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Corp.","holder_sec_code":"7613","doc_id":"S100XUJ0","period_end":"2025-12-31","holder_table":"reporting","shares":39600,"book_value_yen":133000000,"prior_shares":39600,"prior_book_value_yen":98000000,"purpose_ja":"①:同社は当社ＥＭＳ事業における重要な仕入先であります。各国の政策や市場需給の変化等による電子部品の調達環境の悪化リスクやＢＣＰの観点を考慮したうえで、主要仕入先について安定的な部材調達をより有利に行うことを目的に、取引関係の円滑化、維持・強化のため、保有しております。②:(注）１③:－","reciprocal":"有","pct_outstanding":0.3889604384016319,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.12815077468588607,"pct_of_holder_assets":0.0639847591190309,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":103784000000,"holder_total_assets_yen":207862000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社山形銀行","holder_name_en":"The Yamagata Bank, Ltd.","holder_sec_code":"8344","doc_id":"S100YE2M","period_end":"2026-03-31","holder_table":"reporting","shares":37900,"book_value_yen":113000000,"prior_shares":37900,"prior_book_value_yen":76000000,"purpose_ja":"同社グループは山形県東根市に生産拠点を有しており、地域の経済発展・雇用創出に貢献しております。同社グループとの関係の維持・向上が当行の中長期的な企業価値向上に資するとともに、採算性の指標が基準を満たしており、合理性が認められるため保有しております。","reciprocal":"有","pct_outstanding":0.37226264180358204,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.07502024882822354,"pct_of_holder_assets":0.0034485789413289908,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":150626000000,"holder_total_assets_yen":3276712000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"日本シイエムケイ株式会社","holder_name_en":"CMK CORPORATION","holder_sec_code":"6958","doc_id":"S100YHVS","period_end":"2026-03-31","holder_table":"reporting","shares":18100,"book_value_yen":54000000,"prior_shares":18100,"prior_book_value_yen":36000000,"purpose_ja":"（保有目的）当社の販売先として取引を行っており、事業上の関係を考慮し、同社との良好な関係の維持、強化を図るため、継続して保有しております。","reciprocal":"有","pct_outstanding":0.1777824226027661,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.06275494195167869,"pct_of_holder_assets":0.035638389144810656,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":86049000000,"holder_total_assets_yen":151522000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"加賀電子株式会社","holder_name_en":"KAGA ELECTRONICS CO.,LTD.","holder_sec_code":"8154","doc_id":"S100YNQJ","period_end":"2026-03-31","holder_table":"reporting","shares":18000,"book_value_yen":53000000,"prior_shares":18000,"prior_book_value_yen":36000000,"purpose_ja":"主に電子部品事業において商品の仕入等を行っている重要な調達先で、同社との取引関係の維持・強化のため保有しております。定量的な保有効果については（注）をご参照ください。","reciprocal":"有","pct_outstanding":0.17680019927346904,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.028880315612807603,"pct_of_holder_assets":0.013128755938904219,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":183516000000,"holder_total_assets_yen":403694000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"佐鳥電機株式会社","holder_name_en":"SATORI ELECTRIC CO., LTD.","holder_sec_code":"7420","doc_id":"S100WKMY","period_end":"2025-05-31","holder_table":"reporting","shares":21596,"book_value_yen":43000000,"prior_shares":20613,"prior_book_value_yen":61000000,"purpose_ja":"エンタープライズセグメントにおいて、半導体製品の販売先であり、営業取引を通じ、当社の中長期的な企業価値向上に資するものと判断し、株式を保有しております。なお、株式数の増加は、持株会による定期拠出によるものであります。","reciprocal":"無","pct_outstanding":0.20932474064125717,"pct_unavailable":null,"pct_basis_period_end":"2025-03-31","pct_share_classes":1,"pct_of_holder_equity":0.12910586681078484,"pct_of_holder_assets":0.05432722678458623,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":33306000000,"holder_total_assets_yen":79150000000,"implausible":false,"reciprocal_held_both_ways":false},{"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":1239,"book_value_yen":4000000,"prior_shares":1239,"prior_book_value_yen":3000000,"purpose_ja":"電装品及びデバイス市場領域において、当社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":0.01201829341397521,"pct_unavailable":null,"pct_basis_period_end":"2023-03-31","pct_share_classes":1,"pct_of_holder_equity":0.003893664035198723,"pct_of_holder_assets":0.0021255340404276574,"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":1239,"book_value_yen":3000000,"prior_shares":1239,"prior_book_value_yen":4000000,"purpose_ja":"電装品及びデバイス市場領域において、当社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":0.012014098093220092,"pct_unavailable":null,"pct_basis_period_end":"2024-03-31","pct_share_classes":1,"pct_of_holder_equity":0.002753354503570183,"pct_of_holder_assets":0.0017194341915220432,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":108958000000,"holder_total_assets_yen":174476000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"アオイ電子株式会社","holder_name_en":"AOI ELECTRONICS CO.,LTD.","holder_sec_code":"6832","doc_id":"S100YLRR","period_end":"2026-03-31","holder_table":"reporting","shares":100,"book_value_yen":298000,"prior_shares":100,"prior_book_value_yen":202000,"purpose_ja":"業界および取引先等の情報収集のため保有しております。