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ＣＯ.,ＬＴＤ.","holder_sec_code":"9536","doc_id":"S100YE54","period_end":"2026-03-31","holder_table":"reporting","shares":1420000,"book_value_yen":568000000,"prior_shares":1420000,"prior_book_value_yen":485000000,"purpose_ja":"業界内の有力企業であり、主にガスセグメントにおける事業運営の強化・円滑化を目的としている。","reciprocal":"有","pct_outstanding":2.0658863833194863,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.4605492536345282,"pct_of_holder_assets":0.12192896778971546,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":123331000000,"holder_total_assets_yen":465845000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"大阪瓦斯株式会社","holder_name_en":"ＯＳＡＫＡ　ＧＡＳ　ＣＯ.,　ＬＴＤ.","holder_sec_code":"9532","doc_id":"S100YFQT","period_end":"2026-03-31","holder_table":"reporting","shares":1000000,"book_value_yen":400000000,"prior_shares":1000000,"prior_book_value_yen":342000000,"purpose_ja":"同社は当社のガス卸の取引先であり、取引関係強化を目的に株式を保有しております。","reciprocal":"有","pct_outstanding":1.454849565717948,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02157464720058165,"pct_of_holder_assets":0.012043096219822635,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":1854028000000,"holder_total_assets_yen":3321405000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"愛知時計電機株式会社","holder_name_en":"Aichi Tokei Denki Co., Ltd.","holder_sec_code":"7723","doc_id":"S100YF4W","period_end":"2026-03-31","holder_table":"reporting","shares":492400,"book_value_yen":196000000,"prior_shares":492400,"prior_book_value_yen":168000000,"purpose_ja":"（保有目的）計測器関連事業において重要な取引先であり、事業活動の円滑化、営業上の取引関係維持、強化など長期的経営戦略遂行のため保有しております。","reciprocal":"有","pct_outstanding":0.7163679261595176,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.3727440427514596,"pct_of_holder_assets":0.2788685902908201,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":52583000000,"holder_total_assets_yen":70284000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社ひろぎんホールディングス","holder_name_en":"Hirogin Holdings, Inc.","holder_sec_code":"7337","doc_id":"S100YCZN","period_end":"2026-03-31","holder_table":"largest","shares":410000,"book_value_yen":164000000,"prior_shares":410000,"prior_book_value_yen":140000000,"purpose_ja":"同社は、広島県に本社を有し、また当社グループの主要営業地域に複数の営業拠点を有するインフラ事業者であり、地域経済における産業・雇用創出に貢献していると認識しております。同社との各種取引（役職員との取引含む）における収益等及び当該株式の配当金額の合計と、株式保有に係る資本コストとの比較分析及び当該株式の配当金RORAと、保有する上場政策保有株式全体の配当金RORA（加重平均）との比較分析により、定量的な保有効果等を含め保有意義を確認しております。当社の主要営業地域の中核企業として認識しており、上記保有目的の通り、当社の企業価値向上に資するものとして保有しております。","reciprocal":"有","pct_outstanding":0.5964883219443587,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.028831413583111823,"pct_of_holder_assets":0.0013430965533276077,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":568824000000,"holder_total_assets_yen":12210589000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東京瓦斯株式会社","holder_name_en":"TOKYO GAS CO.,LTD.","holder_sec_code":"9531","doc_id":"S100YH8W","period_end":"2026-03-31","holder_table":"reporting","shares":266800,"book_value_yen":106000000,"prior_shares":533400,"prior_book_value_yen":182000000,"purpose_ja":"ガス・電力・サービス等の事業の維持・拡大を目的に保有するもの。","reciprocal":"有","pct_outstanding":0.3881538641335486,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.005900141770387634,"pct_of_holder_assets":0.002723347929793118,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":1796567000000,"holder_total_assets_yen":3892268000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"大和重工株式会社","holder_name_en":"Daiwa Heavy Industry Co.,Ltd.","holder_sec_code":"5610","doc_id":"S100T551","period_end":"2023-12-31","holder_table":"reporting","shares":230000,"book_value_yen":87860000,"prior_shares":230000,"prior_book_value_yen":79120000,"purpose_ja":"同社との直接的な取引はありませんが、同社グループと原料購買等の取引を行っており、同社グループとの中長期的な関係維持、強化を保有目的としております。定量的な保有効果の記載は困難ですが、保有目的の適切性、リスクに対する資本コストの比較等により保有の合理性を検証しております。","reciprocal":"有","pct_outstanding":0.33582418511750445,"pct_unavailable":null,"pct_basis_period_end":"2024-03-31","pct_share_classes":1,"pct_of_holder_equity":3.1141451519147068,"pct_of_holder_assets":1.365207229165401,"holder_equity_basis":"parent_only","holder_equity_yen":2821320000,"holder_total_assets_yen":6435653000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社栗本鐵工所","holder_name_en":"Kurimoto,Ltd.","holder_sec_code":"5602","doc_id":"S100YDW9","period_end":"2026-03-31","holder_table":"reporting","shares":75000,"book_value_yen":30000000,"prior_shares":75000,"prior_book_value_yen":25000000,"purpose_ja":"(保有目的)ライフライン事業において製品販売等を行っている重要な取引先で、同社との取引関係維持強化のため(定量的な保有効果)　(注)２  ","reciprocal":"無","pct_outstanding":0.10911371742884611,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.03143401999203672,"pct_of_holder_assets":0.019281940534495393,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":95438000000,"holder_total_assets_yen":155586000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"新コスモス電機株式会社","holder_name_en":"NEW COSMOS ELECTRIC CO.,LTD.","holder_sec_code":"6824","doc_id":"S100YJBP","period_end":"2026-03-31","holder_table":"reporting","shares":70000,"book_value_yen":28000000,"prior_shares":70000,"prior_book_value_yen":23940000,"purpose_ja":"主に家庭用ガス警報器関連に係る取引の強化のため保有しております。