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CO.,LTD.","holder_sec_code":"7490","doc_id":"S100YKC9","period_end":"2026-03-31","holder_table":"reporting","shares":286000,"book_value_yen":694980000,"prior_shares":286000,"prior_book_value_yen":572286000,"purpose_ja":"石油関連事業において、主に工場向けの石油製品を中心とした取引関係があり、良好な取引関係の維持・強化のため、保有しております。保有意義及び経済合理性を検証した結果、取締役会において保有継続の妥当性を確認しております。","reciprocal":"有","pct_outstanding":1.3188811626739845,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":2.6020982276542783,"pct_of_holder_assets":1.6207086161191735,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":26708446000,"holder_total_assets_yen":42881243000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"長瀬産業株式会社","holder_name_en":"NAGASE & CO., LTD.","holder_sec_code":"8012","doc_id":"S100YK28","period_end":"2026-03-31","holder_table":"reporting","shares":272006,"book_value_yen":660000000,"prior_shares":272006,"prior_book_value_yen":544000000,"purpose_ja":"生活関連セグメントを中心に、医療・医薬・検査薬関連の取引を行っており、同社との良好な関係維持、取引の強化および事業の拡大を図るために保有しております。(注)2","reciprocal":"有","pct_outstanding":1.2543482151548946,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.15206497321582857,"pct_of_holder_assets":0.07572923814091605,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":434025000000,"holder_total_assets_yen":871526000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社ニチリン","holder_name_en":"NICHIRIN CO.,LTD.","holder_sec_code":"5184","doc_id":"S100XRDM","period_end":"2025-12-31","holder_table":"reporting","shares":200000,"book_value_yen":570000000,"prior_shares":200000,"prior_book_value_yen":478000000,"purpose_ja":"(保有目的、業務提携等の概要)事業活動の円滑な推進のため(定量的な保有効果)定量的な保有効果の記載は困難であるが、「 (5)株式の保有状況②イ」の記載内容に基づき、取締役会において検証し、その保有の意義が認められることを確認している(株式数の増加)なし","reciprocal":"有","pct_outstanding":0.9222945193524368,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.8367709449639601,"pct_of_holder_assets":0.6468819156783748,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":68119000000,"holder_total_assets_yen":88115000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"稲畑産業株式会社","holder_name_en":"Inabata & Co.,Ltd.","holder_sec_code":"8098","doc_id":"S100YB2W","period_end":"2026-03-31","holder_table":"reporting","shares":207819,"book_value_yen":505000000,"prior_shares":207819,"prior_book_value_yen":415000000,"purpose_ja":"保有目的：主として生活産業事業において医薬品原料等に関する取引関係・協業関係の構築・維持強化のため。定量的な保有効果：記載は困難である。保有の合理性を検証した方法：上記（５）②ａ．参照のこと。","reciprocal":"有","pct_outstanding":0.9583516235865203,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.20533630427180835,"pct_of_holder_assets":0.1013775299214274,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":245938000000,"holder_total_assets_yen":498138000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"松本油脂製薬株式会社","holder_name_en":"MATSUMOTO YUSHI-SEIYAKU CO.,LTD.","holder_sec_code":"4365","doc_id":"S100YG2G","period_end":"2026-03-31","holder_table":"reporting","shares":201600,"book_value_yen":489000000,"prior_shares":201600,"prior_book_value_yen":403000000,"purpose_ja":"当社製品である界面活性剤等の原料供給に係る取引関係を有し、関係の維持・強化のために保有しております。保有効果は、長期にわたる信頼関係をベースとした取引等、総合的なものであり、定量的な保有効果の記載については困難であるが、当社との取引状況の推移や配当金受取額等の観点から総合的に検証し、継続して保有しています。","reciprocal":"有","pct_outstanding":0.9296728755072562,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.5357905924375733,"pct_of_holder_assets":0.46168661958533175,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":91267000000,"holder_total_assets_yen":105916000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"扶桑薬品工業株式会社","holder_name_en":"Fuso Pharmaceutical Industries, Ltd.","holder_sec_code":"4538","doc_id":"S100YHSC","period_end":"2026-03-31","holder_table":"reporting","shares":172700,"book_value_yen":419000000,"prior_shares":172700,"prior_book_value_yen":345000000,"purpose_ja":"・商品及び原材料の仕入、業務委受託等を　行う取引先企業等との経営戦略の一環・株価の評価益及び受取配当金の発生","reciprocal":"有","pct_outstanding":0.7964013174608291,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":1.195196394443335,"pct_of_holder_assets":0.46389070336459154,"holder_equity_basis":"parent_only","holder_equity_yen":35057000000,"holder_total_assets_yen":90323000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"東邦金属株式会社","holder_name_en":"TOHO KINZOKU CO., LTD.","holder_sec_code":"5781","doc_id":"S100R44B","period_end":"2023-03-31","holder_table":"reporting","shares":158000,"book_value_yen":413328000,"prior_shares":158000,"prior_book_value_yen":350444000,"purpose_ja":"（保有目的）相互の事業に係る良好な関係を維持・強化して企業価値向上に資するため保有しております。