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Corporation","holder_sec_code":"6586","doc_id":"S100YH4M","period_end":"2026-03-31","holder_table":"reporting","shares":46800,"book_value_yen":204000000,"prior_shares":15600,"prior_book_value_yen":146000000,"purpose_ja":"販売先としての関係の維持、強化のために保有する合理性があると判断しております。なお、株式分割のため株数が増加しております。","reciprocal":"有","pct_outstanding":0.13177507987385972,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02045440872721439,"pct_of_holder_assets":0.017270791620279634,"holder_equity_basis":"ifrs_consolidated_excl_nci","holder_equity_yen":997340000000,"holder_total_assets_yen":1181185000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"協栄産業株式会社","holder_name_en":"KYOEI SANGYO CO.,LTD.","holder_sec_code":"6973","doc_id":"S100W475","period_end":"2025-03-31","holder_table":"reporting","shares":16200,"book_value_yen":151308000,"prior_shares":16200,"prior_book_value_yen":114210000,"purpose_ja":"主に半導体デバイス事業の取引先であり、取引関係の維持強化のため、同社株式を保有しております。同社に対し、主に三菱電機パワー半導体の販売を行うなど継続的な取引があり、保有に見合う便益が得られ、当社の企業価値向上につながるものと判断しております。","reciprocal":"有","pct_outstanding":0.1357729212977176,"pct_unavailable":null,"pct_basis_period_end":"2025-03-31","pct_share_classes":1,"pct_of_holder_equity":0.7965358995489202,"pct_of_holder_assets":0.39960546526789437,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":18995754000,"holder_total_assets_yen":37864347000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"新光商事株式会社","holder_name_en":"Shinko Shoji Co., Ltd.","holder_sec_code":"8141","doc_id":"S100YME7","period_end":"2026-03-31","holder_table":"reporting","shares":13512,"book_value_yen":58000000,"prior_shares":4504,"prior_book_value_yen":42000000,"purpose_ja":"(保有目的)主に安定的な営業取引により協力関係・取引関係の維持及び株式保有による収益獲得を通じた企業成長を通して中長期的に当社の企業価値を向上させるとの視点に立ち、株式を保有しています。(定量的な保有効果)(注)１","reciprocal":"無","pct_outstanding":0.03804583075332463,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.10832819708260959,"pct_of_holder_assets":0.07178573196692906,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":53541000000,"holder_total_assets_yen":80796000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"日本電計株式会社","holder_name_en":"NIHON DENKEI CO.,LTD.","holder_sec_code":"9908","doc_id":"S100YDG7","period_end":"2026-03-31","holder_table":"reporting","shares":13246,"book_value_yen":57752000,"prior_shares":4330,"prior_book_value_yen":40442000,"purpose_ja":"主要な販売先の1社。同社の取引先持株会にも加入。当社は、商社として、販売先の購買部門との協業が不可欠であり、企業間の取引紐帯強化の一環として保有しているものであります。また株式数が増加した理由は、取引先持株会加入による買付によるものであります。","reciprocal":"無","pct_outstanding":0.03729685273523816,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.17269354231349124,"pct_of_holder_assets":0.07326809979096922,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":33441899000,"holder_total_assets_yen":78822844000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"北野建設株式会社","holder_name_en":"KITANO CONSTRUCTION CORP.","holder_sec_code":"1866","doc_id":"S100YM22","period_end":"2026-03-31","holder_table":"reporting","shares":10200,"book_value_yen":44000000,"prior_shares":3400,"prior_book_value_yen":31000000,"purpose_ja":"取引関係の維持・強化のため保有。なお、当事業年度に株式分割が行われたことにより、株式数が増加しています。","reciprocal":"有","pct_outstanding":0.02872020971609763,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.08437200383509108,"pct_of_holder_assets":0.054774057014813894,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":52150000000,"holder_total_assets_yen":80330000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"岡谷電機産業株式会社","holder_name_en":"OKAYA ELECTRIC INDUSTRIES