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Ltd.","holder_sec_code":"5446","doc_id":"S100YG3Z","period_end":"2026-03-31","holder_table":"reporting","shares":128500,"book_value_yen":279359000,"prior_shares":128500,"prior_book_value_yen":306344000,"purpose_ja":"（保有目的）発行会社傘下のフルサト工業に鉄鋼加工製品を販売しており、同社との取引協力関係の維持、強化を目的として保有している。（定量的な保有効果）保有目的に鑑み記載は困難であるが、取締役会において年に１回以上資本コスト等を踏まえた経済合理性の観点からも保有の妥当性を検証している。","reciprocal":"無","pct_outstanding":0.5288846547019102,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":1.5594964889431995,"pct_of_holder_assets":1.0807911283196454,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":17913410000,"holder_total_assets_yen":25847640000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"モリ工業株式会社","holder_name_en":"MORY INDUSTRIES INC.","holder_sec_code":"5464","doc_id":"S100YEUF","period_end":"2026-03-31","holder_table":"reporting","shares":106500,"book_value_yen":231000000,"prior_shares":106500,"prior_book_value_yen":253000000,"purpose_ja":"当社商・製品の販売先である発行会社グループとの取引関係の維持・強化を図るため。","reciprocal":"無","pct_outstanding":0.4383363091498321,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.39450763397889127,"pct_of_holder_assets":0.3179234506392876,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":58554000000,"holder_total_assets_yen":72659000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"アスカ株式会社","holder_name_en":"ASKA CORPORATION","holder_sec_code":"7227","doc_id":"S100XNA6","period_end":"2025-11-30","holder_table":"reporting","shares":77400,"book_value_yen":175156000,"prior_shares":77400,"prior_book_value_yen":177478000,"purpose_ja":"（保有目的）当社グループの生産設備において、重要取引先として、同社との良好な取引関係を維持・強化するため。（定量的な保有効果）（注）１","reciprocal":"無（注）２","pct_outstanding":0.3185655429877653,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":1.2051087429760012,"pct_of_holder_assets":0.4337031168505482,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":14534456000,"holder_total_assets_yen":40386152000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"アネスト岩田株式会社","holder_name_en":"ANEST IWATA Corporation","holder_sec_code":"6381","doc_id":"S100YF9W","period_end":"2026-03-31","holder_table":"reporting","shares":50468,"book_value_yen":109000000,"prior_shares":50468,"prior_book_value_yen":120000000,"purpose_ja":"営業取引上の関係性を維持・強化する目的で取得し、保有を継続してまいりましたが、これまでにお互いが得た知見を基に、各々の戦略をさらに強化していくこととして株式の売却を進めます。","reciprocal":"無","pct_outstanding":0.20771790469646692,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.18942685342879984,"pct_of_holder_assets":0.14603234147452474,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":57542000000,"holder_total_assets_yen":74641000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"日亜鋼業株式会社","holder_name_en":"NICHIA STEEL WORKS, LTD.","holder_sec_code":"5658","doc_id":"S100YIXZ","period_end":"2026-03-31","holder_table":"reporting","shares":48315,"book_value_yen":105036000,"prior_shares":48315,"prior_book_value_yen":115182000,"purpose_ja":"同社のグループ会社へ鋲螺線材製品を販売しており、取引関係の維持・強化のため保有。","reciprocal":"無","pct_outstanding":0.19885651433402948,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.18360758488324122,"pct_of_holder_assets":0.1436934255702229,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":57206787000,"holder_total_assets_yen":73097290000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"オークマ株式会社","holder_name_en":"OKUMA Corporation","holder_sec_code":"6103","doc_id":"S100YFQC","period_end":"2026-03-31","holder_table":"reporting","shares":38110,"book_value_yen":82000000,"prior_shares":38110,"prior_book_value_yen":90000000,"purpose_ja":"同社子会社が当社製品の販売代理店であり、取引関係を維持し、営業機会の創出を目的として保有","reciprocal":"有（注11）","pct_outstanding":0.15685442949953146,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.032041388095452074,"pct_of_holder_assets":0.02409029748579554,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":255919000000,"holder_total_assets_yen":340386000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"長野計器株式会社","holder_name_en":"NAGANO KEIKI