Construction · Fiscal year end Mar 31

TEKKEN CORPORATION

1815

鉄建建設株式会社

FIGI BBG000BH7Z131815.T1815 JPCorp. no. 2010001008709

Latest half-year results

First half · fiscal year to 2026-03 · filed 2025-11-13

For the first half of the fiscal year to 2026-03: Revenue ¥87.2 billion (-3.4% YoY), Ordinary income ¥3 billion (+415.8% YoY), Net income ¥2.8 billion (+35.6% YoY).

	This period	Year on year
Revenue	¥87.2bn	-3.4%
Ordinary profit	¥3.0bn	+415.8%
Net profit to owners	¥2.8bn	+35.6%

From the securities report on EDINET, which states no forecast. History via /v1/companies/1815/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2026-03-31

Revenue: ¥179.8bn
Net income: ¥5.0bn
ROE: 6.8%
Equity ratio: 30.6%
Dividend / share: ¥170
Employees: 1,837

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-03-31	¥179.8bn	¥5.0bn	¥255.9bn	¥78.7bn	6.8%	¥361.03	−¥13.9bn
2025-03-31	¥185.1bn	¥3.4bn	¥225.1bn	¥70.1bn	4.8%	¥242.75	−¥20.3bn
2024-03-31	¥183.6bn	¥4.3bn	¥211.3bn	¥72.1bn	6.2%	¥282.09	¥4.0bn
2023-03-31	¥160.7bn	¥2.4bn	¥183.4bn	¥65.5bn	3.7%	¥154.84	−¥0.2bn
2022-03-31	¥151.6bn	¥4.7bn	¥173.1bn	¥63.9bn	7.5%	¥303.11	¥5.3bn

Indicators

Computed by us from filings · fiscal year to 2026-03-31

Metric	Value	Percentile among listed companies
ROE, %	6.8	37.3
Ordinary margin	0.0327	26.2
Equity ratio, %	30.6	14.6
Revenue growth	-0.0286	16
Net income growth	0.4666	73.6
Operating cash flow / assets	-0.0543	7.4

Policy-uncertainty measure2.10 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Trade & tariffs 1 Fiscal & tax 3 Politics & geopolitics 3

Ownership activity 0 filer(s) stated they may make proposals in 365 days; 1 new 5% holder(s) in 180 days; net stake change 0.00pt in 90 days; 4.5% held by other listed companies.

Results wording balance: +0.60. Proprietary text method; it describes the wording only and does not interpret context.

Interest example: if all ¥75.7bn of reported debt repriced by 50 basis points, a year's interest would rise by ¥378m. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/1815/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Internal control, 2026-06-23: see filing 上記の評価の結果、当事業年度末日時点において、当社の財務報告に係る内部統制は有効であると判断しました。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Segments: Civil Engineering, Architectural Construction, Real Estate, Incidental Business, Other. /v1/companies/1815/segments

Latest voting result: 2026-06-25 · 剰余金の処分の件 · passed. /v1/companies/1815/voting

Ownership changes

All companies →

2026-06-05

New 5% stake

Sumitomo Mitsui DS Asset Management Company, Limited disclosed a 5.01% stake in TEKKEN CORPORATION (1815), crossing the 5% reporting threshold.

S100Y8TJFiler profile Original filing (PDF, Japanese)
2022-12-02

Increase+3.49pt

East Japan Railway Company raised holdings in TEKKEN CORPORATION (1815) to 17.62% from 14.13%.

S100PO8UFiler profile Original filing (PDF, Japanese)
2022-11-17

Increase+4.06pt

East Japan Railway Company raised holdings in TEKKEN CORPORATION (1815) to 14.13% from 10.07%.

S100PN5IFiler profile Original filing (PDF, Japanese)
2022-02-22

Below 5%−1.72pt

Mizuho Bank,Ltd. cut holdings in TEKKEN CORPORATION (1815) to 4.07% from 5.79%, below the 5% threshold.

S100NJPLFiler profile Original filing (PDF, Japanese)
2022-02-21

Below 5%−1.33pt

Mitsubishi UFJ Financial Group, Inc. cut holdings in TEKKEN CORPORATION (1815) to 4.19% from 5.52%, below the 5% threshold.

