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Inc.","holder_sec_code":"5076","doc_id":"S100YCIP","period_end":"2026-03-31","holder_table":"largest","shares":52120,"book_value_yen":225000000,"prior_shares":102120,"prior_book_value_yen":258000000,"purpose_ja":"前事業年度は同社との良好な関係の維持・強化を目的に保有していましたが、検証の結果、当事業年度において一部株式を売却しました。","reciprocal":"無","pct_outstanding":0.029557577730418106,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.03684894063390004,"pct_of_holder_assets":0.011121546142059216,"holder_equity_basis":"ifrs_consolidated_excl_nci","holder_equity_yen":610601000000,"holder_total_assets_yen":2023100000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社南都銀行","holder_name_en":"The Nanto Bank，Ltd.","holder_sec_code":"8367","doc_id":"S100YEBM","period_end":"2026-03-31","holder_table":"reporting","shares":37000,"book_value_yen":160000000,"prior_shares":37000,"prior_book_value_yen":93000000,"purpose_ja":"同社との銀行取引関係の維持・強化を図ることを通じて、当行グループの中長期的な企業価値向上に資するため。","reciprocal":"無","pct_outstanding":0.020982931236098807,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.053312186166154095,"pct_of_holder_assets":0.0023962010628349813,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":300119000000,"holder_total_assets_yen":6677236000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社　みちのく銀行","holder_name_en":"THE MICHINOKU BANK, LTD.","holder_sec_code":null,"doc_id":"S100OFBL","period_end":"2022-03-31","holder_table":"reporting","shares":50000,"book_value_yen":87000000,"prior_shares":50000,"prior_book_value_yen":96000000,"purpose_ja":"当行の営業地域である大間地区において原子力発電施設を計画中の事業会社であり、同社との銀行取引関係の維持・強化を図るため。定量的な保有効果は秘密保持の観点から記載しておりませんが、2022年３月末時点の保有状況等に基づいて、2022年５月に「②イ」記載の方法で検証しました。","reciprocal":"無","pct_outstanding":0.027315209873683542,"pct_unavailable":null,"pct_basis_period_end":"2022-03-31","pct_share_classes":1,"pct_of_holder_equity":0.10042362610090844,"pct_of_holder_assets":0.003584325374345706,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":86633000000,"holder_total_assets_yen":2427235000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"富士通株式会社","holder_name_en":"Fujitsu Limited","holder_sec_code":"6702","doc_id":"S100YM3K","period_end":"2026-03-31","holder_table":"reporting","shares":12000,"book_value_yen":51000000,"prior_shares":12000,"prior_book_value_yen":30000000,"purpose_ja":"主としてサービスソリューションにおける当社の営業取引先であり、同取引上の関係性維持・強化を目的として取得し、保有を継続しています。","reciprocal":"無","pct_outstanding":0.006805274995491505,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0024943912878248762,"pct_of_holder_assets":0.0015001125084381328,"holder_equity_basis":"ifrs_consolidated","holder_equity_yen":2044587000000,"holder_total_assets_yen":3399745000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"太平電業株式会社","holder_name_en":"TAIHEI DENGYO KAISHA,LTD.","holder_sec_code":"1968","doc_id":"S100YPZ0","period_end":"2026-03-31","holder_table":"reporting","shares":10000,"book_value_yen":43000000,"prior_shares":10000,"prior_book_value_yen":25000000,"purpose_ja":"当社の主力である事業用発電設備のエンドユーザーであり、当社が発電所の建設・メンテナンス工事を行っております。取引関係の維持・強化を行い、建設事業の収益の安定および向上を目的に保有しております。","reciprocal":"無","pct_outstanding":0.005671062496242921,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.033609767154659645,"pct_of_holder_assets":0.024520286260086108,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":127939000000,"holder_total_assets_yen":175365000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"太平洋興発株式会社","holder_name_en":"TAIHEIYO KOUHATSU INCORPORATED","holder_sec_code":"8835","doc_id":"S100YL7T","period_end":"2026-03-31","holder_table":"reporting","shares":2400,"book_value_yen":10000000,"prior_shares":2400,"prior_book_value_yen":6000000,"purpose_ja":"当該企業グループは、商事セグメントの販売得意先であり、継続して取引を行っております。その取引関係強化のため保有しております。","reciprocal":"無","pct_outstanding":0.001361054999098301,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.06060973392326808,"pct_of_holder_assets":0.021887106305675325,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":16499000000,"holder_total_assets_yen":45689000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社　東芝","holder_name_en":"TOSHIBA CORPORATION","holder_sec_code":"6502","doc_id":"S100R88O","period_end":"2023-03-31","holder_table":"reporting","shares":40,"book_value_yen":0,"prior_shares":40,"prior_book_value_yen":0,"purpose_ja":"定量的な保有効果については営業秘密等の観点から記載が困難ですが、発電プラント、保守等の取引を行っており、信頼関係の構築・維持強化の必要性や事業上の取引状況等に基づき保有意義、同社との取引関係等により当社が実際に得た利益等の保有に伴う便益等が資本コストに見合っているかといった経済合理性の検証等を行い、保有の合理性があると判断しております。