_ratio": 1.3,
      "shares_held": 229000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 9,
      "name": "千代田火災海上",
      "shareholding_ratio": 1,
      "shares_held": 182000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 10,
      "name": "日本共立銀行",
      "shareholding_ratio": 0.9,
      "shares_held": 164000,
      "total_shares": 17503000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 1,
      "name": "三井銀行",
      "shareholding_ratio": 4.99,
      "shares_held": 2025000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 2,
      "name": "従業員持株会",
      "shareholding_ratio": 3.54,
      "shares_held": 1437000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 3,
      "name": "千代田生命保険",
      "shareholding_ratio": 2.96,
      "shares_held": 1200000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 3,
      "name": "十六銀行",
      "shareholding_ratio": 2.96,
      "shares_held": 1200000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 3,
      "name": "三井生命保険",
      "shareholding_ratio": 2.96,
      "shares_held": 1200000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 6,
      "name": "三井東圧化学",
      "shareholding_ratio": 2.87,
      "shares_held": 1165000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 7,
      "name": "大垣共立銀行",
      "shareholding_ratio": 2.71,
      "shares_held": 1100000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 8,
      "name": "日本興業銀行",
      "shareholding_ratio": 2.52,
      "shares_held": 1023000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 9,
      "name": "東海銀行",
      "shareholding_ratio": 2.46,
      "shares_held": 1000000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "揖斐川電気工業",
      "rank": 9,
      "name": "三菱銀行",
      "shareholding_ratio": 2.46,
      "shares_held": 1000000,
      "total_shares": 40590000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 9.23,
      "shares_held": 13792000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 2,
      "name": "日本トラステイ・サービス信託銀行",
      "shareholding_ratio": 9.05,
      "shares_held": 13519000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 3,
      "name": "豊田自動織機",
      "shareholding_ratio": 3.85,
      "shares_held": 5750000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 4,
      "name": "十六銀行",
      "shareholding_ratio": 2.68,
      "shares_held": 4000000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 5,
      "name": "大垣共立銀行",
      "shareholding_ratio": 2.54,
      "shares_held": 3793000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 6,
      "name": "ザチェースマンハッタンバンク 385036",
      "shareholding_ratio": 2.52,
      "shares_held": 3767000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 7,
      "name": "三井生命保険",
      "shareholding_ratio": 2.12,
      "shares_held": 3175000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 8,
      "name": "資産管理サービス信託銀行(信託B口)",
      "shareholding_ratio": 1.61,
      "shares_held": 2405000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 9,
      "name": "土屋組",
      "shareholding_ratio": 1.47,
      "shares_held": 2202000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY05",
      "period": "2006/3",
      "company_name_at_period": "イビデン",
      "rank": 10,
      "name": "あいおい損害保険",
      "shareholding_ratio": 1.44,
      "shares_held": 2156000,
      "total_shares": 149437027,
      "source": "有価証券報告書（2006年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 1,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 9.13,
      "shares_held": 13780000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 7.1,
      "shares_held": 10706000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 3,
      "name": "豊田自動織機",
      "shareholding_ratio": 4.12,
      "shares_held": 6221000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 4,
      "name": "日本トラスティ・サービス信託銀行（信託口９）",
      "shareholding_ratio": 3.07,
      "shares_held": 4631000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 5,
      "name": "大垣共立銀行",
      "shareholding_ratio": 2.73,
      "shares_held": 4120000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 6,
      "name": "十六銀行",
      "shareholding_ratio": 2.72,
      "shares_held": 4100000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 7,
      "name": "ジェーピーモルガン チェースバンク 380055",
      "shareholding_ratio": 1.81,
      "shares_held": 2726000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 8,
      "name": "三井生命保険",
      "shareholding_ratio": 1.68,
      "shares_held": 2540000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 9,
      "name": "土屋組",
      "shareholding_ratio": 1.53,
      "shares_held": 2315000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY09",
      "period": "2010/3",
      "company_name_at_period": "イビデン",
      "rank": 10,
      "name": "三井住友銀行",
      "shareholding_ratio": 1.53,
      "shares_held": 2308000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2010年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 1,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 4.22,
      "shares_held": 6360000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 2,
      "name": "豊田自動織機",
      "shareholding_ratio": 4.12,
      "shares_held": 6221000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 3.79,
      "shares_held": 5712000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 4,
      "name": "オーエム04 エスエスビークライアントオムニバス",
      "shareholding_ratio": 3.41,
      "shares_held": 5137000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 5,
      "name": "十六銀行",
      "shareholding_ratio": 2.74,
      "shares_held": 4130000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 6,
      "name": "大垣共立銀行",
      "shareholding_ratio": 2.73,
      "shares_held": 4120000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 7,
      "name": "イビデン協力会社持株会",
      "shareholding_ratio": 2.02,
      "shares_held": 3051000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 8,
      "name": "三井生命保険",
      "shareholding_ratio": 1.68,
      "shares_held": 2540000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 9,
      "name": "イビデン社員持株会",
      "shareholding_ratio": 1.64,
      "shares_held": 2478000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    },
    {
      "FY": "FY14",
      "period": "2015/3",
      "company_name_at_period": "イビデン",
      "rank": 10,
      "name": "ザ バンク オブ ニューヨーク トリーティー ジャスデック アカウント",
      "shareholding_ratio": 1.55,
      "shares_held": 2339000,
      "total_shares": 150860557,
      "source": "有価証券報告書（2015年3月期）"
    }
  ]
}
