{
  "commentary": [
    {
      "heading": null,
      "paragraphs": [
        "FY15時点では日本生命7.9%・日本マスタートラスト信託銀行7.0%・三菱東京UFJ銀行4.71%・三井住友信託銀行3.1%など伝統的金融機関と岡谷鋼機1.92%・取引先持株会2.11%による安定株主構造だった。",
        "FY24では日本マスタートラスト信託銀行（信託口）19.47%・日本カストディ銀行11.74%へ信託口集中が進み、日本生命7.05%・三菱UFJ銀行4.1%・岡谷鋼機2.14%は順位を保ちつつ、State Street3.59%など外国法人の新規参入が見られる。"
      ]
    }
  ],
  "long_term_commentary": [
    "戦後復興期の1955年（1955/9）は東海銀行を筆頭に創業家の流れをくむ大隈武雄氏・大隈孝一氏や丸万証券・中部証券金融が並び、名古屋地縁の銀行・証券と創業家を軸とする株主構成だった。",
    "1961年（1961/3）から1980年（1980/3）にかけては三菱信託銀行17.4%・安田信託銀行12.8%・東海銀行や日本生命保険7.34%・中央信託銀行7.14%など信託銀行と生保・地銀が持ち合う安定株主構造へ移っていた。",
    "2009年（2009/3）以降は日本生命保険8.77%を筆頭に日本マスタートラスト信託銀行6.44%・日本トラスティ・サービス信託銀行5.69%といった信託口が上位を占め、三菱東京UFJ銀行やState Streetを交えた機関投資家中心の構造へ再編されている。"
  ],
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 7.9,
      "shares_held": 13329000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 7,
      "shares_held": 11819000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "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": 5.94,
      "shares_held": 10026000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 4.71,
      "shares_held": 7954000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人日本トラスティ・サービス信託銀行株式会社)",
      "shareholding_ratio": 3.1,
      "shares_held": 5225000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "STATE STREET BANK AND TRUST COMPANY(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": 2.37,
      "shares_held": 3992000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.11,
      "shares_held": 3557000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "資産管理サービス信託銀行株式会社(証券投資信託口)",
      "shareholding_ratio": 1.97,
      "shares_held": 3325000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 1.92,
      "shares_held": 3233000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "ゴールドマン・サックス証券株式会社",
      "shareholding_ratio": 1.62,
      "shares_held": 2737000
    },
    {
      "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": 10.73,
      "shares_held": 18116000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 7.9,
      "shares_held": 13329000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 6.44,
      "shares_held": 10862000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 4.71,
      "shares_held": 7954000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人日本トラスティ・サービス信託銀行株式会社)",
      "shareholding_ratio": 3.1,
      "shares_held": 5225000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.17,
      "shares_held": 3670000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "資産管理サービス信託銀行株式会社(証券投資信託口)",
      "shareholding_ratio": 1.97,
      "shares_held": 3325000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 1.92,
      "shares_held": 3233000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "MSCO CUSTOMER SECURITIES(常任代理人モルガン・スタンレーMUFG証券株式会社)",
      "shareholding_ratio": 1.49,
      "shares_held": 2518000
    },
    {
      "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５)",
      "shareholding_ratio": 1.48,
      "shares_held": 2503000
    },
    {
      "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": 14.24,
      "shares_held": 4568000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 7.48,
      "shares_held": 2399000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 6.67,
      "shares_held": 2139000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "株式会社三菱東京UFJ銀行",
      "shareholding_ratio": 4.96,
      "shares_held": 1590000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人日本トラスティ・サービス信託銀行株式会社)",
      "shareholding_ratio": 3.26,
      "shares_held": 1045000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.28,
      "shares_held": 732000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 2.02,
      "shares_held": 646000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "資産管理サービス信託銀行株式会社(証券投資信託口)",
      "shareholding_ratio": 1.87,
      "shares_held": 601000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "STATE STREET LONDON CARE OF STATE STREET BANK AND TRUST, BOSTON SSBTC A/C UK LONDON BRANCH CLIENTS - UNITED KINGDOM(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": 1.85,
      "shares_held": 592000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44(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": 1.58,
      "shares_held": 505000
    },
    {
      "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": 16.05,
      "shares_held": 5068000
    },
    {
      "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": 6.86,
      "shares_held": 2167000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 3,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 6.76,
      "shares_held": 2132000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 5.04,
      "shares_held": 1590000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人日本トラスティ・サービス信託銀行株式会社)",
      "shareholding_ratio": 3.31,
      "shares_held": 1045000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44(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": 2.38,
      "shares_held": 751000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "JPMC GOLDMAN SACHS TRUST JASDEC LENDING ACCOUNT(常任代理人株式会社三菱UFJ銀行)",
      "shareholding_ratio": 2.35,
      "shares_held": 740000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.34,
      "shares_held": 740000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 2.05,
      "shares_held": 646000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "資産管理サービス信託銀行株式会社(証券投資信託口)",
      "shareholding_ratio": 2.03,
      "shares_held": 640000
    },
    {
      "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": 15.75,
      "shares_held": 4973000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 2,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 6.76,
      "shares_held": 2132000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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": 6.17,
      "shares_held": 1948000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 4.97,
