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Ltd.","holder_sec_code":"7735","doc_id":"S100YK9N","period_end":"2026-03-31","holder_table":"reporting","shares":216000,"book_value_yen":1512000000,"prior_shares":216000,"prior_book_value_yen":718000000,"purpose_ja":"調達先として事業上の関係を勘案し、同社との良好な関係の維持、強化を図る為、継続して保有しています。","reciprocal":"有","pct_outstanding":0.9448237785550022,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.3106738664102374,"pct_of_holder_assets":0.20929624138833172,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":486684000000,"holder_total_assets_yen":722421000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ＣＫＤ株式会社","holder_name_en":"CKD Corporation","holder_sec_code":"6407","doc_id":"S100YGB2","period_end":"2026-03-31","holder_table":"reporting","shares":190400,"book_value_yen":1332000000,"prior_shares":190400,"prior_book_value_yen":633000000,"purpose_ja":"サプライヤーでありパートナー企業であります。相互の技術を活用し、業界で優位性を維持する目的で保有しています。","reciprocal":"有","pct_outstanding":0.8328446640595946,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.8675376779689719,"pct_of_holder_assets":0.5875062301242496,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":153538000000,"holder_total_assets_yen":226721000000,"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":170000,"book_value_yen":1190000000,"prior_shares":170000,"prior_book_value_yen":565000000,"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":0.7436113071960666,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.5152139653291308,"pct_of_holder_assets":0.08493387291323184,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":230972000000,"holder_total_assets_yen":1401090000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ダイキン工業株式会社","holder_name_en":"DAIKIN INDUSTRIES,LTD.","holder_sec_code":"6367","doc_id":"S100YFQL","period_end":"2026-03-31","holder_table":"reporting","shares":125457,"book_value_yen":878000000,"prior_shares":125457,"prior_book_value_yen":417000000,"purpose_ja":"同社は当社の化学事業における販売先であり、相互の事業拡大や取引関係の強化を目的に株式を保有しております。","reciprocal":"有","pct_outstanding":0.5487720221582172,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.026473388816892797,"pct_of_holder_assets":0.015113853102987655,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":3316538000000,"holder_total_assets_yen":5809240000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社中北製作所","holder_name_en":"NAKAKITA SEISAKUSHO CO.,LTD.","holder_sec_code":"6496","doc_id":"S100YYFP","period_end":"2026-05-31","holder_table":"reporting","shares":85500,"book_value_yen":804555000,"prior_shares":85500,"prior_book_value_yen":321907000,"purpose_ja":"(保有目的)　当社製品等の製造に係る資材等の仕入先であり、安定的かつ継続的な取引関係の維持・強化の為(定量的な保有効果)　(注)１","reciprocal":"有","pct_outstanding":0.3739927456780217,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":2.8629067095683083,"pct_of_holder_assets":2.0247020928150086,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":28102732000,"holder_total_assets_yen":39736957000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社日阪製作所","holder_name_en":"HISAKA WORKS, LTD.","holder_sec_code":"6247","doc_id":"S100YJL5","period_end":"2026-03-31","holder_table":"reporting","shares":100840,"book_value_yen":705000000,"prior_shares":100840,"prior_book_value_yen":335000000,"purpose_ja":"取引関係の維持・発展のために保有しており、熱交換器事業、プロセスエンジニアリング事業及びバルブ事業にて取引を行っております。","reciprocal":"有","pct_outstanding":0.4410927306920668,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":1.1140960809102403,"pct_of_holder_assets":0.848559254712212,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":63280000000,"holder_total_assets_yen":83082000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社あおぞら銀行","holder_name_en":"Aozora Bank, Ltd.","holder_sec_code":"8304","doc_id":"S100YCRO","period_end":"2026-03-31","holder_table":"reporting","shares":53700,"book_value_yen":375000000,"prior_shares":48500,"prior_book_value_yen":161000000,"purpose_ja":"株式数の増加は、エンゲージメント投資として株式を取得したものであります。","reciprocal":"無","pct_outstanding":0.2348936893907575,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.07627982286808066,"pct_of_holder_assets":0.004359617018689271,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":491611000000,"holder_total_assets_yen":8601673000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社キッツ","holder_name_en":"KITZ CORPORATION","holder_sec_code":"6498","doc_id":"S100XS6X","period_end":"2025-12-31","holder_table":"reporting","shares":74720,"book_value_yen":358000000,"prior_shares":74720,"prior_book_value_yen":323000000,"purpose_ja":"バルブ事業の主要仕入先として取引関係の維持・発展による中長期的な収益の拡大等を図るため保有しています。仕入取引を拡大しています。