S100NIZJFiler profile Original filing (PDF, Japanese)

Trades by 5% holders

From the 60-day trade tables in 5% reports

Bought SoldHover a dot for the trade

Holder	Period	Net shares	Net % of shares	Avg. filed price	Range
東日本旅客鉄道株式会社	2022-11-16 – 2022-12-02	+1,183,400	+7.55pt	¥1,777.4	¥1,777–1,777

Net shares and the average are our calculations. Prices are filed prices as stated by the filer, mostly for off-market trades; they are not market prices. Stock lending, custody transfers and option exercises are excluded from net shares. Every row via /v1/companies/1815/trades.

5% filings

Large shareholding reports on 1815

Filed	Filer	Stake	Change	Stated purpose
2026-06-05	Sumitomo Mitsui DS Asset Management Company, Limited	5.01%	—	pure investment
2022-12-02	East Japan Railway Company	17.62%	+3.49pt	—
2022-11-17	East Japan Railway Company	14.13%	+4.06pt	—
2022-02-22	Mizuho Bank,Ltd.	4.07%	−1.72pt	—
2022-02-21	Mitsubishi UFJ Financial Group, Inc.	4.19%	−1.33pt	strategic holding

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 20 issues
Book value: ¥24.1bn
Sold in the year: ¥3.7bn 5 issues
Bought in the year: ¥24m 3 issues
Mutual, both reports: 5
Held by listed cos.: 7

Holds	Book value	Shares vs. prior year	Mutual
Central Japan Railway Company 9022	¥7,289m	-15.0%	both reports
KAJIMA CORPORATION 1812	¥3,544m	0.0%	both reports
Hulic Co.,Ltd. 3003	¥2,799m	0.0%	no
Kyushu Railway Company 9142	¥2,005m	0.0%	no
West Japan Railway Company 9021	¥1,310m	-29.9%	no
Mitsubishi UFJ Financial Group, Inc. 8306	¥1,228m	0.0%	stated
Sumitomo Realty & Development Co.,Ltd. 8830	¥1,071m	+100.0%	no
Hankyu Hanshin Holdings,Inc. 9042	¥933m	0.0%	no
Katakura Industries Co.,Ltd. 3001	¥872m	0.0%	no
MEIKO CONSTRUCTION CO.,LTD. 1869	¥589m	0.0%	no

Held by: KAJIMA CORPORATION 1812, Central Japan Railway Company 9022, Keihan Holdings Co.,Ltd. 9045, RAITO KOGYO CO., LTD. 1926, NIPPON DENSETSU KOGYO CO.,LTD 1950, Sun Messe Co.,Ltd. 7883, TOTETSU KOGYO CO.,LTD. 1835

Purposes, all holdings and mutual flags via /v1/companies/1815/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-03-31

Shareholder	Shares	Ratio
東日本旅客鉄道株式会社	2,761,000	19.76%
日本マスタートラスト信託銀行株式会社（信託口）	1,778,000	12.72%
株式会社日本カストディ銀行（信託口）	564,000	4.04%
鹿島建設株式会社	470,000	3.36%
鉄建職員持株会	274,000	1.97%
鉄建取引先持株会	217,000	1.56%
individual holder	141,000	1.01%
individual holder	141,000	1.01%
東海旅客鉄道株式会社	127,000	0.91%
individual holder	108,000	0.78%

U.S. funds holding 1815

SEC Form N-PORT, reports to 2026-07-31

31 U.S. funds held 510,960 shares worth $14.0m.

Fund	Shares	Value	% of fund	As of
VANGUARD TOTAL INTERNATIONAL STOCK INDEX FUND VANGUARD STAR FUNDS	138,546	$3.8m	0.001%	2026-07-31
VANGUARD DEVELOPED MARKETS INDEX FUND VANGUARD TAX-MANAGED FUNDS	93,688	$2.5m	0.001%	2026-06-30
INTERNATIONAL CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC	51,899	$1.4m	0.003%	2026-07-31
THE JAPANESE SMALL COMPANY SERIES DFA INVESTMENT TRUST CO	39,700	$1.1m	0.027%	2026-07-31
VANGUARD FTSE ALL-WORLD EX-US SMALL-CAP INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS	36,600	$1.0m	0.007%	2026-07-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/1815
GET /v1/companies/1815/financials
GET /v1/companies/1815/details
GET /v1/companies/1815/segments
GET /v1/companies/1815/voting
GET /v1/companies/1815/tender-offers
GET /v1/companies/1815/indicators
GET /v1/companies/1815/earnings-releases
GET /v1/events?ticker=1815
GET /v1/companies/1815/trades         
GET /v1/companies/1815/cross-holdings 
GET /v1/companies/1815/brief

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