      "shares_held": 1570000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人日本トラスティ・サービス信託銀行株式会社)",
      "shareholding_ratio": 3.31,
      "shares_held": 1045000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44(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": 2.51,
      "shares_held": 791000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.41,
      "shares_held": 759000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 2.05,
      "shares_held": 646000
    },
    {
      "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９）",
      "shareholding_ratio": 1.88,
      "shares_held": 594000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "JP MORGAN CHASE BANK 385151（常任代理人株式会社みずほ銀行決裁営業部）",
      "shareholding_ratio": 1.68,
      "shares_held": 530000
    },
    {
      "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": 17.18,
      "shares_held": 5424000
    },
    {
      "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": 8.22,
      "shares_held": 2594000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 6.75,
      "shares_held": 2132000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 4.98,
      "shares_held": 1570000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人株式会社日本カストディ銀行)",
      "shareholding_ratio": 3.31,
      "shares_held": 1045000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.43,
      "shares_held": 765000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 2.05,
      "shares_held": 646000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行（証券投資信託口）",
      "shareholding_ratio": 1.59,
      "shares_held": 502000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "オークマ共栄会",
      "shareholding_ratio": 1.49,
      "shares_held": 470000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "STATE STREET CLIENT OMNIBUS ACCOUNT OM44（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": 1.37,
      "shares_held": 434000
    },
    {
      "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": 22.06,
      "shares_held": 6927000
    },
    {
      "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": 8.46,
      "shares_held": 2656000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 6.79,
      "shares_held": 2132000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 4.48,
      "shares_held": 1405000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人株式会社日本カストディ銀行)",
      "shareholding_ratio": 3.33,
      "shares_held": 1045000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.48,
      "shares_held": 780000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "岡谷鋼機株式会社",
      "shareholding_ratio": 2.06,
      "shares_held": 646000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "株式会社日本カストディ銀行（証券投資信託口）",
      "shareholding_ratio": 1.71,
      "shares_held": 538000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "オークマ共栄会",
      "shareholding_ratio": 1.54,
      "shares_held": 484000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "SSBTC CLIENT OMNIBUS ACCOUNT（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": 1.41,
      "shares_held": 442000
    },
    {
      "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": 20.96,
      "shares_held": 6487000
    },
    {
      "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": 9.9,
      "shares_held": 3064000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "日本生命保険相互会社(常任代理人日本マスタートラスト信託銀行株式会社)",
      "shareholding_ratio": 6.89,
      "shares_held": 2132000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "株式会社三菱UFJ銀行",
      "shareholding_ratio": 4.01,
      "shares_held": 1240000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "三井住友信託銀行株式会社(常任代理人株式会社日本カストディ銀行)",
      "shareholding_ratio": 3.38,
      "shares_held": 1045000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.6,
      "shares_held": 805000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "岡谷鋼機株式会社",
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      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "大隈鐵工所",
      "rank": 9,
      "name": "日興証券",
      "shareholding_ratio": null,
      "shares_held": 88700,
      "total_shares": 7800000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY55",
      "period": "1955/9",
      "company_name_at_period": "大隈鐵工所",
      "rank": 10,
      "name": "深谷英一",
      "shareholding_ratio": null,
      "shares_held": 81800,
      "total_shares": 7800000,
      "source": "株式会社年鑑 昭和31年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 1,
      "name": "三菱信託銀行",
      "shareholding_ratio": 17.4,
      "shares_held": 2715000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 2,
      "name": "安田信託銀行",
      "shareholding_ratio": 12.8,
      "shares_held": 2000000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 3,
      "name": "東海銀行",
      "shareholding_ratio": 7.4,
      "shares_held": 1155000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 4,
      "name": "大隈武雄",
      "shareholding_ratio": 3.4,
      "shares_held": 526000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 5,
      "name": "中部証券金融",
      "shareholding_ratio": 3,
      "shares_held": 460000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 6,
      "name": "山一証券",
      "shareholding_ratio": 2.3,
      "shares_held": 354000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 7,
      "name": "日本生命",
      "shareholding_ratio": 1.9,
      "shares_held": 300000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 8,
      "name": "住友信託銀行",
      "shareholding_ratio": 1.7,
      "shares_held": 261000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 9,
      "name": "東京生命",
      "shareholding_ratio": 1.6,
      "shares_held": 250000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY60",
      "period": "1961/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 10,
      "name": "大和銀行(信託部)",
      "shareholding_ratio": 1.4,
      "shares_held": 222000,
      "total_shares": 15600000,