（注）１","reciprocal":"有","pct_outstanding":0.3268390404334712,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.29885633191418315,"pct_of_holder_assets":0.1942221619422216,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":119790000000,"holder_total_assets_yen":184325000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社きんでん","holder_name_en":"ＫＩＮＤＥＮ　ＣＯＲＰＯＲＡＴＩＯＮ","holder_sec_code":"1944","doc_id":"S100YFY8","period_end":"2026-03-31","holder_table":"reporting","shares":50000,"book_value_yen":350000000,"prior_shares":50000,"prior_book_value_yen":166000000,"purpose_ja":"保有先企業は、当社が設備工事を請け負っている重要顧客の一つであり、関係強化により中長期的な工事受注獲得による収益を維持向上させるため保有している。","reciprocal":"無","pct_outstanding":0.2187092079988431,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.05287847770416758,"pct_of_holder_assets":0.03830314862825481,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":661895000000,"holder_total_assets_yen":913763000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"泉州電業株式会社","holder_name_en":"SENSHU ELECTRIC CO.,LTD.","holder_sec_code":"9824","doc_id":"S100XHVV","period_end":"2025-10-31","holder_table":"reporting","shares":55000,"book_value_yen":267000000,"prior_shares":55000,"prior_book_value_yen":237000000,"purpose_ja":"今後の営業取引関係の強化を目的に保有しております。投資コストを勘案した結果、受取配当金等により当社企業価値向上に資すると判断しております。","reciprocal":"有","pct_outstanding":0.24058012879872742,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.45313375082735097,"pct_of_holder_assets":0.24053620655483685,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":58923000000,"holder_total_assets_yen":111002000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社鶴見製作所","holder_name_en":"TSURUMI MANUFACTURING CO.,LTD.","holder_sec_code":"6351","doc_id":"S100YKE5","period_end":"2026-03-31","holder_table":"reporting","shares":6420,"book_value_yen":44000000,"prior_shares":6420,"prior_book_value_yen":21000000,"purpose_ja":"・主要な仕入先である同社との取引関係の維持強化を通じ、企業価値向上を図るため保有しております。・取引関係への影響を考慮し、定量的な保有効果を示すことは困難ですが、社内での定量的・定性的な検証を実施した結果、効果は十分にあるものと判断しております。","reciprocal":"有","pct_outstanding":0.028082262307051457,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.04248129374849143,"pct_of_holder_assets":0.031821107519183066,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":103575000000,"holder_total_assets_yen":138273000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"巴工業株式会社","holder_name_en":"TOMOE ENGINEERING CO.,LTD.","holder_sec_code":"6309","doc_id":"S100XHQ6","period_end":"2025-10-31","holder_table":"reporting","shares":4000,"book_value_yen":19480000,"prior_shares":4000,"prior_book_value_yen":17280000,"purpose_ja":"機械製造販売事業および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":0.01749673663990745,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.045581013196194696,"pct_of_holder_assets":0.0345477279433108,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":42737093000,"holder_total_assets_yen":56385763000,"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．定量的な保有効果の算定は困難ではありますが、中長期的な視点に基づき保有の合理性を検証しております。"},{"holder_table":"reporting","note_no":"2","text_ja":"２．「－」は、当該銘柄を保有していないことを示しております。"},{"holder_table":"reporting","note_no":"3","text_ja":"３．㈱SCREENホールディングスは、2026年3月31日付で、普通株式1株につき2株の割合で株式分割を行っております。"},{"holder_table":"reporting","note_no":"4","text_ja":"４．㈱鶴見製作所は、2025年9月30日付で、普通株式1株につき2株の割合で株式分割を行っております。"},{"holder_table":"reporting","note_no":"5","text_ja":"５．巴工業㈱は、2025年4月30日付で、普通株式1株につき3株の割合で株式分割を行っております。"}],"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":1199000000,"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":6501000000,"listed_yen":6492000000,"unlisted_yen":9000000,"listed_issues":18,"unlisted_issues":4,"equity_yen":79418000000,"equity_basis":"jgaap_consolidated","total_assets_yen":105629000000,"assets_basis":"jgaap_consolidated","pct_of_equity":8.185801707421492,"pct_of_assets":6.154559827320149,"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":6492000000,"issue_count":18,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":9000000,"issue_count":4,"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":4585000000,"equity_yen":52658000000,"equity_basis":"jgaap_consolidated","pct_of_equity":8.707129021231342,"pct_of_assets":7.054822975488914},{"year":"2023","period_end":"2023-03-31","policy_total_yen":4422000000,"equity_yen":59368000000,"equity_basis":"jgaap_consolidated","pct_of_equity":7.448457081255896,"pct_of_assets":6.099983446449263},{"year":"2024","period_end":"2024-03-31","policy_total_yen":7864000000,"equity_yen":69949000000,"equity_basis":"jgaap_consolidated","pct_of_equity":11.242476661567714,"pct_of_assets":7.956695502605353},{"year":"2025","period_end":"2025-03-31","policy_total_yen":5120000000,"equity_yen":73858000000,"equity_basis":"jgaap_consolidated","pct_of_equity":6.932221289501475,"pct_of_assets":5.2215593289480395},{"year":"2026","period_end":"2026-03-31","policy_total_yen":6501000000,"equity_yen":79418000000,"equity_basis":"jgaap_consolidated","pct_of_equity":8.185801707421492,"pct_of_assets":6.154559827320149}],"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":25,"book_value_yen":4564000000},{"year":"2023","period_end":"2023-03-31","named_holdings":24,"book_value_yen":4400000000},{"year":"2024","period_end":"2024-03-31","named_holdings":22,"book_value_yen":7850000000},{"year":"2025","period_end":"2025-03-31","named_holdings":21,"book_value_yen":5100000000},{"year":"2026","period_end":"2026-03-31","named_holdings":21,"book_value_yen":6484000000}],"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."}}