{
  "spec_version": "3",
  "endpoint": "shareholders",
  "stock_code": "6490",
  "company_name": "PILLAR",
  "content_lang": "ja",
  "meta_lang": "en",
  "canonical_url": "https://the-shashi.com/tse/6490/shareholders/",
  "api_url": "/api/6490/shareholders.json",
  "updated": "2026-08-17",
  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
  "attribution": "The社史 (the-shashi.com) — https://the-shashi.com/tse/6490/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": "日本トラスティ・サービス 信託銀行株式会社(信託口)",
      "shareholding_ratio": 6.33,
      "shares_held": 1586000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 2,
      "name": "ＫＢＬ ＥＰＢ Ｓ．Ａ．107704 （常任代理人 株式会社みずほ銀行）",
      "shareholding_ratio": 5.02,
      "shares_held": 1259000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 4.51,
      "shares_held": 1130000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 4,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.07,
      "shares_held": 1020000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 5,
      "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,
      "shares_held": 1003000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 6,
      "name": "岩波 清久",
      "shareholding_ratio": 2.87,
      "shares_held": 720000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.79,
      "shares_held": 700000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 8,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.76,
      "shares_held": 692000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 9,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.76,
      "shares_held": 692000
    },
    {
      "FY": "FY15",
      "period": "2016/3",
      "rank": 10,
      "name": "ＣＢＮＹ ＤＦＡ ＩＮＴＬ ＳＭＡＬＬ ＣＡＰ ＶＡＬＵＥ ＰＯＲＴＦＯＬＩＯ (常任代理人 シティバンク銀行株式会社）",
      "shareholding_ratio": 1.6,
      "shares_held": 401000
    },
    {
      "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(信託口)",
      "shareholding_ratio": 8.84,
      "shares_held": 2214000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 2,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 4.65,
      "shares_held": 1166000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 3,
      "name": "ＫＢＬ ＥＰＢ Ｓ．Ａ．107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 4.6,
      "shares_held": 1152000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 4,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.07,
      "shares_held": 1020000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 5,
      "name": "岩波 清久",
      "shareholding_ratio": 2.88,
      "shares_held": 721000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 6,
      "name": "日本マスタートラスト信託銀行 株式会社(信託口)",
      "shareholding_ratio": 2.8,
      "shares_held": 701000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.79,
      "shares_held": 700000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 8,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.76,
      "shares_held": 692000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 9,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.36,
      "shares_held": 592000
    },
    {
      "FY": "FY16",
      "period": "2017/3",
      "rank": 10,
      "name": "ＣＢＮＹ ＤＦＡ ＩＮＴＬ ＳＭＡＬＬ ＣＡＰ ＶＡＬＵＥ ＰＯＲＴＦＯＬＩＯ (常任代理人 シティバンク銀行 株式会社）",
      "shareholding_ratio": 1.57,
      "shares_held": 393000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 1,
      "name": "ＮＯＲＴＨＥＲＮ ＴＲＵＳＴ ＣＯ． (ＡＶＦＣ) ＲＥ ＩＥＤＵ ＵＣＩＴＳ ＣＬＩＥＮＴＳ ＮＯＮ ＬＥＮＤＩＮＧ 15 ＰＣＴ ＴＲＥＡＴＹ ＡＣＣＯＵＮＴ (常任代理人 香港上海銀行東京支店）",
      "shareholding_ratio": 5.1,
      "shares_held": 1247000
    },
    {
      "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": 5.07,
      "shares_held": 1239000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 4.66,
      "shares_held": 1139000
    },
    {
      "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": 4.44,
      "shares_held": 1085000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 5,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.17,
      "shares_held": 1020000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 6,
      "name": "ＫＢＬ ＥＰＢ Ｓ．Ａ．107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 4.14,
      "shares_held": 1012000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 7,
      "name": "岩波 清久",
      "shareholding_ratio": 2.96,
      "shares_held": 722000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 8,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.86,
      "shares_held": 700000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 9,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.83,
      "shares_held": 692000
    },
    {
      "FY": "FY17",
      "period": "2018/3",
      "rank": 10,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.42,
      "shares_held": 592000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 1,
      "name": "ＫＢＬ ＥＰＢ Ｓ．Ａ．107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 5.99,
      "shares_held": 1463000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 2,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 4.8,
      "shares_held": 1174000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 4.59,
      "shares_held": 1121000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "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": 4.32,
      "shares_held": 1055000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 5,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.17,
      "shares_held": 1020000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 6,
      "name": "岩波 清久",
      "shareholding_ratio": 2.96,
      "shares_held": 724000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.86,
      "shares_held": 700000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 8,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.83,