引き続き、当社ガバナンスガイドラインに基づき保有意義については定期的に検証を続けていきます。","reciprocal":"有","pct_outstanding":2.185221565077537e-05,"pct_unavailable":null,"pct_basis_period_end":"2023-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0,"pct_of_holder_assets":0.0,"holder_equity_basis":"usgaap_consolidated","holder_equity_yen":1337067000000,"holder_total_assets_yen":3539268000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"株式会社ＩＨＩ","holder_name_en":"ＩＨＩ Corporation","holder_sec_code":"7013","doc_id":"S100YENT","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":217500,"prior_book_value_yen":550000000,"purpose_ja":"－","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":"ifrs_consolidated_excl_nci","holder_equity_yen":652243000000,"holder_total_assets_yen":2428559000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社　商船三井","holder_name_en":"Mitsui O.S.K. Lines, Ltd.","holder_sec_code":"9104","doc_id":"S100YI2T","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":281400,"prior_book_value_yen":712000000,"purpose_ja":"－","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":2929073000000,"holder_total_assets_yen":5962245000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"東亜石油株式会社","holder_name_en":"TOA OIL CO., LTD.","holder_sec_code":"5008","doc_id":"S100ORKL","period_end":"2022-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":42720,"prior_book_value_yen":82000000,"purpose_ja":"同社株式は、前事業年度末において電気事業遂行上の関連政策投資として保有しております。当社は、政策保有株式に関する保有方針に基づき、当事業年度において全株式を売却しております。 ","reciprocal":"無","pct_outstanding":null,"pct_unavailable":null,"pct_basis_period_end":"2022-03-31","pct_share_classes":1,"pct_of_holder_equity":null,"pct_of_holder_assets":null,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":30016000000,"holder_total_assets_yen":88450000000,"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":[],"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":4554000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":8,"acquisition_cost_yen":1506000000,"issues_decreased":2,"sale_proceeds_yen":166000000,"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":78496000000,"listed_yen":68674000000,"unlisted_yen":9822000000,"listed_issues":15,"unlisted_issues":33,"equity_yen":1534476000000,"equity_basis":"jgaap_consolidated","total_assets_yen":3739701000000,"assets_basis":"jgaap_consolidated","pct_of_equity":5.115492194077978,"pct_of_assets":2.0989913364731567,"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":68674000000,"issue_count":15,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":9822000000,"issue_count":33,"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":36641000000,"equity_yen":964105000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.8005196529423664,"pct_of_assets":1.1950064184182512},{"year":"2023","period_end":"2023-03-31","policy_total_yen":36184000000,"equity_yen":1192743000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.033679510171093,"pct_of_assets":1.0760448867497252},{"year":"2024","period_end":"2024-03-31","policy_total_yen":49577000000,"equity_yen":1333078000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.7189871860461277,"pct_of_assets":1.426368820073026},{"year":"2025","period_end":"2025-03-31","policy_total_yen":54571000000,"equity_yen":1463502000000,"equity_basis":"jgaap_consolidated","pct_of_equity":3.728795724228597,"pct_of_assets":1.4874589095983908},{"year":"2026","period_end":"2026-03-31","policy_total_yen":78496000000,"equity_yen":1534476000000,"equity_basis":"jgaap_consolidated","pct_of_equity":5.115492194077978,"pct_of_assets":2.0989913364731567}],"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":18,"book_value_yen":28691000000},{"year":"2023","period_end":"2023-03-31","named_holdings":17,"book_value_yen":28291000000},{"year":"2024","period_end":"2024-03-31","named_holdings":17,"book_value_yen":41605000000},{"year":"2025","period_end":"2025-03-31","named_holdings":16,"book_value_yen":46209000000},{"year":"2026","period_end":"2026-03-31","named_holdings":16,"book_value_yen":68669000000}],"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."}}