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Corporation","holder_sec_code":"6841","doc_id":"S100YE3H","period_end":"2026-03-31","holder_table":"reporting","shares":33075,"book_value_yen":211000000,"prior_shares":33075,"prior_book_value_yen":111000000,"purpose_ja":"事業上の取引関係の維持・強化を目的に保有。主に制御事業における取引等の効果。","reciprocal":"無","pct_outstanding":0.008617280206595874,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.03981928461163931,"pct_of_holder_assets":0.02652026475016905,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":529894000000,"holder_total_assets_yen":795618000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社石井鐵工所","holder_name_en":"Ishii Iron Works Co.,Ltd.","holder_sec_code":"6362","doc_id":"S100TSAT","period_end":"2024-03-31","holder_table":"reporting","shares":60967,"book_value_yen":206800000,"prior_shares":60967,"prior_book_value_yen":132969000,"purpose_ja":"鉄構事業における主要顧客である当該会社との取引関係の維持・強化のために保有し、保有に伴う便益やリスクが資本コストに見合っているかを検証しております。","reciprocal":"有","pct_outstanding":0.014911245961084061,"pct_unavailable":null,"pct_basis_period_end":"2024-03-31","pct_share_classes":1,"pct_of_holder_equity":1.6372525951403682,"pct_of_holder_assets":0.9902104671279572,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":12630916000,"holder_total_assets_yen":20884449000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社　島津製作所","holder_name_en":"Shimadzu Corporation","holder_sec_code":"7701","doc_id":"S100YGJF","period_end":"2026-03-31","holder_table":"reporting","shares":24600,"book_value_yen":156000000,"prior_shares":24600,"prior_book_value_yen":83000000,"purpose_ja":"資材調達での取引および協力関係の維持・強化により、中長期的な企業価値向上を図るため保有しています。","reciprocal":"有","pct_outstanding":0.0064092242806427354,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.027602509705113187,"pct_of_holder_assets":0.0211388415372816,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":565166000000,"holder_total_assets_yen":737978000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社錢高組","holder_name_en":"THE ZENITAKA CORPORATION","holder_sec_code":"1811","doc_id":"S100YJ24","period_end":"2026-03-31","holder_table":"reporting","shares":22050,"book_value_yen":140000000,"prior_shares":22050,"prior_book_value_yen":74000000,"purpose_ja":"中長期的な取引関係の強化を通じて、当社グループの企業価値向上に資する事を目的として保有しております。","reciprocal":"無","pct_outstanding":0.005744853471063916,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.12148137864010274,"pct_of_holder_assets":0.06437995208292138,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":115244000000,"holder_total_assets_yen":217459000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社ＬＩＸＩＬ","holder_name_en":"LIXIL Corporation","holder_sec_code":"5938","doc_id":"S100YD5L","period_end":"2026-03-31","holder_table":"reporting","shares":20109,"book_value_yen":128000000,"prior_shares":20109,"prior_book_value_yen":68000000,"purpose_ja":"傘下子会社の大阪ガスマーケティング㈱のリフォーム事業での売上拡大を目的に保有。株式保有のメリット（インシェア・売上・利益・配当収入等）等を総合的に勘案し、保有に合理性があると判断した。","reciprocal":"無","pct_outstanding":0.0052391500430668606,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.019252810459089283,"pct_of_holder_assets":0.006794318463507344,"holder_equity_basis":"ifrs_consolidated_excl_nci","holder_equity_yen":664838000000,"holder_total_assets_yen":1883927000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"クリナップ株式会社","holder_name_en":"Cleanup Corporation","holder_sec_code":"7955","doc_id":"S100YHN2","period_end":"2026-03-31","holder_table":"reporting","shares":6615,"book_value_yen":42000000,"prior_shares":6615,"prior_book_value_yen":22000000,"purpose_ja":"（保有目的）当社グループの商品・サービスに係る業務のより円滑な推進のため（定量的な保有効果）（注）２","reciprocal":"無","pct_outstanding":0.0017234560413191746,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.06948580504268413,"pct_of_holder_assets":0.0449486301369863,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":60444000000,"holder_total_assets_yen":93440000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"ＴＯＴＯ株式会社","holder_name_en":"ＴＯＴＯ ＬＴＤ.","holder_sec_code":"5332","doc_id":"S100YC72","period_end":"2026-03-31","holder_table":"reporting","shares":6615,"book_value_yen":42000000,"prior_shares":6615,"prior_book_value_yen":22000000,"purpose_ja":"同社は、当社の住設事業における重要な取引先であり、関係性強化と取引拡大を目的として株式を保有しており、継続的な保有の合理性があると判断しています。","reciprocal":"無","pct_outstanding":0.0017234560413191746,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.007866435418438176,"pct_of_holder_assets":0.005075632973728765,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":533914000000,"holder_total_assets_yen":827483000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"エア・ウォーター株式会社","holder_name_en":"AIR WATER INC.","holder_sec_code":"4088","doc_id":"S100YZGY","period_end":"2026-03-31","holder_table":"reporting","shares":6615,"book_value_yen":42000000,"prior_shares":6615,"prior_book_value_yen":22000000,"purpose_ja":"デジタル＆インダストリーグループにおける産業ガスの販売先であり、同社のグループ会社と産業ガスの製造工場を共同運営しております。