      "source": "株式会社年鑑 昭和37年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 1,
      "name": "東海銀行",
      "shareholding_ratio": 8.09,
      "shares_held": 6664000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 2,
      "name": "日本生命保険",
      "shareholding_ratio": 7.34,
      "shares_held": 6051000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 3,
      "name": "中央信託銀行",
      "shareholding_ratio": 7.14,
      "shares_held": 5882000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 4,
      "name": "日本証券金融",
      "shareholding_ratio": 4.66,
      "shares_held": 3843000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 5,
      "name": "朝日生命保険",
      "shareholding_ratio": 3.97,
      "shares_held": 3271000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 6,
      "name": "新日本証券",
      "shareholding_ratio": 3.88,
      "shares_held": 3197000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 7,
      "name": "日本団体生命",
      "shareholding_ratio": 3.31,
      "shares_held": 2726000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 8,
      "name": "第一生命保険",
      "shareholding_ratio": 3.09,
      "shares_held": 2550000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 9,
      "name": "千代田生命保険",
      "shareholding_ratio": 2.96,
      "shares_held": 2441000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY79",
      "period": "1980/3",
      "company_name_at_period": "大隈鐵工所",
      "rank": 10,
      "name": "三菱信託銀行",
      "shareholding_ratio": 2.91,
      "shares_held": 2400000,
      "total_shares": 82424000,
      "source": "企業系列総覧 1981年版"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 1,
      "name": "日本生命保険",
      "shareholding_ratio": 8.77,
      "shares_held": 14810000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 6.44,
      "shares_held": 10882000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 5.69,
      "shares_held": 9612000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 4,
      "name": "三菱東京UFJ銀行",
      "shareholding_ratio": 4.72,
      "shares_held": 7975000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 4.2,
      "shares_held": 7098000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 6,
      "name": "中央三井信託銀行",
      "shareholding_ratio": 2.39,
      "shares_held": 4045000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 7,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.02,
      "shares_held": 3417000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 8,
      "name": "ステート ストリート バンク アンド トラスト カンパニー 505225",
      "shareholding_ratio": 1.95,
      "shares_held": 3301000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 9,
      "name": "資産管理サービス信託銀行",
      "shareholding_ratio": 1.9,
      "shares_held": 3208000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY08",
      "period": "2009/3",
      "company_name_at_period": "オークマ株式会社",
      "rank": 10,
      "name": "岡谷鋼機",
      "shareholding_ratio": 1.88,
      "shares_held": 3183000,
      "total_shares": null,
      "source": "有価証券報告書（2009年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 1,
      "name": "日本生命保険",
      "shareholding_ratio": 8.77,
      "shares_held": 14810000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 8.42,
      "shares_held": 14211000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 6.99,
      "shares_held": 11814000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 4,
      "name": "三菱東京UFJ銀行",
      "shareholding_ratio": 3.55,
      "shares_held": 6000000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 5,
      "name": "三井住友信託銀行",
      "shareholding_ratio": 2.39,
      "shares_held": 4045000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 6,
      "name": "JPモルガン証券",
      "shareholding_ratio": 2.3,
      "shares_held": 3883000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 7,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.03,
      "shares_held": 3428000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 8,
      "name": "同台興業",
      "shareholding_ratio": 1.91,
      "shares_held": 3233000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 9,
      "name": "資産管理サービス信託銀行（証券投資信託口）",
      "shareholding_ratio": 1.51,
      "shares_held": 2557000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY10",
      "period": "2011/3",
      "company_name_at_period": "オークマ",
      "rank": 10,
      "name": "エムエルアイエフシーエルカストディーアカウント／ジェネラル",
      "shareholding_ratio": 1.15,
      "shares_held": 1955000,
      "total_shares": null,
      "source": "有価証券報告書（2011年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 1,
      "name": "日本生命保険",
      "shareholding_ratio": 7.9,
      "shares_held": 13329000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 2,
      "name": "日本マスタートラスト信託銀行",
      "shareholding_ratio": 7,
      "shares_held": 11819000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 3,
      "name": "日本トラスティ・サービス信託銀行",
      "shareholding_ratio": 5.9,
      "shares_held": 9954000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 4,
      "name": "三菱東京UFJ銀行",
      "shareholding_ratio": 4.71,
      "shares_held": 7956000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 5,
      "name": "STATE STREET BANK AND TRUST COMPANY 505223",
      "shareholding_ratio": 3.1,
      "shares_held": 5225000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 6,
      "name": "オークマ取引先持株会",
      "shareholding_ratio": 2.11,
      "shares_held": 3557000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 7,
      "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": 3325000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 8,
      "name": "同台興業",
      "shareholding_ratio": 1.92,
      "shares_held": 3233000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "company_name_at_period": "オークマ",
      "rank": 9,
      "name": "ゴールドマン・サックス・インターナショナル",
      "shareholding_ratio": 1.62,
      "shares_held": 2737000,
      "total_shares": null,
      "source": "有価証券報告書（2016年3月期）"
    }
  ]
}