CO.,LTD.","holder_sec_code":"7715","doc_id":"S100YLAN","period_end":"2026-03-31","holder_table":"reporting","shares":5550,"book_value_yen":12065000,"prior_shares":5550,"prior_book_value_yen":13231000,"purpose_ja":"取引関係維持・強化","reciprocal":"無","pct_outstanding":0.02284287808245604,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.02456908592777654,"pct_of_holder_assets":0.01577636698395144,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":49106426000,"holder_total_assets_yen":76475148000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"シンフォニアテクノロジー株式会社","holder_name_en":"SINFONIA TECHNOLOGY CO.,LTD.","holder_sec_code":"6507","doc_id":"S100YI4V","period_end":"2026-03-31","holder_table":"reporting","shares":5550,"book_value_yen":12000000,"prior_shares":5550,"prior_book_value_yen":13000000,"purpose_ja":"定量的な保有効果の記載は困難ですが、当該会社の子会社との販売面における取引の状況等に関する事業部門へのヒアリング結果を踏まえ、取締役会において保有の必要性を総合的に検証し、取引関係等を維持・強化するために保有継続を決議しています。","reciprocal":"無","pct_outstanding":0.02284287808245604,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.012132732089054254,"pct_of_holder_assets":0.007559531309058838,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":98906000000,"holder_total_assets_yen":158740000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社ダイヘン","holder_name_en":"DAIHEN Corporation","holder_sec_code":"6622","doc_id":"S100YEET","period_end":"2026-03-31","holder_table":"reporting","shares":2900,"book_value_yen":6000000,"prior_shares":2900,"prior_book_value_yen":6000000,"purpose_ja":"主にファクトリーオートメーション・マテリアルプロセシングにおける販売先で、産業用ロボット・溶接機等の販売を行っております。同社との良好な取引関係の維持・強化が当社事業の発展に資すると判断し、保有しております。","reciprocal":"無","pct_outstanding":0.011935918277319373,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.0035139915429936866,"pct_of_holder_assets":0.0018739751698289998,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":170746000000,"holder_total_assets_yen":320175000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"日東工器株式会社","holder_name_en":"NITTO KOHKI CO.,LTD.","holder_sec_code":"6151","doc_id":"S100YFFT","period_end":"2026-03-31","holder_table":"reporting","shares":1000,"book_value_yen":2000000,"prior_shares":1000,"prior_book_value_yen":2000000,"purpose_ja":"当社の販売流通機構における主要取引先であり、良好な取引関係の維持、市場情報の収集のため保有しております","reciprocal":"無","pct_outstanding":0.004115833888730818,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":0.003281808933083916,"pct_of_holder_assets":0.0029124799767001604,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":60942000000,"holder_total_assets_yen":68670000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"アジアパイルホールディングス株式会社","holder_name_en":"ASIA PILE HOLDINGS CORPORATION","holder_sec_code":"5288","doc_id":"S100YJPY","period_end":"2026-03-31","holder_table":"largest","shares":null,"book_value_yen":null,"prior_shares":35991,"prior_book_value_yen":85000000,"purpose_ja":"基礎建設関連の重機購入等、協業ビジネスにおいて関係強化","reciprocal":"無","pct_outstanding":null,"pct_unavailable":null,"pct_basis_period_end":"2025-12-31","pct_share_classes":1,"pct_of_holder_equity":null,"pct_of_holder_assets":null,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":55797000000,"holder_total_assets_yen":105710000000,"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":"largest","note_no":"1","text_ja":"（注）１．定量的な保有効果は記載が困難であるため、記載しておりません。なお、保有の合理性を検証した方法については「①　イ」に記載したとおりであります。"},{"holder_table":"largest","note_no":"2","text_ja":"２．清和中央ホールディングス株式会社は当社株式を保有しておりませんが、同社子会社である清和鋼業株式会社は当社株式を保有しております。"},{"holder_table":"largest","note_no":"3","text_ja":"３．特定投資株式とみなし保有株式の銘柄数の合計が60銘柄に満たないため、全銘柄を記載しております。"},{"holder_table":"largest","note_no":"4","text_ja":"４．モリ工業株式会社は、2025年４月１日付で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":"largest","note_no":"5","text_ja":"５．神鋼商事株式会社は、2025年４月１日付で１株につき３株の割合で株式分割を実施しております。"},{"holder_table":"largest","note_no":"6","text_ja":"６．大東建託株式会社は、2025年10月１日付で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":"second_largest","note_no":"1","text_ja":"（注）１．定量的な保有効果は記載が困難であるため、記載しておりません。なお、保有の合理性を検証した方法については「①　イ」に記載したとおりであります。"},{"holder_table":"second_largest","note_no":"2","text_ja":"２．フクシマガリレイ株式会社は当社株式を保有しておりませんが、同社子会社であるタカハシガリレイ株式会社は当社株式を保有しております。"