（注１）","reciprocal":"有","pct_outstanding":0.10183946960025637,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.04874386027558525,"pct_of_holder_assets":0.03812421457310084,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":57443132000,"holder_total_assets_yen":73444136000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"フマキラー株式会社","holder_name_en":"FUMAKILLA LIMITED","holder_sec_code":"4998","doc_id":"S100YGPK","period_end":"2026-03-31","holder_table":"reporting","shares":70000,"book_value_yen":28000000,"prior_shares":70000,"prior_book_value_yen":23000000,"purpose_ja":"調達取引関係の維持・発展のため（定量的な保有効果）（注）","reciprocal":"有","pct_outstanding":0.10183946960025637,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.09547515940941795,"pct_of_holder_assets":0.040842522900986056,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":29327000000,"holder_total_assets_yen":68556000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"中国工業株式会社","holder_name_en":"CHUGOKUKOGYO CO.,LTD.","holder_sec_code":"5974","doc_id":"S100YHRE","period_end":"2026-03-31","holder_table":"reporting","shares":54257,"book_value_yen":21000000,"prior_shares":52632,"prior_book_value_yen":18000000,"purpose_ja":"高圧機器事業の主要販売先であり、安定的な取引関係の維持・強化のため保有。増加は持株会による取得。当事業年度の受取配当金は0百万円。","reciprocal":"無","pct_outstanding":0.07893577288715871,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.32362459546925565,"pct_of_holder_assets":0.1615881809787627,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":6489000000,"holder_total_assets_yen":12996000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社山陰合同銀行","holder_name_en":"The San-in Godo Bank,Ltd.","holder_sec_code":"8381","doc_id":"S100YBU8","period_end":"2026-03-31","holder_table":"reporting","shares":50000,"book_value_yen":20000000,"prior_shares":50000,"prior_book_value_yen":17000000,"purpose_ja":"当行営業地域の山陽エリアに本社を置く上場企業であり、預金・貸出金取引等の維持・強化を目的に保有しております。なお、定量的な保有効果も含め、経済合理性を踏まえた保有合理性を検証しております。","reciprocal":"無","pct_outstanding":0.0727424782858974,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.006225429009876643,"pct_of_holder_assets":0.00022122144100328347,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":321263000000,"holder_total_assets_yen":9040715000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社山口フィナンシャルグループ","holder_name_en":"Yamaguchi Financial Group, Inc.","holder_sec_code":"8418","doc_id":"S100YE1V","period_end":"2026-03-31","holder_table":"largest","shares":40000,"book_value_yen":16000000,"prior_shares":160000,"prior_book_value_yen":54000000,"purpose_ja":"当社グループの営業地域内の上場企業である同社と総合的な金融取引等を維持強化し、地域持続可能性・当社企業価値の向上を図るため保有しております。","reciprocal":"有","pct_outstanding":0.05819398262871792,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.00238723663930794,"pct_of_holder_assets":0.00012139178104807236,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":670231000000,"holder_total_assets_yen":13180464000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"北陸瓦斯株式会社","holder_name_en":"HOKURIKU GAS CO.,LTD.","holder_sec_code":"9537","doc_id":"S100YIW6","period_end":"2026-03-31","holder_table":"reporting","shares":10000,"book_value_yen":4000000,"prior_shares":10000,"prior_book_value_yen":3000000,"purpose_ja":"事業上の関係強化を目的とし、取得原価と時価評価額の比較等による定量的評価を行った結果、保有の合理性を確認した。","reciprocal":"無","pct_outstanding":0.01454849565717948,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0070269433209386835,"pct_of_holder_assets":0.0055938195342359305,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":56923755000,"holder_total_assets_yen":71507491000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"中国電力株式会社","holder_name_en":"The Chugoku Electric Power Company, Incorporated","holder_sec_code":"9504","doc_id":"S100YGCV","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":80598,"prior_book_value_yen":27000000,"purpose_ja":"地域発展への貢献・地域社会との良好な関係の維持","reciprocal":"無","pct_outstanding":null,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":null,"pct_of_holder_assets":null,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":775292000000,"holder_total_assets_yen":4620500000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社イチネンホールディングス","holder_name_en":"ICHINEN HOLDINGS