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Co.,Ltd.","holder_sec_code":"9035","doc_id":"S100Y9O5","period_end":"2026-03-31","holder_table":"reporting","shares":21630,"book_value_yen":65000000,"prior_shares":21630,"prior_book_value_yen":46000000,"purpose_ja":"地域経済における重要な役割を持つ同社との関係維持及び発展を通じた、当社の中長期的な企業価値向上に資するため。","reciprocal":"有","pct_outstanding":0.02850730605483319,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.14039786595243753,"pct_of_holder_assets":0.033675441277801664,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":46297000000,"holder_total_assets_yen":193019000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ヤマエグループホールディングス株式会社","holder_name_en":"YAMAE GROUP HOLDINGS CO.,LTD.","holder_sec_code":"7130","doc_id":"S100YE2O","period_end":"2026-03-31","holder_table":"largest","shares":11809,"book_value_yen":35000000,"prior_shares":11124,"prior_book_value_yen":23000000,"purpose_ja":"（保有目的）スーパーマーケット事業を営む投資先企業グループは、食品関連事業における主要な得意先であり、取引関係維持・強化による当該事業の中・長期的な発展を目的として保有（株式数が増加した理由）取引先持株会への定額拠出により増加","reciprocal":"無","pct_outstanding":0.015563697512784334,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.02961082910321489,"pct_of_holder_assets":0.007708096584652519,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":118200000000,"holder_total_assets_yen":454068000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"若築建設株式会社","holder_name_en":"WAKACHIKU CONSTRUCTION CO.,LTD.","holder_sec_code":"1888","doc_id":"S100YHAB","period_end":"2026-03-31","holder_table":"reporting","shares":11000,"book_value_yen":33000000,"prior_shares":10462,"prior_book_value_yen":22000000,"purpose_ja":"企業間取引の強化を保有目的としている。取引先持株会に加入しており、当事業年度に追加取得している。現在の定量的な保有効果の測定は困難であるが、保有先企業の不動産事業に参画しており、今後も事業シナジーを追求していく。","reciprocal":"無","pct_outstanding":0.014497474184150027,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.06026406618090177,"pct_of_holder_assets":0.026955719105070126,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":54759000000,"holder_total_assets_yen":122423000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"ＳＵＭＩＮＯＥ株式会社","holder_name_en":"SUMINOE Co., Ltd.","holder_sec_code":"3501","doc_id":"S100YYVN","period_end":"2026-05-31","holder_table":"reporting","shares":11755,"book_value_yen":33000000,"prior_shares":11098,"prior_book_value_yen":24000000,"purpose_ja":"自動車・車両内装事業における取引関係の維持・強化を目的として保有しております。取引先持株会による株式取得により、株式数が増加しております。","reciprocal":"無","pct_outstanding":0.015492528094062144,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.0828687660087389,"pct_of_holder_assets":0.03596808649779832,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":39822000000,"holder_total_assets_yen":91748000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社京三製作所","holder_name_en":"Kyosan Electric Manufacturing Co.,Ltd.","holder_sec_code":"6742","doc_id":"S100YH1N","period_end":"2026-03-31","holder_table":"reporting","shares":10689,"book_value_yen":32000000,"prior_shares":15689,"prior_book_value_yen":33000000,"purpose_ja":"鉄道信号システムの取引を行っており、事業上の関係を勘案し、同社との良好な関係の維持、強化を図るため、継続して保有しております。","reciprocal":"有","pct_outstanding":0.01408759105039815,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.05748365308615363,"pct_of_holder_assets":0.026843835984162137,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":55668000000,"holder_total_assets_yen":119208000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ヤマエ久野株式会社","holder_name_en":"YAMAEHISANO Co., Ltd.","holder_sec_code":"8108","doc_id":"S100I4OU","period_end":"2019-03-31","holder_table":"reporting","shares":7743,"book_value_yen":20000000,"prior_shares":7256,"prior_book_value_yen":20000000,"purpose_ja":null,"reciprocal":"無","pct_outstanding":0.009804208822886405,"pct_unavailable":null,"pct_basis_period_end":"2019-03-31","pct_share_classes":1,"pct_of_holder_equity":0.037083735073796635,"pct_of_holder_assets":0.009950941856646732,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":53932000000,"holder_total_assets_yen":200986000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社トーホー","holder_name_en":"TOHO