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Co.,Ltd.","held_sec_code":"2815","match_status":"matched","shares":1800,"book_value_yen":9738000,"prior_shares":1800,"prior_book_value_yen":9648000,"purpose_ja":"機械製造販売事業における取引先であり、継続的取引関係の維持・強化および事業の拡大を目的として保有しております。","reciprocal":"無","pct_outstanding":0.005651565359584143,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.022785826822615193,"pct_of_holder_assets":0.017270316977000027,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"㈱阿波銀行","held_name_en":"The Awa Bank，Ltd.","held_sec_code":"8388","match_status":"matched","shares":2600,"book_value_yen":9464000,"prior_shares":2600,"prior_book_value_yen":6385000,"purpose_ja":"取引金融機関であり、安定的かつ機動的な資金調達等の当社の企業活動に欠かせないサービスが見込まれるために保有しております。","reciprocal":"有","pct_outstanding":0.006550075325866248,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02214469758155989,"pct_of_holder_assets":0.01678437870921424,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":true,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"菊水化学工業㈱","held_name_en":"KIKUSUI CHEMICAL INDUSTRIES CO.,LTD.","held_sec_code":"7953","match_status":"matched","shares":10000,"book_value_yen":3890000,"prior_shares":10000,"prior_book_value_yen":3770000,"purpose_ja":"化学工業製品販売事業における取引先であり、継続的取引関係の維持・強化および事業の拡大を目的として保有しております。","reciprocal":"無","pct_outstanding":0.07975528526312146,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.009102163312792472,"pct_of_holder_assets":0.0068989046046960475,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"日本製罐㈱","held_name_en":"NIHON SEIKAN K.K.","held_sec_code":"5905","match_status":"matched","shares":2000,"book_value_yen":2560000,"prior_shares":2000,"prior_book_value_yen":3142000,"purpose_ja":"化学工業製品販売事業における取引先であり、継続的取引関係の維持・強化および事業の拡大を目的として保有しております。","reciprocal":"無","pct_outstanding":0.14777597162701345,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.005990112617159057,"pct_of_holder_assets":0.004540153158874519,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"三井化学㈱","held_name_en":"Mitsui Chemicals, Inc.","held_sec_code":"4183","match_status":"matched","shares":96,"book_value_yen":350000,"prior_shares":96,"prior_book_value_yen":338000,"purpose_ja":"機械製造販売事業および化学工業製品販売事業の両事業において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。","reciprocal":"無","pct_outstanding":null,"pct_unavailable":"issuer share count changed over this window","pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0008189607093772148,"pct_of_holder_assets":0.0006207240646898758,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":false,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false},{"holder_table":"reporting","held_name_raw":"ローム㈱","held_name_en":"ROHM COMPANY LIMITED","held_sec_code":"6963","match_status":"matched","shares":null,"book_value_yen":null,"prior_shares":1200,"prior_book_value_yen":2059000,"purpose_ja":"－","reciprocal":"－","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":42737093000,"holder_total_assets_yen":56385763000,"implausible":false,"reciprocal_held_both_ways":null,"corporate_actions":[],"note_refs":[],"share_ratio":null,"reclassified_to_pure":false}],"holders":[{"holder_name":"月島ホールディングス株式会社","holder_name_en":"TSUKISHIMA HOLDINGS CO., LTD.","holder_sec_code":"6332","doc_id":"S100YH1A","period_end":"2026-03-31","holder_table":"reporting","shares":175000,"book_value_yen":316000000,"prior_shares":115000,"prior_book_value_yen":500000000,"purpose_ja":"産業事業にて協力関係にあり、同社との取引関係の維持・強化のため保有しています。2026年４月の取締役会において定量面を含んだ総合的な見地から保有の適否について検証しております。また、当事業年度において保有株式の一部を売却しており、株式数の増加は当事業年度に株式分割が行われたことによるものであります。","reciprocal":"有","pct_outstanding":0.5846058253465042,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.2690140125653381,"pct_of_holder_assets":0.15564892301781588,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":117466000000,"holder_total_assets_yen":203021000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社ノザワ","holder_name_en":"NOZAWA CORPORATION","holder_sec_code":"5237","doc_id":"S100YK4Z","period_end":"2026-03-31","holder_table":"reporting","shares":91311,"book_value_yen":165090000,"prior_shares":29984,"prior_book_value_yen":130429000,"purpose_ja":"（保有目的）資材の安定的な調達の維持を目的として保有しております。（定量的な保有効果）（注）１（株式数が増加した理由）株式分割及び取引先持株会を通じた株式取得","reciprocal":"有","pct_outstanding":0.3050339572469408,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.7527747196827266,"pct_of_holder_assets":0.5421536356148273,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":21930864000,"holder_total_assets_yen":30450778000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社阿波銀行","holder_name_en":"The Awa Bank，Ltd.","holder_sec_code":"8388","doc_id":"S100YAMP","period_end":"2026-03-31","holder_table":"reporting","shares":45750,"book_value_yen":82000000,"prior_shares":15250,"prior_book_value_yen":66000000,"purpose_ja":"業界有力企業であり、当行との取引状況を勘案して、長期的・安定的な関係の構築が、当行の中長期的な企業価値向上に資するため保有しております。 （株式数増加の理由）株式数は同社の株式分割により増加しております。","reciprocal":"有","pct_outstanding":0.15283266576915752,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.020519647562541134,"pct_of_holder_assets":0.001965488891392357,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":399617000000,"holder_total_assets_yen":4171990000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"名港海運株式会社","holder_name_en":"MEIKO TRANS CO.,LTD.","holder_sec_code":"9357","doc_id":"S100YL49","period_end":"2026-03-31","holder_table":"reporting","shares":15000,"book_value_yen":27000000,"prior_shares":5000,"prior_book_value_yen":21000000,"purpose_ja":"物流関連取引を行っており、同社との関係維持、強化を図るため保有しております。