CO., LTD.","holder_sec_code":"9619","doc_id":"S100YCGP","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":50000,"prior_book_value_yen":17000000,"purpose_ja":"・当社グループにおいて主に自動車リース関連事業の取引先として関係の維持・強化を図るため保有しておりましたが、当事業年度において全株売却いたしました。","reciprocal":"無","pct_outstanding":null,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":null,"pct_of_holder_assets":null,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":72145000000,"holder_total_assets_yen":211603000000,"implausible":false,"reciprocal_held_both_ways":false}],"reclassified":[],"reclassified_note":"As filed, from the annual report's 保有目的を変更した投資株式 table. direction=to_pure means the filer moved the holding from a policy shareholding to 純投資目的 (pure investment); the shares are not necessarily sold, and the position leaves the named policy table in the year of the change. direction=to_policy is the reverse. fy_of_change_ja is the fiscal year the filer states the change took effect, verbatim — some filers list more than one. A filing repeats these rows for several years after the change, so this is a standing disclosure, not a one-year event.","implausible_note":"A row is flagged implausible when its two filed numbers are mutually impossible — book value ÷ shares of ¥1,000,000 or more, which no listed Japanese share reaches. It is a filer tagging error (a value entered at the wrong scale, or a share count in thousands), not an extraction error: the values match the filing's XBRL exactly. Flagged rows are still returned, exactly as filed, but are excluded from the yen aggregates here and counted in excluded_positions / excluded_yen so the exclusion is visible.","notes":[{"holder_table":"reporting","note_no":"1","text_ja":"(注) １　経営方針等と関連付けた定量的な保有効果については記載が困難であります。保有の合理性は、定性面及び配当利回り等から評価を行い、総合的に判断しております。"},{"holder_table":"reporting","note_no":"2","text_ja":"２　「当社の株式の保有の有無」について、当該会社は当社株式を保有しておりませんが、それぞれの子会社が当社株式を保有しております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３　大東建託㈱は、2025年10月１日付で普通株式１株につき５株の割合で株式分割を実施しております。"},{"holder_table":"reporting","note_no":"4","text_ja":"４　デジタルグリッド㈱は、非上場株式として保有しておりましたが、2025年４月22日付で上場したため当事業年度より記載しております。"}],"notes_note":"The filing's own numbered footnotes to the named policy table, verbatim. The XBRL numbers them (注)1, (注)2 … and gives no link back to a row, so a note is tied to a position only where it names that issuer.","flows":[],"flows_note":"The filer's own tally, as filed, of how many issues increased or decreased during the year and the yen involved — acquisition cost for increases, sale proceeds for decreases. Read against the reclassification table this separates what was actually sold from what merely changed category. Counts are as filed and are not corrected for filer tagging errors.","no_reduction_measure":"This product holds sale proceeds (売却価額), as filed, for one fiscal year. It does NOT hold a book-value-reduction measure. The two are different measures and must never be presented as equivalent.","scale":{"policy_total_yen":7238000000,"listed_yen":6719000000,"unlisted_yen":519000000,"listed_issues":19,"unlisted_issues":28,"equity_yen":74812000000,"equity_basis":"jgaap_consolidated","total_assets_yen":131832000000,"assets_basis":"jgaap_consolidated","pct_of_equity":9.674918462278779,"pct_of_assets":5.490321014624674,"equity_basis_label":"Consolidated net assets (Japanese GAAP)","assets_basis_label":"Consolidated net assets (Japanese GAAP)","equity_calc":"total policy shareholdings ÷ shareholders' equity × 100, both as filed in this annual securities report","assets_calc":"total policy shareholdings ÷ total assets × 100, both as filed in this annual securities report"},"scale_entities":[{"holder_table":"reporting","share_class":"listed","book_value_yen":6719000000,"issue_count":19,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":519000000,"issue_count":28,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"unlisted"}],"scale_history":[{"year":"2022","period_end":"2022-03-31","policy_total_yen":4562000000,"equity_yen":65067000000,"equity_basis":"jgaap_consolidated","pct_of_equity":7.011234573593373,"pct_of_assets":3.6849162372174926},{"year":"2023","period_end":"2023-03-31","policy_total_yen":4466000000,"equity_yen":67860000000,"equity_basis":"jgaap_consolidated","pct_of_equity":6.581196581196581,"pct_of_assets":3.1451590185639033},{"year":"2024","period_end":"2024-03-31","policy_total_yen":5805000000,"equity_yen":70512000000,"equity_basis":"jgaap_consolidated","pct_of_equity":8.232641252552757,"pct_of_assets":4.217891708082657},{"year":"2025","period_end":"2025-03-31","policy_total_yen":5286000000,"equity_yen":71592000000,"equity_basis":"jgaap_consolidated","pct_of_equity":7.383506537043245,"pct_of_assets":4.078924015957652},{"year":"2026","period_end":"2026-03-31","policy_total_yen":7238000000,"equity_yen":74812000000,"equity_basis":"jgaap_consolidated","pct_of_equity":9.674918462278779,"pct_of_assets":5.490321014624674}],"scale_note":"The