Co.,Ltd.","holder_sec_code":"8142","doc_id":"S100Y0S6","period_end":"2026-01-31","holder_table":"reporting","shares":6000,"book_value_yen":17000000,"prior_shares":6000,"prior_book_value_yen":13000000,"purpose_ja":"業務用食品卸売事業の顧客であり、取引関係の維持・強化のため保有しております。","reciprocal":"無","pct_outstanding":0.007907713191354561,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.04921544786057553,"pct_of_holder_assets":0.017624981856636326,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":34542000000,"holder_total_assets_yen":96454000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"能美防災株式会社","holder_name_en":"ＮＯＨＭＩ  ＢＯＳＡＩ  ＬＴＤ．","holder_sec_code":"6744","doc_id":"S100YHTN","period_end":"2026-03-31","holder_table":"reporting","shares":5868,"book_value_yen":17000000,"prior_shares":5526,"prior_book_value_yen":11000000,"purpose_ja":"当社防災事業における製品・サービスの販売・提供に関して取引関係にあり、中長期的な取引関係の維持・強化のために保有しております。取引先持株会の会員として定期的に株式を取得しているため株式数が増加しております。 ","reciprocal":"無","pct_outstanding":0.00773374350114476,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.012231447771718015,"pct_of_holder_assets":0.009350369339588913,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":138986000000,"holder_total_assets_yen":181811000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"株式会社船場","holder_name_en":"SEMBA CORPORATION","holder_sec_code":"6540","doc_id":"S100XTA7","period_end":"2025-12-31","holder_table":"reporting","shares":2400,"book_value_yen":6710000,"prior_shares":2400,"prior_book_value_yen":5443000,"purpose_ja":"当社グループの商環境創造事業における主要取引先であり、営業取引関係を強化し、同社と良好な関係維持を図るために保有しております。","reciprocal":"無","pct_outstanding":0.003163085276541824,"pct_unavailable":null,"pct_basis_period_end":"2026-03-31","pct_share_classes":1,"pct_of_holder_equity":0.04599161801048211,"pct_of_holder_assets":0.030309281600915478,"holder_equity_basis":"jgaap_consolidated","holder_equity_yen":14589615000,"holder_total_assets_yen":22138433000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"ＭＳ＆ＡＤインシュアランスグループホールディングス株式会社","holder_name_en":"MS&AD Insurance Group Holdings, Inc.","holder_sec_code":"8725","doc_id":"S100YNCJ","period_end":"2026-03-31","holder_table":"largest","shares":null,"book_value_yen":null,"prior_shares":466400,"prior_book_value_yen":1002000000,"purpose_ja":"保険取引先との関係の維持・強化を目的として安定保有していたが、保有方針については②a.(a)に記載のとおり","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":4825140000000,"holder_total_assets_yen":28640815000000,"implausible":false,"reciprocal_held_both_ways":true},{"holder_name":"ＳＯＭＰＯホールディングス株式会社","holder_name_en":"Sompo Holdings, Inc.","holder_sec_code":"8630","doc_id":"S100YC6Z","period_end":"2026-03-31","holder_table":"largest","shares":null,"book_value_yen":null,"prior_shares":952522,"prior_book_value_yen":2047000000,"purpose_ja":"上記①イ.保有目的Ａ","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":5167823000000,"holder_total_assets_yen":18603704000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"東テク株式会社","holder_name_en":"TOTECH CORPORATION","holder_sec_code":"9960","doc_id":"S100YGTS","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":4600,"prior_book_value_yen":9000000,"purpose_ja":"商品販売及び工事セグメントにおける販売のキーとなる施主であり、施設開発案件等の有益な情報を得ることを目的として保有しておりましたが、当事業年度において全株式を売却しました。","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":73670000000,"holder_total_assets_yen":115120000000,"implausible":false,"reciprocal_held_both_ways":false},{"holder_name":"清水建設株式会社","holder_name_en":"SHIMIZU CORPORATION","holder_sec_code":"1803","doc_id":"S100YDXD","period_end":"2026-03-31","holder_table":"reporting","shares":null,"book_value_yen":null,"prior_shares":405900,"prior_book_value_yen":872000000,"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":1001175000000,"holder_total_assets_yen":2654382000000,"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. 定量的な保有効果は個別の取引条件を開示できないこと等により記載が困難であるため記載していません。保有の合理性は2026年３月31日を基準として、経営への影響を分析した上で個別銘柄毎にその保有目的や資本コストを考慮した便益とリスク、将来の見通し等を総合的に判断し、検証結果を取締役会に報告しています。"},{"holder_table":"reporting","note_no":"2","text_ja":"２. 2025年10月１日付で株式会社九電工から商号変更をしています。"},{"holder_table":"reporting","note_no":"3","text_ja":"３. 保有株式の一部または全部を売却しています。"},{"holder_table":"reporting","note_no":"4","text_ja":"４. 2025年４月１日付で株式分割（１株につき、４株）を実施しています。また、2026年４月１日付で株式会社第一ライフグループへ商号変更をしています。"},{"holder_table":"reporting","note_no":"5","text_ja":"５. 特定投資株式とみなし保有株式を合算していません。"}],"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":9,"sale_proceeds_yen":6560000000,"entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","issues_increased":1,"acquisition_cost_yen":49000000,"issues_decreased":2,"sale_proceeds_yen":83000000,"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":35389000000,"listed_yen":32893000000,"unlisted_yen":2496000000,"listed_issues":36,"unlisted_issues":64,"equity_yen":293044000000,"equity_basis":"jgaap_consolidated","total_assets_yen":820851000000,"assets_basis":"jgaap_consolidated","pct_of_equity":12.076343484254924,"pct_of_assets":4.311257463291145,"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":32893000000,"issue_count":36,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"listed"},{"holder_table":"reporting","share_class":"unlisted","book_value_yen":2496000000,"issue_count":64,"holder_table_label":"The filer itself","entity_scope":"parent_only","share_scope":"unlisted"}],"scale_history":[{"year":"2021","period_end":"2021-03-31","policy_total_yen":26936000000,"equity_yen":169946000000,"equity_basis":"jgaap_consolidated","pct_of_equity":15.849740505807727,"pct_of_assets":3.8055732943018126},{"year":"2022","period_end":"2022-03-31","policy_total_yen":23280000000,"equity_yen":179084000000,"equity_basis":"jgaap_consolidated","pct_of_equity":12.999486274597396,"pct_of_assets":3.169503063308373},{"year":"2023","period_end":"2023-03-31","policy_total_yen":25762000000,"equity_yen":201881000000,"equity_basis":"jgaap_consolidated","pct_of_equity":12.760982955305353,"pct_of_assets":3.7565161600769907},{"year":"2024","period_end":"2024-03-31","policy_total_yen":34678000000,"equity_yen":235839000000,"equity_basis":"jgaap_consolidated","pct_of_equity":14.704098982780625,"pct_of_assets":4.7700006327355355},{"year":"2025","period_end":"2025-03-31","policy_total_yen":30429000000,"equity_yen":256039000000,"equity_basis":"jgaap_consolidated","pct_of_equity":11.884517593022938,"pct_of_assets":3.890549604539422},{"year":"2026","period_end":"2026-03-31","policy_total_yen":35389000000,"equity_yen":293044000000,"equity_basis":"jgaap_consolidated","pct_of_equity":12.076343484254924,"pct_of_assets":4.311257463291145}],"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":"2019","period_end":"2019-03-31","named_holdings":47,"book_value_yen":23905000000},{"year":"2021","period_end":"2021-03-31","named_holdings":46,"book_value_yen":24501000000},{"year":"2022","period_end":"2022-03-31","named_holdings":41,"book_value_yen":20847000000},{"year":"2023","period_end":"2023-03-31","named_holdings":41,"book_value_yen":22905000000},{"year":"2024","period_end":"2024-03-31","named_holdings":41,"book_value_yen":31824000000},{"year":"2025","period_end":"2025-03-31","named_holdings":39,"book_value_yen":27826000000},{"year":"2026","period_end":"2026-03-31","named_holdings":37,"book_value_yen":32875000000}],"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."}}