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Ltd.","holder_sec_code":"8801","doc_id":"S100YHUO","period_end":"2026-03-31","holder_table":"reporting","shares":242800,"book_value_yen":586000000,"prior_shares":121400,"prior_book_value_yen":570000000,"purpose_ja":"同社は、東京都中央区所在土地の借地人であり、当社グループの事業活動の円滑な推進において有用性があると考えております。なお、株式分割により株式数が増加しております。","reciprocal":"無","pct_outstanding":0.36400329989680175,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.017312466985184547,"pct_of_holder_assets":0.005799985232802104,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":3384844000000,"holder_total_assets_yen":10103474000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"新日本空調株式会社","holder_name_en":"Shin Nippon Air Technologies Co., Ltd.","holder_sec_code":"1952","doc_id":"S100YDMT","period_end":"2026-03-31","holder_table":"reporting","shares":212400,"book_value_yen":512000000,"prior_shares":106200,"prior_book_value_yen":499000000,"purpose_ja":"設備工事事業において、主にビル空調工事の取引を行っており、取引関係の構築・維持・強化のために保有しております。保有の合理性の検証については、（a）をご参照ください。株式数の増加は１株につき２株の割合をもって株式を分割されたためであります。","reciprocal":"有","pct_outstanding":0.3184279279163126,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.6193373574132989,"pct_of_holder_assets":0.37816398431210346,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":82669000000,"holder_total_assets_yen":135391000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"アイザワ証券グループ株式会社","holder_name_en":"AIZAWA SECURITIES GROUP CO., LTD.","holder_sec_code":"8708","doc_id":"S100YIEX","period_end":"2026-03-31","holder_table":"reporting","shares":196580,"book_value_yen":474000000,"prior_shares":98290,"prior_book_value_yen":461000000,"purpose_ja":null,"reciprocal":"有","pct_outstanding":0.2947107442080449,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.9388741433268629,"pct_of_holder_assets":0.38126186416138474,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":50486000000,"holder_total_assets_yen":124324000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社岡三証券グループ","holder_name_en":"OKASAN SECURITIES GROUP INC.","holder_sec_code":"8609","doc_id":"S100YDTC","period_end":"2026-03-31","holder_table":"reporting","shares":180000,"book_value_yen":435000000,"prior_shares":90000,"prior_book_value_yen":423000000,"purpose_ja":"当社子会社の証券ビジネスにおける取引関係強化のため保有しております。当社基準に基づき、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等の観点による検証を行いました。定量的な保有効果が得られているものと判断しております。","reciprocal":"有","pct_outstanding":0.2698541762002649,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.1883345167379596,"pct_of_holder_assets":0.031047256064920883,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":230972000000,"holder_total_assets_yen":1401090000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"高砂熱学工業株式会社","holder_name_en":"Takasago Thermal Engineering Co., Ltd.","holder_sec_code":"1969","doc_id":"S100YDOU","period_end":"2026-03-31","holder_table":"reporting","shares":168800,"book_value_yen":407000000,"prior_shares":84400,"prior_book_value_yen":396000000,"purpose_ja":"（保有目的・業務提携等の概要）都市型開発案件の顧客であり、安定的な事業機会の確保を目的として保有しております。同社との取引関係は、中長期的な収益の安定化に寄与するものと認識しております。（定量的な保有効果）継続的な案件参画により安定的な収益寄与が確認されており、資本コストを踏まえても投資効果は良好な水準にあると認識しております。（株式数が増加した理由）増加は１株につき２株の割合をもって株式を分割されたためであります。","reciprocal":"有","pct_outstanding":0.2530632496811373,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.1892530317684696,"pct_of_holder_assets":0.10659389298182666,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":215056000000,"holder_total_assets_yen":381823000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社　長谷工コーポレーション","holder_name_en":"ＨＡＳＥＫＯ Ｃｏｒｐｏｒａｔｉｏｎ","holder_sec_code":"1808","doc_id":"S100YJVQ","period_end":"2026-03-31","holder_table":"reporting","shares":140800,"book_value_yen":340000000,"prior_shares":70400,"prior_book_value_yen":331000000,"purpose_ja":null,"reciprocal":"有","pct_outstanding":0.21108593338331832,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.060342425517036974,"pct_of_holder_assets":0.023982100888466303,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":563451000000,"holder_total_assets_yen":1417724000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"水戸証券株式会社","holder_name_en":"Mito Securities Co., Ltd.","holder_sec_code":"8622","doc_id":"S100YDIT","period_end":"2026-03-31","holder_table":"reporting","shares":100600,"book_value_yen":242000000,"prior_shares":50300,"prior_book_value_yen":236000000,"purpose_ja":"金融関連業務における関係の維持・強化等による当社の企業価値向上のため。","reciprocal":"有","pct_outstanding":0.15081850069859248,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.5657113469540418,"pct_of_holder_assets":0.3307773267177868,"holder_equity_basis":"parent_only","holder_equity_yen":42778000000,"holder_total_assets_yen":73161000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社大和証券グループ本社","holder_name_en":"Daiwa Securities Group Inc.","holder_sec_code":"8601","doc_id":"S100YCMP","period_end":"2026-03-31","holder_table":"reporting","shares":88000,"book_value_yen":212000000,"prior_shares":44000,"prior_book_value_yen":206000000,"purpose_ja":"当社の定量基準を充足しており、証券関連ビジネスの拡大を目的とした良好な関係の維持・強化を図るため、継続保有しています。