（定量的な保有効果）(注)５","reciprocal":"有","pct_outstanding":0.6927045540107221,"pct_unavailable":null,"pct_basis_period_end":"2023-03-31","pct_share_classes":1,"pct_of_holder_equity":12.163932689421362,"pct_of_holder_assets":6.682040947967515,"holder_equity_basis":"parent_only","holder_equity_yen":3397980000,"holder_total_assets_yen":6185655000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ダイトーケミックス株式会社","holder_name_en":"Daito Chemix Corporation","holder_sec_code":"4366","doc_id":"S100YGAU","period_end":"2026-03-31","holder_table":"reporting","shares":170000,"book_value_yen":413000000,"prior_shares":170000,"prior_book_value_yen":340000000,"purpose_ja":"（目的）営業上の取引（概要）安定的な取引関係強化・維持のため（効果）製品の売上","reciprocal":"有","pct_outstanding":0.7839503414495712,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":2.5247585279374007,"pct_of_holder_assets":1.4341771712331146,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":16358000000,"holder_total_assets_yen":28797000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"昭栄薬品株式会社","holder_name_en":"SHOEI YAKUHIN CO.,LTD.","holder_sec_code":"3537","doc_id":"S100YHFB","period_end":"2026-03-31","holder_table":"reporting","shares":135949,"book_value_yen":330357000,"prior_shares":132771,"prior_book_value_yen":265675000,"purpose_ja":"保有目的は主に、油脂油剤・界面活性剤分野の取引の維持・強化のためであり、株式数増加の理由は、取引先持株会における定期買付であります。","reciprocal":"有","pct_outstanding":0.6269250880572221,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":3.5084356255795273,"pct_of_holder_assets":1.8552893721156505,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":9416077000,"holder_total_assets_yen":17806225000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"日本化学産業株式会社","holder_name_en":"NIHON KAGAKU SANGYO CO.,LTD.","holder_sec_code":"4094","doc_id":"S100YH9F","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":308000,"prior_book_value_yen":616308000,"purpose_ja":"薬品事業における原材料の購買取引の維持・発展及び業務のより円滑な推進のため保有しておりましたが、事業戦略の見直しにより当事業年度において保有目的を純投資目的に変更しております。","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":50824000000,"holder_total_assets_yen":61693000000,"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）　定量的な保有効果は算定が困難であるため、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、「②　保有目的が純投資目的以外の目的である投資株式」の「ａ．保有方針及び保有の合理性を検証する方法並びに個別銘柄の保有の適否に関する取締役会等における検証の内容」に記載の通りであります。"}],"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":4,"sale_proceeds_yen":1003159000,"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":13715252000,"listed_yen":13684202000,"unlisted_yen":31050000,"listed_issues":16,"unlisted_issues":3,"equity_yen":52390000000,"equity_basis":"jgaap_consolidated","total_assets_yen":65421000000,"assets_basis":"jgaap_consolidated","pct_of_equity":26.179141057453712,"pct_of_assets":20.964601580532246,"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":13684202000,"issue_count":16,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":31050000,"issue_count":3,"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":10887460000,"equity_yen":44560000000,"equity_basis":"jgaap_consolidated","pct_of_equity":24.433258527827647,"pct_of_assets":19.865090225701096},{"year":"2023","period_end":"2023-03-31","policy_total_yen":11776945000,"equity_yen":46101000000,"equity_basis":"jgaap_consolidated","pct_of_equity":25.545964295785343,"pct_of_assets":20.780888269339357},{"year":"2024","period_end":"2024-03-31","policy_total_yen":11622517000,"equity_yen":47559000000,"equity_basis":"jgaap_consolidated","pct_of_equity":24.438102146807125,"pct_of_assets":19.55007064760303},{"year":"2025","period_end":"2025-03-31","policy_total_yen":10636934000,"equity_yen":49069000000,"equity_basis":"jgaap_consolidated","pct_of_equity":21.67750310786851,"pct_of_assets":17.78870493009566},{"year":"2026","period_end":"2026-03-31","policy_total_yen":13715252000,"equity_yen":52390000000,"equity_basis":"jgaap_consolidated","pct_of_equity":26.179141057453712,"pct_of_assets":20.964601580532246}],"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":30,"book_value_yen":10866402000},{"year":"2023","period_end":"2023-03-31","named_holdings":29,"book_value_yen":11755890000},{"year":"2024","period_end":"2024-03-31","named_holdings":26,"book_value_yen":11591462000},{"year":"2025","period_end":"2025-03-31","named_holdings":21,"book_value_yen":10605879000},{"year":"2026","period_end":"2026-03-31","named_holdings":19,"book_value_yen":13684201000}],"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."}}