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が、保有の合理性はイ．で記載の方法により検証しており、保有は適切と判断しております。","reciprocal":"無","pct_outstanding":0.0009822233292970503,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0006890939459813243,"pct_of_holder_assets":0.00047523182621799127,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":43245192000,"holder_total_assets_yen":62706238000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社関電工","holder_name_en":"ＫＡＮＤＥＮＫＯ  ＣＯ.,ＬＴＤ.","holder_sec_code":"1942","doc_id":"S100YDOZ","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":15000,"prior_book_value_yen":30000000,"purpose_ja":"（保有目的）設備工事業における主に屋内線・環境設備工事の受注等に向けた営業取引関係の維持強化（定量的な保有効果）（注２）","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":405687000000,"holder_total_assets_yen":635618000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社秋田銀行","holder_name_en":"THE AKITA BANK, LTD.","holder_sec_code":"8343","doc_id":"S100YATN","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":34600,"prior_book_value_yen":70000000,"purpose_ja":"地域経済の発展に貢献している先として政策保有しておりましたが、政策保有縮減の基本方針を踏まえ、純投資目的へ変更いたしました。","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":179304000000,"holder_total_assets_yen":3576817000000,"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．定量的な保有効果については、事業活動における機密保持等の観点から記載しておりませんが、当社取締役会においては、保有の合理性について、過去の経緯や取引状況、配当金や取引収益等の利回り等を勘案し総合的に検討しております。"},{"holder_table":"reporting","note_no":"2","text_ja":"２．澁澤倉庫㈱は、2025年10月１日付で普通株式１株を４株とする株式分割を行っております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３．SOMPOホールディングス㈱は当社株式を保有しておりませんが、グループ会社である損害保険ジャパン㈱が当社株式を保有しております。"},{"holder_table":"reporting","note_no":"4","text_ja":"４．㈱三菱UFJフィナンシャル・グループは当社株式を保有しておりませんが、グループ会社である三菱UFJ信託銀行㈱および㈱三菱UFJ銀行が当社株式を保有しております。"},{"holder_table":"reporting","note_no":"5","text_ja":"５．㈱三井住友フィナンシャルグループは当社株式を保有しておりませんが、グループ会社である㈱三井住友銀行が当社株式を保有しております。"},{"holder_table":"reporting","note_no":"6","text_ja":"６．㈱りそなホールディングスは当社株式を保有しておりませんが、グループ会社である㈱埼玉りそな銀行が当社株式を保有しております。"}],"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":5440000000,"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":9733000000,"listed_yen":9647000000,"unlisted_yen":86000000,"listed_issues":13,"unlisted_issues":8,"equity_yen":72561000000,"equity_basis":"jgaap_consolidated","total_assets_yen":144652000000,"assets_basis":"jgaap_consolidated","pct_of_equity":13.41354170973388,"pct_of_assets":6.728562342725991,"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":9647000000,"issue_count":13,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":86000000,"issue_count":8,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"unlisted"}],"scale_history":[{"year":"2020","period_end":"2020-03-31","policy_total_yen":9197000000,"equity_yen":53211000000,"equity_basis":"jgaap_consolidated","pct_of_equity":17.284020221382796,"pct_of_assets":7.565811122079632},{"year":"2021","period_end":"2021-03-31","policy_total_yen":12038000000,"equity_yen":49413000000,"equity_basis":"jgaap_consolidated","pct_of_equity":24.362009997369114,"pct_of_assets":9.418963115972646},{"year":"2022","period_end":"2022-03-31","policy_total_yen":11174000000,"equity_yen":57229000000,"equity_basis":"jgaap_consolidated","pct_of_equity":19.525065963060687,"pct_of_assets":8.274524033441695},{"year":"2023","period_end":"2023-03-31","policy_total_yen":11362000000,"equity_yen":62539000000,"equity_basis":"jgaap_consolidated","pct_of_equity":18.167863253329923,"pct_of_assets":8.227848101265822},{"year":"2024","period_end":"2024-03-31","policy_total_yen":16944000000,"equity_yen":70917000000,"equity_basis":"jgaap_consolidated","pct_of_equity":23.89271965819197,"pct_of_assets":11.712253488999025},{"year":"2025","period_end":"2025-03-31","policy_total_yen":13292000000,"equity_yen":66144000000,"equity_basis":"jgaap_consolidated","pct_of_equity":20.095549104983068,"pct_of_assets":9.738014300785371},{"year":"2026","period_end":"2026-03-31","policy_total_yen":9733000000,"equity_yen":72561000000,"equity_basis":"jgaap_consolidated","pct_of_equity":13.41354170973388,"pct_of_assets":6.728562342725991}],"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":21,"book_value_yen":10650000000},{"year":"2020","period_end":"2020-03-31","named_holdings":21,"book_value_yen":9118000000},{"year":"2021","period_end":"2021-03-31","named_holdings":20,"book_value_yen":11905000000},{"year":"2022","period_end":"2022-03-31","named_holdings":17,"book_value_yen":11080000000},{"year":"2023","period_end":"2023-03-31","named_holdings":17,"book_value_yen":11268000000},{"year":"2024","period_end":"2024-03-31","named_holdings":14,"book_value_yen":16850000000},{"year":"2025","period_end":"2025-03-31","named_holdings":14,"book_value_yen":13199000000},{"year":"2026","period_end":"2026-03-31","named_holdings":14,"book_value_yen":9640000000}],"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."}}