CO.,LTD.","holder_sec_code":"6926","doc_id":"S100YJ7H","period_end":"2026-03-31","holder_table":"reporting","shares":9600,"book_value_yen":41856000,"prior_shares":3200,"prior_book_value_yen":29888000,"purpose_ja":"当社事業との関係性及び将来における事業上の交流の可能性が、当社の中長期的な企業価値向上に資すると判断したため","reciprocal":"無（注）６","pct_outstanding":0.02703078561515071,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.7065297112657357,"pct_of_holder_assets":0.3123212897818646,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":5924167000,"holder_total_assets_yen":13401584000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"古野電気株式会社","holder_name_en":"FURUNO ELECTRIC CO., LTD.","holder_sec_code":"6814","doc_id":"S100YS03","period_end":"2026-02-28","holder_table":"reporting","shares":6432,"book_value_yen":32000000,"prior_shares":2144,"prior_book_value_yen":18000000,"purpose_ja":"当社原材料の調達取引を行っており、同社と良好な取引関係の維持・強化を図ることが当社の中長期的な企業価値向上に資するため保有しています。","reciprocal":"有","pct_outstanding":0.018110626362150977,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.03564585839682752,"pct_of_holder_assets":0.02263659771936278,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":89772000000,"holder_total_assets_yen":141364000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社リョーサン","holder_name_en":"Ryosan Company, Limited","holder_sec_code":null,"doc_id":"S100TXSF","period_end":"2024-03-31","holder_table":"reporting","shares":3948,"book_value_yen":27000000,"prior_shares":3948,"prior_book_value_yen":24000000,"purpose_ja":"冷却ファン領域において、当社ソリューション及びデバイスセグメントの事業活動による新たな価値の創造、事業機会の創出や取引・協業関係の構築・維持・強化を目的として保有しております。当社は保有株式について資本コストを踏まえ、配当・取引額等に加え、経営戦略上の重要性や事業上の関係等を総合的に判断し保有しています。定量的な効果については営業秘密との判断により記載しませんが、上記方針に基づき十分な定量的効果があると判断しています。","reciprocal":"有","pct_outstanding":0.0331033455760372,"pct_unavailable":null,"pct_basis_period_end":"2024-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02478019053213165,"pct_of_holder_assets":0.015474907723698389,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":108958000000,"holder_total_assets_yen":174476000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社リョーサン","holder_name_en":"Ryosan Company, Limited","holder_sec_code":"8140","doc_id":"S100R322","period_end":"2023-03-31","holder_table":"reporting","shares":3948,"book_value_yen":24000000,"prior_shares":3948,"prior_book_value_yen":19000000,"purpose_ja":"冷却ファン領域において、当社ソリューション及びデバイスセグメントの事業活動による新たな価値の創造、事業機会の創出や取引・協業関係の構築・維持・強化を目的として保有しております。当社は保有株式について資本コストを踏まえ、配当・取引額等に加え、経営戦略上の重要性や事業上の関係等を総合的に判断し保有しています。定量的な効果については営業秘密との判断により記載しませんが、上記方針に基づき十分な定量的効果があると判断しています。","reciprocal":"有","pct_outstanding":0.03259553865489903,"pct_unavailable":null,"pct_basis_period_end":"2023-03-31","pct_share_classes":1,"pct_of_holder_equity":0.023361984211192337,"pct_of_holder_assets":0.012753204242565945,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":102731000000,"holder_total_assets_yen":188188000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社テクノアソシエ","holder_name_en":"TECHNO ASSOCIE Co.,Ltd.","holder_sec_code":"8249","doc_id":"S100O969","period_end":"2022-03-31","holder_table":"reporting","shares":220,"book_value_yen":1000000,"prior_shares":220,"prior_book_value_yen":1000000,"purpose_ja":"保有目的は企業間取引の強化であります。定量的な保有効果は記載が困難であり、保有の合理性の検証については、a.をご参照ください。","reciprocal":"無","pct_outstanding":0.0018178832947019362,"pct_unavailable":null,"pct_basis_period_end":"2022-03-31","pct_share_classes":1,"pct_of_holder_equity":0.001859427296392711,"pct_of_holder_assets":0.0013419936657898975,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":53780000000,"holder_total_assets_yen":74516000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"リョーサン菱洋ホールディングス株式会社","holder_name_en":"Ryoyo Ryosan Holdings, Inc.","holder_sec_code":"167A","doc_id":"S100YHJV","period_end":"2026-03-31","holder_table":"largest","shares":null,"book_value_yen":null,"prior_shares":3948,"prior_book_value_yen":36000000,"purpose_ja":"取引関係の維持・強化を目的として保有しておりましたが、新たな基本方針に則り再区分した結果、当該事業年度にて全株式を売却しました。","reciprocal":"有","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":136895000000,"holder_total_assets_yen":250806000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社京写","holder_name_en":"KYOSHA