},{"holder_table":"second_largest","note_no":"3","text_ja":"３．フクシマガリレイ㈱は、2025年４月１日付でガリレイ㈱に商号変更しております。"},{"holder_table":"second_largest","note_no":"4","text_ja":"４．トヨタ自動車株式会社は当社株式を保有しておりませんが、同社子会社であるダイハツ工業株式会社は当社株式を保有しております。"},{"holder_table":"second_largest","note_no":"5","text_ja":"５．株式会社神戸製鋼所は当社株式を保有しておりませんが、同社子会社であるコベルコ建機株式会社は当社株式を保有しております。"},{"holder_table":"second_largest","note_no":"6","text_ja":"６．サノヤスホールディングス株式会社は当社株式を保有しておりませんが、同子会社であるサノヤス・エンジニアリング株式会社は当社株式を保有しております。"},{"holder_table":"second_largest","note_no":"7","text_ja":"７．特定投資株式とみなし保有株式の銘柄数の合計が、株式会社マルカの貸借対照表計上額の上位10銘柄となる銘柄について記載しております。"}],"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":[{"holder_table":"largest","share_class":"listed","issues_increased":2,"acquisition_cost_yen":10000000,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"largest_holding_company","share_scope":"listed"},{"holder_table":"largest","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"largest_holding_company","share_scope":"unlisted"},{"holder_table":"second_largest","share_class":"listed","issues_increased":2,"acquisition_cost_yen":5000000,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"second_largest_holding_company","share_scope":"listed"},{"holder_table":"second_largest","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":null,"sale_proceeds_yen":null,"entity_scope":"second_largest_holding_company","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":2204000000,"listed_yen":2126000000,"unlisted_yen":78000000,"listed_issues":22,"unlisted_issues":7,"equity_yen":73876000000,"equity_basis":"jgaap_consolidated","total_assets_yen":117020000000,"assets_basis":"jgaap_consolidated","pct_of_equity":2.983377551572906,"pct_of_assets":1.8834387284224918,"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":"largest","share_class":"listed","book_value_yen":1335000000,"issue_count":7,"holder_table_label":"Largest holder in the group","entity_scope":"largest_holding_company","share_scope":"listed"},{"holder_table":"second_largest","share_class":"listed","book_value_yen":791000000,"issue_count":15,"holder_table_label":"Second largest holder in the group","entity_scope":"second_largest_holding_company","share_scope":"listed"},{"holder_table":"second_largest","share_class":"unlisted","book_value_yen":78000000,"issue_count":7,"holder_table_label":"Second largest holder in the group","entity_scope":"second_largest_holding_company","share_scope":"unlisted"}],"scale_history":[{"year":"2021","period_end":"2021-12-31","policy_total_yen":2198000000,"equity_yen":67361000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.263015691572275,"pct_of_assets":2.024052894266718},{"year":"2022","period_end":"2022-12-31","policy_total_yen":2267000000,"equity_yen":72139000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.142544254841348,"pct_of_assets":1.8443789966968775},{"year":"2023","period_end":"2023-12-31","policy_total_yen":2961000000,"equity_yen":72719000000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.071838171592018,"pct_of_assets":2.4604876103106146},{"year":"2024","period_end":"2024-12-31","policy_total_yen":1903000000,"equity_yen":73373000000,"equity_basis":"jgaap_consolidated","pct_of_equity":2.5935970997505895,"pct_of_assets":1.5750573161950323},{"year":"2025","period_end":"2025-12-31","policy_total_yen":2204000000,"equity_yen":73876000000,"equity_basis":"jgaap_consolidated","pct_of_equity":2.983377551572906,"pct_of_assets":1.8834387284224918}],"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":"2021","period_end":"2021-12-31","named_holdings":40,"book_value_yen":2180000000},{"year":"2022","period_end":"2022-12-31","named_holdings":39,"book_value_yen":2240000000},{"year":"2023","period_end":"2023-12-31","named_holdings":39,"book_value_yen":2940000000},{"year":"2024","period_end":"2024-12-31","named_holdings":28,"book_value_yen":1813000000},{"year":"2025","period_end":"2025-12-31","named_holdings":17,"book_value_yen":2110000000}],"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."}}