同社の当社利益への貢献や取引状況等について、定量的および定性的に検証を行った結果、引き続き保有することが望ましいと判断いたしました。株式数の増加は、株式分割によるものであります。","reciprocal":"無","pct_outstanding":0.05010907074398608,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.019011472170105754,"pct_of_holder_assets":0.015024555632907903,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":142019512000,"holder_total_assets_yen":179705814000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"東ソー株式会社","holder_name_en":"TOSOH CORPORATION","holder_sec_code":"4042","doc_id":"S100YE5Q","period_end":"2026-03-31","holder_table":"reporting","shares":9000,"book_value_yen":16000000,"prior_shares":null,"prior_book_value_yen":null,"purpose_ja":"石油化学事業におけるポリエチレン樹脂の販売先及び原材料の購入先であり、同社との取引関係の維持・発展のため保有しております。","reciprocal":"有","pct_outstanding":0.030065442446391647,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.0017407557708773735,"pct_of_holder_assets":0.001135597430710813,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":919141000000,"holder_total_assets_yen":1408950000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社カネカ","holder_name_en":"ＫＡＮＥＫＡ ＣＯＲＰＯＲＡＴＩＯＮ","holder_sec_code":"4118","doc_id":"S100YIFD","period_end":"2026-03-31","holder_table":"reporting","shares":3000,"book_value_yen":5000000,"prior_shares":1000,"prior_book_value_yen":4000000,"purpose_ja":"重要な取引先であり、中長期的な取引関係構築、維持及び強化等を目的に保有しております。株式分割により株式数が増加しております。","reciprocal":"有","pct_outstanding":0.010021814148797215,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.0009584621666228969,"pct_of_holder_assets":0.0005212927225450762,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":521669000000,"holder_total_assets_yen":959154000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社ＰＩＬＬＡＲ","holder_name_en":"PILLAR Corporation","holder_sec_code":"6490","doc_id":"S100YD79","period_end":"2026-03-31","holder_table":"reporting","shares":3000,"book_value_yen":5000000,"prior_shares":1000,"prior_book_value_yen":4000000,"purpose_ja":"樹脂関連製品等の取引を行っており、同社との良好な取引関係の維持・発展等を目的とし、継続して保有しております。（注）１、５","reciprocal":"有","pct_outstanding":0.010021814148797215,"pct_unavailable":null,"pct_basis_period_end":"2025-10-31","pct_share_classes":1,"pct_of_holder_equity":0.00629580195925357,"pct_of_holder_assets":0.004733548552007498,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":79418000000,"holder_total_assets_yen":105629000000,"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．「―」は、当該株式を保有していないことを示しております。"},{"holder_table":"reporting","note_no":"2","text_ja":"２．㈱みずほフィナンシャルグループは当社株式を保有していませんが、同社子会社である㈱みずほ銀行およびみずほ信託銀行㈱は当社株式を保有しています。"},{"holder_table":"reporting","note_no":"3","text_ja":"５．定量的な保有効果について　　当社保有株式については記載が困難なため、②aに記載の通り、保有目的の適切性、保有のメリット・リスク、資本コストとの見合い等を踏まえ、取締役会において定期的に保有意義を検証しております。"}],"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":2,"acquisition_cost_yen":1961000,"issues_decreased":1,"sale_proceeds_yen":2622000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":null,"acquisition_cost_yen":null,"issues_decreased":3,"sale_proceeds_yen":140000,"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":2172431000,"listed_yen":2134796000,"unlisted_yen":37635000,"listed_issues":26,"unlisted_issues":2,"equity_yen":42737093000,"equity_basis":"jgaap_consolidated","total_assets_yen":56385763000,"assets_basis":"jgaap_consolidated","pct_of_equity":5.083244665237292,"pct_of_assets":3.8528005730808323,"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":2134796000,"issue_count":26,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":37635000,"issue_count":2,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"unlisted"}],"scale_history":[{"year":"2021","period_end":"2021-10-31","policy_total_yen":1391438000,"equity_yen":31841454000,"equity_basis":"jgaap_consolidated","pct_of_equity":4.369894666242314,"pct_of_assets":3.2168998735932055},{"year":"2022","period_end":"2022-10-31","policy_total_yen":1272889000,"equity_yen":34387804000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.701571056994509,"pct_of_assets":2.782741093402619},{"year":"2023","period_end":"2023-10-31","policy_total_yen":1427803000,"equity_yen":36832951000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.876428472972475,"pct_of_assets":2.913466512631579},{"year":"2024","period_end":"2024-10-31","policy_total_yen":1492972000,"equity_yen":39351302000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.793958329510927,"pct_of_assets":2.806878670008638},{"year":"2025","period_end":"2025-10-31","policy_total_yen":2172431000,"equity_yen":42737093000,"equity_basis":"jgaap_consolidated","pct_of_equity":5.083244665237292,"pct_of_assets":3.8528005730808323}],"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":"2021-10-31","named_holdings":40,"book_value_yen":1353441000},{"year":"2022","period_end":"2022-10-31","named_holdings":38,"book_value_yen":1234895000},{"year":"2023","period_end":"2023-10-31","named_holdings":34,"book_value_yen":1390021000},{"year":"2024","period_end":"2024-10-31","named_holdings":31,"book_value_yen":1455190000},{"year":"2025","period_end":"2025-10-31","named_holdings":27,"book_value_yen":2134790000}],"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."}}