policy total is Official (as filed) — the filing's own total carrying amount for the whole policy bucket, listed and unlisted, summed across the entities the filing discloses. It is a floor: holdings at group companies the filing does not name are disclosed nowhere and are not included. The percentages are calculated, not filed, and carry their formula. equity_basis names which figure the denominator is, because filers report under Japanese, IFRS or US accounting standards and an adopter of the latter two stops tagging the Japanese consolidated figure — a parent-only denominator is a different measure and is labelled as one, never silently mixed with a group figure. Percentages are null where equity or total assets is missing or not positive; missing is never shown as zero.","scale_reference":"ISS's Japan proxy voting guidelines recommend a vote against the top executive at a company that allocates 20 percent or more of its net assets to cross-shareholdings, a policy effective from February 2022. ISS counts unilateral holdings, not only mutual ones.","ownership_calc":"shares held ÷ (issuer's issued shares − treasury shares) × 100, both as filed, the denominator taken from the issuer's own annual securities report nearest the holding's fiscal year end","ownership_note":"Derived, not filed. The denominator is the issuer's own reported issued shares less treasury shares, from its annual report nearest this holding's fiscal year end on either side — pct_basis_period_end gives that date, and it can fall after the holding's date where that report is the closer one. For a single-class listed stock this equals the stake's share of market capitalisation. It is null where the issuer files no annual report we hold; where the issuer's share count moves by half or more across the window, because a split or issue makes the share base indeterminate; and where the result would exceed 100%, which is a data fault rather than a stake. It is less exact where the issuer has more than one share class (pct_share_classes > 1), because treasury shares are reported across all classes.","holder_share_calc":"this position's book value ÷ the holder's shareholders' equity (or total assets) × 100, both as filed in the holder's own annual securities report","holder_share_note":"The mirror of pct_outstanding. That sizes a stake against the ISSUER — how much of the issuer this holder owns. pct_of_holder_equity and pct_of_holder_assets size the same position against the HOLDER: how much of its own capital is committed to this one name. Calculated, not filed. Null where the holder's filing gives no usable denominator, never zero. holder_equity_basis says which accounting figure the denominator is, and a parent_only basis is not comparable with a consolidated one. A position CAN legitimately exceed 100% of equity — a holder whose book equity is smaller than one long-held stake is a real and commercially interesting case, not an error — so no ceiling is imposed. Extreme values are worth checking against the filing: where the position's own two filed numbers are mutually impossible the row is marked `implausible`, but that test catches only scale errors visible per share, so it does not catch every bad figure. The book value and share count are returned alongside so the reader can check.","action_calc":"keyword match over the filing's own stated purpose and table footnotes: 株式分割、株式併合、株式交換、株式移転、会社分割、合併、持株会社、商号変更、公開買付、上場廃止","ratio_calc":"current shares ÷ prior shares where that ratio is an exact whole number (or its exact reciprocal) — the signature of a split or a consolidation rather than a trade","history":[{"year":"2022","period_end":"2022-03-31","named_holdings":23,"book_value_yen":4019000000},{"year":"2023","period_end":"2023-03-31","named_holdings":23,"book_value_yen":3925000000},{"year":"2024","period_end":"2024-03-31","named_holdings":22,"book_value_yen":5262000000},{"year":"2025","period_end":"2025-03-31","named_holdings":20,"book_value_yen":4747000000},{"year":"2026","period_end":"2026-03-31","named_holdings":19,"book_value_yen":6708000000}],"history_note":"One point per annual report filed. Each year's book value is as filed; book values are fair-valued at period end, so a change reflects both trading and market moves.","provenance":{"trust":"official","note":"Figures exactly as filed in each company's 有価証券報告書 (annual securities report), EDINET. Raw filings archived with SHA-256; doc_id links to the source filing."}}