相互の事業拡大・企業価値向上を目的として関係強化を図るため、継続して保有しております。","reciprocal":"有","pct_outstanding":0.0017234560413191746,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.010762911008664144,"pct_of_holder_assets":0.0034531323610299215,"holder_equity_basis":"ifrs_consolidated_excl_nci","holder_equity_yen":390229000000,"holder_total_assets_yen":1216287000000,"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":2000,"book_value_yen":12000000,"prior_shares":2000,"prior_book_value_yen":6000000,"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":0.0005210751447677021,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02108082996281605,"pct_of_holder_assets":0.016781458602707792,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":56923755000,"holder_total_assets_yen":71507491000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"ダイダン株式会社","holder_name_en":"DAI-DAN CO., LTD.","holder_sec_code":"1980","doc_id":"S100Z203","period_end":"2026-03-31","holder_table":"reporting","shares":196,"book_value_yen":1000000,"prior_shares":null,"prior_book_value_yen":null,"purpose_ja":"今後の工事受注を主とした取引関係強化のために保有しております。定量的な保有効果につきましては、保有先の機密保持の観点から記載しておりませんが、同社株式について、良好な取引関係の維持と強化が長期的・安定的な企業価値に繋がること及び関連する取引利益や配当金等を含めた株式保有による収益が資本コストを上回っていることを検証し、保有意義の確認を行っております。","reciprocal":"無","pct_outstanding":5.1065364187234806e-05,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0007525643630671513,"pct_of_holder_assets":0.00043089704146091333,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":132879000000,"holder_total_assets_yen":232074000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"京葉瓦斯株式会社","holder_name_en":"KEIYO GAS CO., LTD.","holder_sec_code":"9539","doc_id":"S100XTA9","period_end":"2025-12-31","holder_table":"reporting","shares":200,"book_value_yen":1000000,"prior_shares":200,"prior_book_value_yen":0,"purpose_ja":"事業運営上の関係維持・強化、主にエネルギーセグメントにおける取引・関係","reciprocal":"無","pct_outstanding":5.210751447677021e-05,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0009566174008705219,"pct_of_holder_assets":0.0005616305257423351,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":104535000000,"holder_total_assets_yen":178053000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"前澤給装工業株式会社","holder_name_en":"MAEZAWA KYUSO INDUSTRIES CO.,LTD.","holder_sec_code":"6485","doc_id":"S100YIVJ","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":1000,"prior_book_value_yen":3000000,"purpose_ja":"住宅・建築設備事業の顧客でありますが、保有継続について、総合的に検証した結果、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":"parent_only","holder_equity_yen":40730000000,"holder_total_assets_yen":47573000000,"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  定量的な保有効果は、個別の取引状況等に係るため、記載が困難であります。保有の合理性は、配当金・関連取引利益等の関連収益が目標資本コストを上回っているかなどについて検証し、その内容を2025年12月に取締役会において報告しております。"},{"holder_table":"reporting","note_no":"2","text_ja":"２  当社の株式の保有の有無については、銘柄が持株会社の場合はその主要な子会社の保有分(実質所有株式数)を勘案し記載しております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３　三井化学株式会社は2026年１月１日を効力発生日として、普通株式１株につき２株の割合にて株式分割を行い、当該時点をもって当社の保有株式数は188,400株となりました。"},{"holder_table":"reporting","note_no":"4","text_ja":"４　「―」は、当該銘柄を保有していないことを示しております。"}],"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":[{"holder_table":"reporting","share_class":"listed","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":2,"sale_proceeds_yen":2967000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":2,"acquisition_cost_yen":59000000,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"parent_only","share_scope":"unlisted"}],"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":77985000000,"listed_yen":72658000000,"unlisted_yen":5327000000,"listed_issues":36,"unlisted_issues":137,"equity_yen":1854028000000,"equity_basis":"jgaap_consolidated","total_assets_yen":3321405000000,"assets_basis":"jgaap_consolidated","pct_of_equity":4.206247154843401,"pct_of_assets":2.3479521467571707,"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":72658000000,"issue_count":36,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":5327000000,"issue_count":137,"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":82646000000,"equity_yen":1284132000000,"equity_basis":"jgaap_consolidated","pct_of_equity":6.435942722399255,"pct_of_assets":3.2160241635694966},{"year":"2023","period_end":"2023-03-31","policy_total_yen":77572000000,"equity_yen":1417178000000,"equity_basis":"jgaap_consolidated","pct_of_equity":5.473694906356153,"pct_of_assets":2.7511811118570826},{"year":"2024","period_end":"2024-03-31","policy_total_yen":93740000000,"equity_yen":1604992000000,"equity_basis":"jgaap_consolidated","pct_of_equity":5.840527554031422,"pct_of_assets":3.145503530554235},{"year":"2025","period_end":"2025-03-31","policy_total_yen":64794000000,"equity_yen":1739291000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.725311060656325,"pct_of_assets":2.0244803586911524},{"year":"2026","period_end":"2026-03-31","policy_total_yen":77985000000,"equity_yen":1854028000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.206247154843401,"pct_of_assets":2.3479521467571707}],"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":51,"book_value_yen":77795000000},{"year":"2023","period_end":"2023-03-31","named_holdings":48,"book_value_yen":72730000000},{"year":"2024","period_end":"2024-03-31","named_holdings":41,"book_value_yen":86178000000},{"year":"2025","period_end":"2025-03-31","named_holdings":41,"book_value_yen":59143000000},{"year":"2026","period_end":"2026-03-31","named_holdings":37,"book_value_yen":72644000000}],"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."}}