      "shares_held": 692000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 9,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.42,
      "shares_held": 592000
    },
    {
      "FY": "FY18",
      "period": "2019/3",
      "rank": 10,
      "name": "ＧＯＬＤＭＡＮ，ＳＡＣＨＳ＆ ＣＯ．ＲＥＧ （常任代理人 ゴールドマン・サックス証券株式会社）",
      "shareholding_ratio": 2.36,
      "shares_held": 576000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 1,
      "name": "ＫＢＬ ＥＰＢ Ｓ．Ａ．107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 7.07,
      "shares_held": 1708000
    },
    {
      "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": 5.19,
      "shares_held": 1252000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 5.1,
      "shares_held": 1230000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 4,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.23,
      "shares_held": 1020000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "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": 3.91,
      "shares_held": 944000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 6,
      "name": "岩波 清久",
      "shareholding_ratio": 3,
      "shares_held": 725000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 7,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.9,
      "shares_held": 700000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 8,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.87,
      "shares_held": 692000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 9,
      "name": "NORTHERN TRUST CO. (AVFC) RE HCR00 (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": 2.52,
      "shares_held": 609000
    },
    {
      "FY": "FY19",
      "period": "2020/3",
      "rank": 10,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.45,
      "shares_held": 592000
    },
    {
      "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": 5.14,
      "shares_held": 1215000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 2,
      "name": "QUINTET PRIVATE BANK（EUROPE） S.A. 107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 4.99,
      "shares_held": 1180000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 4.84,
      "shares_held": 1144000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 4,
      "name": "NORTHERN TRUST CO. (AVFC) RE HCR00 (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": 4.4,
      "shares_held": 1040000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 5,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.32,
      "shares_held": 1020000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 6,
      "name": "株式会社日本カストディ銀行(信託口)",
      "shareholding_ratio": 3.54,
      "shares_held": 836000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 7,
      "name": "岩波 清久",
      "shareholding_ratio": 3.11,
      "shares_held": 733000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 8,
      "name": "明治安田生命保険相互会社 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.96,
      "shares_held": 700000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 9,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 692000
    },
    {
      "FY": "FY20",
      "period": "2021/3",
      "rank": 10,
      "name": "株式会社みずほ銀行 (常任代理人 資産管理サービス 信託銀行株式会社)",
      "shareholding_ratio": 2.51,
      "shares_held": 592000
    },
    {
      "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": 13.5,
      "shares_held": 3191000
    },
    {
      "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": 7.76,
      "shares_held": 1835000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 5.01,
      "shares_held": 1184000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 4,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.32,
      "shares_held": 1020000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 5,
      "name": "岩波 清久",
      "shareholding_ratio": 3.12,
      "shares_held": 738000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.96,
      "shares_held": 700000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 7,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.93,
      "shares_held": 692000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 8,
      "name": "株式会社みずほ銀行 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.51,
      "shares_held": 592000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 9,
      "name": "HAYAT (常任代理人 株式会社三菱UFJ銀行)",
      "shareholding_ratio": 1.33,
      "shares_held": 314000
    },
    {
      "FY": "FY21",
      "period": "2022/3",
      "rank": 10,
      "name": "QUINTET PRIVATE BANK（EUROPE） S.A. 107704 （常任代理人 株式会社みずほ 銀行）",
      "shareholding_ratio": 1.25,
      "shares_held": 294000
    },
    {
      "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": 11.92,
      "shares_held": 2776000
    },
    {
      "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": 5.66,
      "shares_held": 1318000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 3,
      "name": "日本ピラー工業取引先持株会",
      "shareholding_ratio": 5.33,
      "shares_held": 1241000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 4,
      "name": "有限会社ロックウェーブ",
      "shareholding_ratio": 4.38,
      "shares_held": 1020000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 5,
      "name": "岩波 清久",
      "shareholding_ratio": 3.19,
      "shares_held": 742000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 6,
      "name": "明治安田生命保険相互会社 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 3,
      "shares_held": 700000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 7,
      "name": "株式会社三井住友銀行",
      "shareholding_ratio": 2.97,
      "shares_held": 692000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 8,
      "name": "株式会社みずほ銀行 (常任代理人 株式会社日本カストディ銀行)",
      "shareholding_ratio": 2.54,
      "shares_held": 592000
    },
    {
      "FY": "FY22",
      "period": "2023/3",
      "rank": 9,
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