Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥210.5bn2025-04-01 → 2025-09-30Cons.Operating revenue1
Revenue¥407.8bn2024-04-01 → 2025-03-31Cons.Operating revenue1 (5-year summary)
Revenue¥202.4bn2024-04-01 → 2024-09-30Cons.Operating revenue1
Operating income¥50.0bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥50.1bn2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥44.4bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥77.0bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥44.5bn2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥50.7bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥44.3bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥34.9bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥53.7bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥30.7bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥34.9bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥30.7bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥2.01Tat 2025-09-30Cons.Assets
Total assets¥2.03Tat 2025-03-31Cons.Assets
Total assets¥2.00Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥1.29Tat 2025-09-30Cons.Liabilities
Total liabilities¥1.31Tat 2025-03-31Cons.Liabilities
Net assets / equity¥723.6bnat 2025-09-30Cons.Net assets
Net assets / equity¥716.5bnat 2025-03-31Cons.Net assets
Net assets / equity¥679.8bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥37.9bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥38.8bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥52.9bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥73.8bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥71.8bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥90.7bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥61.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥123.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥56.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥51.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥89.5bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥42.6bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥30.9bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥50.9bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥32.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥60.122025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥92.512024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥52.842024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio36.0%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio35.3%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio34.0%at 2024-09-30Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

Segments · 54
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥2.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥122m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥1.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2025-09-30¥199m
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥4.5bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥4.5bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥63m
Consumer And Corporate Servicesreportable segmentrevenue2025-04-01 → 2025-09-30¥12.8bn
Consumer And Corporate Servicesreportable segmentrevenue external2025-04-01 → 2025-09-30¥11.6bn
Consumer And Corporate Servicesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥1.2bn
Consumer And Corporate Servicesreportable segmentsegment profit2025-04-01 → 2025-09-30¥4.2bn
Real Estatereportable segmentrevenue2025-04-01 → 2025-09-30¥7.2bn
Real Estatereportable segmentrevenue external2025-04-01 → 2025-09-30¥7.0bn
Real Estatereportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥123m
Real Estatereportable segmentsegment profit2025-04-01 → 2025-09-30¥2.8bn
Transportationreportable segmentrevenue2025-04-01 → 2025-09-30¥193.0bn
Transportationreportable segmentrevenue external2025-04-01 → 2025-09-30¥191.7bn
Transportationreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥1.3bn
Transportationreportable segmentsegment profit2025-04-01 → 2025-09-30¥42.7bn
—segment totalrevenue2025-04-01 → 2025-09-30¥212.9bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥210.4bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥2.6bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥49.8bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥214.9bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥210.5bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥4.5bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥50.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥1.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥116m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥1.7bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2024-09-30¥88m
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥4.2bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥4.2bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥57m
Consumer And Corporate Servicesreportable segmentrevenue2024-04-01 → 2024-09-30¥12.5bn
Consumer And Corporate Servicesreportable segmentrevenue external2024-04-01 → 2024-09-30¥11.3bn
Consumer And Corporate Servicesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥1.2bn
Consumer And Corporate Servicesreportable segmentsegment profit2024-04-01 → 2024-09-30¥4.1bn
Real Estatereportable segmentrevenue2024-04-01 → 2024-09-30¥7.1bn
Real Estatereportable segmentrevenue external2024-04-01 → 2024-09-30¥7.0bn
Real Estatereportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥109m
Real Estatereportable segmentsegment profit2024-04-01 → 2024-09-30¥2.7bn
Transportationreportable segmentrevenue2024-04-01 → 2024-09-30¥185.1bn
Transportationreportable segmentrevenue external2024-04-01 → 2024-09-30¥184.0bn
Transportationreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥1.2bn
Transportationreportable segmentsegment profit2024-04-01 → 2024-09-30¥43.1bn
—segment totalrevenue2024-04-01 → 2024-09-30¥204.7bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥202.3bn
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥2.4bn
—segment totalsegment profit2024-04-01 → 2024-09-30¥49.9bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥206.5bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥202.4bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥4.2bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30¥50.0bn

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 555
ItemContextValueUnit
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)財務大臣
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都千代田区霞が関三丁目1番1号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都
Address major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)東京都新宿区西新宿二丁目8番1号
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)日本マスタートラスト信託銀行株式会社(信託口)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都港区赤坂一丁目8番1号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京メトロ従業員持株会
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)東京都台東区東上野三丁目19番6号
Name major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都中央区晴海一丁目8番12号
Name major shareholdersInterimInstant_No7MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No7MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)野村信託銀行株式会社(投信口)
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)東京都千代田区大手町二丁目2番2号
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)THE BANK OF NEW YORK MELLON 140044(常任代理人 株式会社みずほ銀行決済営業部)
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember
Original text (Japanese)   単元株式数 100株権利内容に何ら限定のない当社における標準となる株式です。
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)1単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京地下鉄株式会社
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都台東区東上野三丁目19番6号
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes additional information semi annual consolidated financial statements (text)InterimDurationText · Plus
Major components of selling general and administrative expenses (text)InterimDurationText · Plus
Notes regarding provision (text)InterimDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)InterimDurationText · Plus
Notes regarding dividend (text)Prior1InterimDurationText · Plus
Notes regarding dividend (text)InterimDurationText · Plus
Notes segment information etc type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Footnotes regarding segment information table (text)Prior1InterimDurationText · Plus
Footnotes regarding segment information table (text)InterimDurationText · Plus

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass rounding
balance sheet identityconsolidated 2025-09-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass