{ "spec_version": "3", "endpoint": "shareholders", "stock_code": "7013", "company_name": "IHI", "content_lang": "ja", "meta_lang": "en", "canonical_url": "https://the-shashi.com/tse/7013/shareholders/", "api_url": "/api/7013/shareholders.json", "updated": "2026-09-06", "license": "© 2026 Yutaka Sugiura. All rights reserved.", "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/7013/shareholders/", "source": { "primary": [ "株式会社年鑑 昭和31年版", "株式会社年鑑 昭和37年版", "日本企業要覧 1970年版", "日本企業要覧 1975年版", "企業系列総覧 1981年版", "有価証券報告書（2006年3月期）", "有価証券報告書（2010年3月期）", "有価証券報告書（2015年3月期）" ], "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" }, "commentary": [ { "paragraphs": [ "FY69時点（旧石川島播磨重工業）では東京芝浦電気（東芝）が8.90%で筆頭、第一銀行・朝日生命・第一生命などが並び、東芝退職給付信託として2010年代まで保有が継続していた。", "FY24では日本マスタートラスト信託銀行16.16%・日本カストディ銀行5.41%の信託2口が筆頭化し、東芝退職給付信託口は2019年に上位10位から消失、機関投資家中心の構造へ転換している。" ] } ], "long_term_commentary": [ "1955年9月時点では東京芝浦電気を筆頭に、エトナ・ジヤパンや野村証券・静岡銀行・日本証券金融が並び、提携先の東芝と証券会社・銀行が株式を保有する構造だった。", "1961年3月には三菱信託銀行3.7%・神戸製鋼所3.3%・東京芝浦電気3.1%が上位に立ち、1975年から1980年にかけては東京芝浦電気を筆頭に第一勧業銀行・日本生命保険・第一生命保険・朝日生命保険など都銀と生保が持ち合う安定株主構造へ移った。", "2000年代以降は日本トラスティ・サービス信託銀行の東芝退職給付信託口や信託口が上位を占め、第一生命保険を残しつつ、STATE STREET BANK AND TRUST COMPANYなど外国法人を交えた機関投資家中心の構造へ再編された。" ], "shareholders": [ { "FY": "FY15", "period": "2016/3", "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": 4.03, "shares_held": 62356000 }, { "FY": "FY15", "period": "2016/3", "rank": 2, "name": "日本トラスティ・サービス信託銀行株式会社（三井住友信託銀行再信託分・株式会社東芝退職給付信託口）", "shareholding_ratio": 3.58, "shares_held": 55422000 }, { "FY": "FY15", "period": "2016/3", "rank": 3, "name": "第一生命保険株式会社", "shareholding_ratio": 3.49, "shares_held": 54060000 }, { "FY": "FY15", "period": "2016/3", "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": 3.1, "shares_held": 47974000 }, { "FY": "FY15", "period": "2016/3", "rank": 5, "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 資産管理サービス信託銀行株式会社", "shareholding_ratio": 2.97, "shares_held": 45979000 }, { "FY": "FY15", "period": "2016/3", "rank": 6, "name": "STATE STREET BANK AND TRUST COMPANY 505223 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 2.27, "shares_held": 35252000 }, { "FY": "FY15", "period": "2016/3", "rank": 7, "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": 1.89, "shares_held": 29262000 }, { "FY": "FY15", "period": "2016/3", "rank": 8, "name": "STATE STREET BANK AND TRUST COMPANY 505001 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 1.76, "shares_held": 27328000 }, { "FY": "FY15", "period": "2016/3", "rank": 9, "name": "ＩＨＩ共栄会", "shareholding_ratio": 1.63, "shares_held": 25285000 }, { "FY": "FY15", "period": "2016/3", "rank": 10, "name": "日本生命保険相互会社", "shareholding_ratio": 1.6, "shares_held": 24897000 }, { "FY": "FY16", "period": "2017/3", "rank": 1, "name": "日本トラスティ・サービス信託銀行株式会社（三井住友信託銀行再信託分・株式会社東芝退職給付信託口）", "shareholding_ratio": 3.58, "shares_held": 55422000 }, { "FY": "FY16", "period": "2017/3", "rank": 2, "name": "第一生命保険株式会社", "shareholding_ratio": 3.49, "shares_held": 54060000 }, { "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": 3.27, "shares_held": 50665000 }, { "FY": "FY16", "period": "2017/3", "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": 3.14, "shares_held": 48573000 }, { "FY": "FY16", "period": "2017/3", "rank": 5, "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 資産管理サービス信託銀行株式会社", "shareholding_ratio": 2.97, "shares_held": 45979000 }, { "FY": "FY16", "period": "2017/3", "rank": 6, "name": "STATE STREET BANK AND TRUST COMPANY 505001 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 2.8, "shares_held": 43454000 }, { "FY": "FY16", "period": "2017/3", "rank": 7, "name": "STATE STREET BANK AND TRUST COMPANY 505223 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 2.6, "shares_held": 40350000 }, { "FY": "FY16", "period": "2017/3", "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": 1.89, "shares_held": 29286000 }, { "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５）", "shareholding_ratio": 1.82, "shares_held": 28232000 }, { "FY": "FY16", "period": "2017/3", "rank": 10, "name": "ＩＨＩ共栄会", "shareholding_ratio": 1.65, "shares_held": 25572000 }, { "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": 5.45, "shares_held": 8425000 }, { "FY": "FY17", "period": "2018/3", "rank": 2, "name": "日本トラスティ・サービス信託銀行株式会社（信託口）", "shareholding_ratio": 4.49, "shares_held": 6938000 }, { "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（三井住友信託銀行再信託分・株式会社東芝退職給付信託口）", "shareholding_ratio": 3.58, "shares_held": 5542000 }, { "FY": "FY17", "period": "2018/3", "rank": 4, "name": "第一生命保険株式会社", "shareholding_ratio": 3.5, "shares_held": 5406000 }, { "FY": "FY17", "period": "2018/3", "rank": 5, "name": "STATE STREET BANK AND TRUST COMPANY 505001 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 3.07, "shares_held": 4756000 }, { "FY": "FY17", "period": "2018/3", "rank": 6, "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 資産管理サービス信託銀行株式会社", "shareholding_ratio": 2.97, "shares_held": 4597000 }, { "FY": "FY17", "period": "2018/3", "rank": 7, "name": "STATE STREET BANK AND TRUST COMPANY 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"shares_held": 2677000 }, { "FY": "FY19", "period": "2020/3", "rank": 8, "name": "住友生命保険相互会社", "shareholding_ratio": 1.51, "shares_held": 2262000 }, { "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": 1.49, "shares_held": 2233000 }, { "FY": "FY19", "period": "2020/3", "rank": 10, "name": "ＩＨＩ従業員持株会", "shareholding_ratio": 1.48, "shares_held": 2214000 }, { "FY": "FY20", "period": "2021/3", "rank": 1, "name": "株式会社日本カストディ銀行（信託口）", "shareholding_ratio": 8.85, "shares_held": 13201000 }, { "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": 8.84, "shares_held": 13188000 }, { "FY": "FY20", "period": "2021/3", "rank": 3, "name": "第一生命保険株式会社", "shareholding_ratio": 3.62, "shares_held": 5406000 }, { "FY": "FY20", "period": "2021/3", "rank": 4, "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": 3.08, "shares_held": 4597000 }, { "FY": "FY20", "period": "2021/3", 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"period": "2022/3", "rank": 10, "name": "STATE STREET BANK AND TRUST COMPANY 505103 （常任代理人 株式会社みずほ銀行決済営業部）", "shareholding_ratio": 1.09, "shares_held": 1658000 }, { "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": 14.45, "shares_held": 21952000 }, { "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": 8.12, "shares_held": 12339000 }, { "FY": "FY22", "period": "2023/3", "rank": 3, "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": 2.11, "shares_held": 3218000 }, { "FY": "FY22", "period": "2023/3", "rank": 4, "name": "STATE STREET BANK AND TRUST COMPANY 505001 (常任代理人 株式会社みずほ銀行決済営業部)", "shareholding_ratio": 2.05, "shares_held": 3124000 }, { "FY": "FY22", "period": "2023/3", "rank": 5, "name": "ＩＨＩ共栄会", "shareholding_ratio": 1.82, "shares_held": 2774000 }, { "FY": "FY22", "period": "2023/3", "rank": 6, "name": "第一生命保険株式会社", "shareholding_ratio": 1.77, "shares_held": 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