{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "6516",
  "company_name": "山洋電気",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6516/shareholders/",
  "api_url": "/api/6516/shareholders.json",
  "updated": "2026-08-15",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6516/shareholders/",
  "source": {
    "primary": [
      "有価証券報告書（大株主の状況）"
    ],
    "extraction": "EDINET の XBRL から機械抽出。1990 年代以前は旧有価証券報告書・年鑑類からの転記",
    "row_field": "source",
    "caveat": "持株比率は各期の開示値そのまま。信託口の名寄せは行っていない"
  },
  "shareholders": [
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 14.23,
      "shares_held": 9229000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.51,
      "shares_held": 2274000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "CBNY-GOVERNMENT OF NORWAY（常任代理人 シティバンク銀行株式会社）",
      "shareholding_ratio": 3.28,
      "shares_held": 2126000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 2.95,
      "shares_held": 1913000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 2.64,
      "shares_held": 1711000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.46,
      "shares_held": 1594000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.06,
      "shares_held": 1339000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "日本マスタートラスト信託銀行株式会社（信託口）",
      "shareholding_ratio": 1.9,
      "shares_held": 1231000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 975000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.5,
      "shares_held": 970000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 14.23,
      "shares_held": 9229000
    },
    {
      "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": 3.98,
      "shares_held": 2582000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 3.51,
      "shares_held": 2274000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "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": 3.02,
      "shares_held": 1958000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.46,
      "shares_held": 1594000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "GOVERNMENT OF NORWAY（常任代理人 シティバンク，エヌ・エイ東京支店）",
      "shareholding_ratio": 2.29,
      "shares_held": 1485000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.06,
      "shares_held": 1339000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "BNP PARIBAS SECURITIES SERVICES LUXEMBOURG（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.73,
      "shares_held": 1120000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口９）",
      "shareholding_ratio": 1.65,
      "shares_held": 1072000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.5,
      "shares_held": 975000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.25,
      "shares_held": 1845000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 2,
      "name": "日本トラスティ・サービス信託銀行株式会社（信託口）",
      "shareholding_ratio": 5.3,
      "shares_held": 641000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "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": 4.69,
      "shares_held": 567000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 4,
      "name": "BNP PARIBAS SECURITIES SERVICES LUXEMBOURG（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 2.73,
      "shares_held": 330000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.3,
      "shares_held": 278000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "GOVERNMENT OF NORWAY（常任代理人 シティバンク，エヌ・エイ東京支店）",
      "shareholding_ratio": 2.02,
      "shares_held": 244000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 194000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.25,
      "shares_held": 1845000
    },
    {
      "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": 5.74,
      "shares_held": 694000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 3.65,
      "shares_held": 441000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 4,
      "name": "BNP PARIBAS SECURITIES SERVICES LUXEMBOURG（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 2.87,
      "shares_held": 347000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.3,
      "shares_held": 278000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 1.78,
      "shares_held": 215000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 194000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.25,
      "shares_held": 1845000
    },
    {
      "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": 6.57,
      "shares_held": 795000
    },
    {
      "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": 5.05,
      "shares_held": 610000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "STATE STREET BANK AND TRUST COMPANY 505253（常任代理人 株式会社みずほ銀行決済営業部）",
      "shareholding_ratio": 3.42,
      "shares_held": 414000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 5,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 298000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "BNP PARIBAS SECURITIES SERVICES LUXEMBOURG（常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 1.77,
      "shares_held": 214000
    },
    {
      "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５）",
      "shareholding_ratio": 1.62,
      "shares_held": 196000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.25,
      "shares_held": 1845000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "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": 9.28,
      "shares_held": 1122000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 6.3,
      "shares_held": 762000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 298000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "GOVERNMENT OF NORWAY（常任代理人 シティバンク，エヌ・エイ東京支店）",
      "shareholding_ratio": 2.03,
      "shares_held": 245000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 194000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.58,
      "shares_held": 191000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.25,
      "shares_held": 1845000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "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": 13.43,
      "shares_held": 1624000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.74,
      "shares_held": 573000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 298000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 194000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.58,
      "shares_held": 191000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "KIA FUND 136（常任代理人 シティバンク，エヌ・エイ東京支店）",
      "shareholding_ratio": 1.34,
      "shares_held": 162000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.24,
      "shares_held": 1845000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "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": 11.48,
      "shares_held": 1390000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4.66,
      "shares_held": 564000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.63,
      "shares_held": 318000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.47,
      "shares_held": 298000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.88,
      "shares_held": 227000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "株式会社八十二銀行",
      "shareholding_ratio": 1.61,
      "shares_held": 195000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "三井住友信託銀行株式会社",
      "shareholding_ratio": 1.6,
      "shares_held": 194000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
      "name": "東京海上日動火災保険株式会社",
      "shareholding_ratio": 1.58,
      "shares_held": 191000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 10,
      "name": "上田八木短資株式会社",
      "shareholding_ratio": 1.46,
      "shares_held": 177000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 1,
      "name": "協同興業株式会社",
      "shareholding_ratio": 15.48,
      "shares_held": 1845000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "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": 10.9,
      "shares_held": 1299000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 3,
      "name": "株式会社日本カストディ銀行（信託口）",
      "shareholding_ratio": 4,
      "shares_held": 476000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 4,
      "name": "山洋開発株式会社",
      "shareholding_ratio": 2.67,
      "shares_held": 318000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 5,
      "name": "日本生命保険相互会社",
      "shareholding_ratio": 2.51,
      "shares_held": 298000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 6,
      "name": "株式会社みずほ銀行",
      "shareholding_ratio": 1.91,
      "shares_held": 227000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
      "rank": 7,
      "name": "RE FUND 107-CLIENT AC（常任代理人 シティバンク、エヌ・エイ東京支店）",
      "shareholding_ratio": 1.9,
      "shares_held": 226000
    },
    {
      "FY": "FY23",
      "period": "2024/3",
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