CO., LTD.","holder_sec_code":"6837","doc_id":"S100YHX8","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":8400,"prior_book_value_yen":78000000,"purpose_ja":"（保有目的）取引先との関係強化。","reciprocal":"有","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":10137000000,"holder_total_assets_yen":24961000000,"implausible":false,"reciprocal_held_both_ways":true}],"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  定量的な保有効果については記載が困難です。毎月、取締役会で、個別の保有株式について精査し、取引関係の強化による収益獲得が期待できるか、株式を保有することにより中長期的な収益機会を有するかを判断して保有しています。"},{"holder_table":"reporting","note_no":"2","text_ja":"２  日比谷総合設備㈱は、2026年３月31日付で普通株式１株を２株に分割しています。"},{"holder_table":"reporting","note_no":"3","text_ja":"３  ㈱SCREENホールディングスは、2026年３月31日付で普通株式１株を２株に分割しています。"},{"holder_table":"reporting","note_no":"4","text_ja":"４  ノーリツ鋼機㈱は、2025年６月30日付で普通株式１株を３株に分割しています。"},{"holder_table":"reporting","note_no":"5","text_ja":"５  日精樹脂工業㈱は2026年3月30日付で上場廃止となっておりますが、日精樹脂工業㈱とTOYOイノベックス㈱との共同株式移転により設立された、GMSグループ㈱の株式の割当を受けております。"},{"holder_table":"reporting","note_no":"6","text_ja":"６  北野建設㈱は、2025年９月30日付で普通株式１株を４株に分割しています。"}],"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":3,"acquisition_cost_yen":20000000,"issues_decreased":1,"sale_proceeds_yen":58000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"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":11209000000,"listed_yen":11200000000,"unlisted_yen":9000000,"listed_issues":30,"unlisted_issues":5,"equity_yen":127860000000,"equity_basis":"ifrs_consolidated_excl_nci","total_assets_yen":166367000000,"assets_basis":"ifrs_consolidated","pct_of_equity":8.766619740340998,"pct_of_assets":6.737514050262372,"equity_basis_label":"Consolidated equity attributable to owners of the parent (IFRS)","assets_basis_label":"Consolidated total equity (IFRS)","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":11200000000,"issue_count":30,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":9000000,"issue_count":5,"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":6786000000,"equity_yen":80645000000,"equity_basis":"ifrs_consolidated_excl_nci","pct_of_equity":8.414656829313659,"pct_of_assets":5.274079600830049},{"year":"2023","period_end":"2023-03-31","policy_total_yen":7240000000,"equity_yen":93205000000,"equity_basis":"ifrs_consolidated_excl_nci","pct_of_equity":7.76782361461295,"pct_of_assets":5.032285867200478},{"year":"2024","period_end":"2024-03-31","policy_total_yen":10330000000,"equity_yen":110358000000,"equity_basis":"ifrs_consolidated_excl_nci","pct_of_equity":9.360445096866561,"pct_of_assets":6.8552240390741135},{"year":"2025","period_end":"2025-03-31","policy_total_yen":7672000000,"equity_yen":113347000000,"equity_basis":"ifrs_consolidated_excl_nci","pct_of_equity":6.768595551712882,"pct_of_assets":5.268217650451836},{"year":"2026","period_end":"2026-03-31","policy_total_yen":11209000000,"equity_yen":127860000000,"equity_basis":"ifrs_consolidated_excl_nci","pct_of_equity":8.766619740340998,"pct_of_assets":6.737514050262372}],"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":"2019","period_end":"2019-03-31","named_holdings":36,"book_value_yen":6215000000},{"year":"2022","period_end":"2022-03-31","named_holdings":36,"book_value_yen":6760000000},{"year":"2023","period_end":"2023-03-31","named_holdings":36,"book_value_yen":7215000000},{"year":"2024","period_end":"2024-03-31","named_holdings":36,"book_value_yen":10304000000},{"year":"2025","period_end":"2025-03-31","named_holdings":35,"book_value_yen":7649000000},{"year":"2026","period_end":"2026-03-31","named_holdings":31,"book_value_yen":11187000000}],"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."}}