なお、株式分割により、株式数が増加しております。","reciprocal":"有","pct_outstanding":0.13192870836457396,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0103626487125631,"pct_of_holder_assets":0.0005567571062559907,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":2045809000000,"holder_total_assets_yen":38077646000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"極東証券株式会社","holder_name_en":"KYOKUTO SECURITIES CO., 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Ltd.","holder_sec_code":"8613","doc_id":"S100YC95","period_end":"2026-03-31","holder_table":"reporting","shares":58200,"book_value_yen":140000000,"prior_shares":29100,"prior_book_value_yen":136000000,"purpose_ja":"株式等の引受をはじめとする証券関連ビジネスの取引先として、取引関係の維持・強化を目的として株式を保有しております。","reciprocal":"有","pct_outstanding":0.08725285030475231,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.27214058004820774,"pct_of_holder_assets":0.15823500158235002,"holder_equity_basis":"parent_only","holder_equity_yen":51444000000,"holder_total_assets_yen":88476000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東洋証券株式会社","holder_name_en":"TOYO SECURITIES CO., LTD.","holder_sec_code":"8614","doc_id":"S100YH08","period_end":"2026-03-31","holder_table":"reporting","shares":55200,"book_value_yen":133000000,"prior_shares":27600,"prior_book_value_yen":129000000,"purpose_ja":"中・長期的に安定的な取引関係を維持するため保有する株式。取引関係、保有に伴う便益等により、取締役会で保有の適否を検証した結果、売却方針といたしました。","reciprocal":"有","pct_outstanding":0.08275528070141457,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.4340872743888508,"pct_of_holder_assets":0.18485059068797777,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":30639000000,"holder_total_assets_yen":71950000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"野村ホールディングス株式会社","holder_name_en":"Nomura Holdings, Inc.","holder_sec_code":"8604","doc_id":"S100YC5C","period_end":"2026-03-31","holder_table":"reporting","shares":40000,"book_value_yen":97000000,"prior_shares":20000,"prior_book_value_yen":94000000,"purpose_ja":"ホールセール部門を中心とした、ビジネス機会創出、取引関係の維持・強化・拡大のため（注４）","reciprocal":"有","pct_outstanding":0.059967594711169976,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0025162681926838852,"pct_of_holder_assets":0.00015483848310963563,"holder_equity_basis":"usgaap_consolidated","holder_equity_yen":3854915000000,"holder_total_assets_yen":62645925000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"日比谷総合設備株式会社","holder_name_en":"Hibiya Engineering,Ltd.","holder_sec_code":"1982","doc_id":"S100YQYG","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":43900,"prior_book_value_yen":206000000,"purpose_ja":"検証結果に基づき全株式を売却","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":80669000000,"holder_total_assets_yen":110935000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社ＴＡＫＡＲＡ　＆　ＣＯＭＰＡＮＹ","holder_name_en":"TAKARA & COMPANY LTD.","holder_sec_code":"7921","doc_id":"S100YYNO","period_end":"2026-05-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":26000,"prior_book_value_yen":116480000,"purpose_ja":"当社グループが展開するディスクロージャー関連事業において営業上の取引があり、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、保有の合理性を検証した結果、当事業年度において全株式を売却いたしました。","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":32806939000,"holder_total_assets_yen":42527390000,"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、秘密保持の観点から記載しておりません。"},{"holder_table":"reporting","note_no":"2","text_ja":"２．当社の株式の保有の有無は、当該株式の発行者の連結子会社等による保有も含めて記載しております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３．令和アカウンティング・ホールディングス株式会社は、2024年12月23日付で東京証券取引所グロース市場に新規上場しております。"}],"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":5,"sale_proceeds_yen":3334000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":1,"sale_proceeds_yen":260000000,"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":19803000000,"listed_yen":19690000000,"unlisted_yen":113000000,"listed_issues":24,"unlisted_issues":5,"equity_yen":126763000000,"equity_basis":"jgaap_consolidated","total_assets_yen":451838000000,"assets_basis":"jgaap_consolidated","pct_of_equity":15.62206637583522,"pct_of_assets":4.382765504450711,"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":19690000000,"issue_count":24,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":113000000,"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":15932000000,"equity_yen":119278000000,"equity_basis":"jgaap_consolidated","pct_of_equity":13.357031472694043,"pct_of_assets":4.234868823263603},{"year":"2023","period_end":"2023-03-31","policy_total_yen":11419000000,"equity_yen":119324000000,"equity_basis":"jgaap_consolidated","pct_of_equity":9.569742884918373,"pct_of_assets":2.8666969595790457},{"year":"2024","period_end":"2024-03-31","policy_total_yen":15368000000,"equity_yen":125645000000,"equity_basis":"jgaap_consolidated","pct_of_equity":12.231286561343468,"pct_of_assets":3.7854174723323126},{"year":"2025","period_end":"2025-03-31","policy_total_yen":15804000000,"equity_yen":117999000000,"equity_basis":"jgaap_consolidated","pct_of_equity":13.393333841812218,"pct_of_assets":3.7669739071985813},{"year":"2026","period_end":"2026-03-31","policy_total_yen":19803000000,"equity_yen":126763000000,"equity_basis":"jgaap_consolidated","pct_of_equity":15.62206637583522,"pct_of_assets":4.382765504450711}],"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":28,"book_value_yen":15213000000},{"year":"2023","period_end":"2023-03-31","named_holdings":28,"book_value_yen":10768000000},{"year":"2024","period_end":"2024-03-31","named_holdings":28,"book_value_yen":14845000000},{"year":"2025","period_end":"2025-03-31","named_holdings":30,"book_value_yen":15419000000},{"year":"2026","period_end":"2026-03-31","named_holdings":29,"book_value_yen":19679000000}],"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."}}