Machinery · Fiscal year end Jun 30

NAGAOKA INTERNATIONAL CORPORATION

6239

株式会社ナガオカ

FIGI BBG001CQP4006239.T6239 JPCorp. no. 5120101043534

Latest half-year results

First half · fiscal year to 2026-06 · filed 2026-02-13

For the first half of the fiscal year to 2026-06: Revenue ¥3 billion (-15.7% YoY), Ordinary income ¥0.1 billion (-72.3% YoY), Net income ¥0.1 billion (-62.6% YoY).

	This period	Year on year
Revenue	¥3.0bn	-15.7%
Ordinary profit	¥142m	-72.3%
Net profit to owners	¥126m	-62.6%

From the securities report on EDINET, which states no forecast. History via /v1/companies/6239/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2026-06-30

Revenue: ¥7.5bn
Net income: ¥328m
ROE: 4.2%
Equity ratio: 75.8%
Dividend / share: ¥35
Employees: 227

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-06-30	¥7.5bn	¥0.3bn	¥10.5bn	¥8.0bn	4.2%	¥47.06	¥0.8bn
2025-06-30	¥8.9bn	¥1.0bn	¥10.0bn	¥7.5bn	13.4%	¥138.9	¥0.5bn
2024-06-30	¥9.5bn	¥1.2bn	¥10.3bn	¥7.0bn	18.2%	¥166.61	¥2.3bn
2023-06-30	¥8.1bn	¥0.9bn	¥8.9bn	¥5.6bn	16.4%	¥123.05	¥0.4bn
2022-06-30	¥6.3bn	¥0.8bn	¥7.4bn	¥5.0bn	17.8%	¥112.78	¥0.2bn

Indicators

Computed by us from filings · fiscal year to 2026-06-30

Metric	Value	Percentile among listed companies
ROE, %	4.2	20.3
Ordinary margin	0.0768	54.9
Equity ratio, %	75.8	84.1
Revenue growth	-0.1625	3.5
Net income growth	-0.662	10.2
Operating cash flow / assets	0.072	55.8

Policy-uncertainty measure2.00 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Politics & geopolitics 3

Ownership activity 1 filer(s) stated they may make proposals in 365 days; 0 new 5% holder(s) in 180 days; net stake change 0.00pt in 90 days; 0.0% held by other listed companies.

Results wording balance: -0.33. Proprietary text method; it describes the wording only and does not interpret context.

Interest example: if all ¥294m of reported debt repriced by 50 basis points, a year's interest would rise by ¥1m, 0.2% of operating cash flow. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/6239/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Share buyback, report to —: ¥4m acquired of a ¥4m limit. /v1/companies/6239/buybacks

Internal control, 2026-09-24: see filing 上記の評価の結果、当事業年度末日時点において、当社グループ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: Energy, Water, Other. /v1/companies/6239/segments

Latest voting result: 2026-09-25 · 剰余金の処分の件 · passed. /v1/companies/6239/voting

Ownership changes

All companies →

2026-05-25

Amendment+1.14pt

Fractal Business Inc. filed a correction to a 5% report on NAGAOKA INTERNATIONAL CORPORATION (6239).

S100Y63CFiler profile Original filing (PDF, Japanese)
2026-05-22

Increase+1.14pt

Fractal Business Inc. raised holdings in NAGAOKA INTERNATIONAL CORPORATION (6239) to 8.26% from 7.12%.

S100Y588Filer profile Original filing (PDF, Japanese)
2026-05-15

Stated it may make proposals+1.04pt

Fractal Business Inc. states it may make proposals to the management of NAGAOKA INTERNATIONAL CORPORATION (6239) (new compared with its previous filing).

S100Y3GXFiler profile Original filing (PDF, Japanese)
2026-05-15

Increase+1.04pt

Fractal Business Inc. raised holdings in NAGAOKA INTERNATIONAL CORPORATION (6239) to 7.12% from 6.08%.

S100Y3GXFiler profile Original filing (PDF, Japanese)
2026-02-16

Increase+1.01pt

Fractal Business Inc. raised holdings in NAGAOKA INTERNATIONAL CORPORATION (6239) to 6.08% from 5.07%.

S100XKZOFiler profile Original filing (PDF, Japanese)
2026-01-09

New 5% stake

Hikari Tsushin K.K. disclosed a 5.02% stake in NAGAOKA INTERNATIONAL CORPORATION (6239), crossing the 5% reporting threshold.

S100XF60Filer profile Original filing (PDF, Japanese)
2025-10-07

Amendment0.00pt

Fractal Business Inc. filed a correction to a 5% report on NAGAOKA INTERNATIONAL CORPORATION (6239).

S100WTO6Filer profile Original filing (PDF, Japanese)
2025-10-06

New 5% stake

Fractal Business Inc. disclosed a 5.07% stake in NAGAOKA INTERNATIONAL CORPORATION (6239), crossing the 5% reporting threshold.

S100WSLDFiler profile Original filing (PDF, Japanese)
2024-03-28

Amendment−7.06pt

HAMADA GROUP CO.,Ltd. filed a correction to a 5% report on NAGAOKA INTERNATIONAL CORPORATION (6239).

S100T5R6Filer profile Original filing (PDF, Japanese)
2024-03-21

Decrease−7.06pt

HAMADA GROUP CO.,Ltd. reduced holdings in NAGAOKA INTERNATIONAL CORPORATION (6239) to 51.88% from 58.94%.

S100T2POFiler 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
individual filer	2025-09-10 – 2026-05-20	+97,400	+1.37pt	¥1,489	¥1,489–1,489
光通信株式会社	2025-11-04 – 2025-12-30	+89,700	+1.26pt	—	—
株式会社ハマダグループ	2022-02-17 – 2024-03-13	-500,000	−7.06pt	¥1,235	¥1,235–1,235
株式会社ハマダ	2022-02-17 – 2022-02-17	0	0.00pt	—	—

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/6239/trades.

5% filings

Large shareholding reports on 6239

Filed	Filer	Stake	Change	Stated purpose
2026-05-25	Fractal Business Inc.	8.26%	+1.14pt	may make proposals pure investment
2026-05-22	Fractal Business Inc.	8.26%	+1.14pt	may make proposals pure investment
2026-05-15	Fractal Business Inc.	7.12%	+1.04pt	may make proposals pure investment
2026-02-16	Fractal Business Inc.	6.08%	+1.01pt	—
2026-01-09	Hikari Tsushin K.K.	5.02%	—	pure investment
2025-10-07	Fractal Business Inc.	5.07%	—	—
2025-10-06	Fractal Business Inc.	5.07%	—	—
2024-03-28	HAMADA GROUP CO.,Ltd.	51.88%	−7.06pt	—
2024-03-21	HAMADA GROUP CO.,Ltd.	51.88%	−7.06pt	—
2022-02-18	HAMADAGROUP CO.,LTD	58.94%	—	—

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: — issues
Book value: —
Sold in the year: ¥153m 1 issues
Bought in the year: — — issues
Mutual, both reports: 0
Held by listed cos.: 0

Holds	Book value	Shares vs. prior year	Mutual
鉱研工業㈱ 6297	—	sold all	no

Purposes, all holdings and mutual flags via /v1/companies/6239/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-06-30

Shareholder	Shares	Ratio
株式会社ハマダグループ	3,672,000	52.94%
光通信ＫＫ投資事業有限責任組合	354,900	5.12%
東海東京証券株式会社	340,300	4.91%
individual holder	153,600	2.21%
三菱ＵＦＪeスマート証券株式会社	130,400	1.88%
株式会社フラクタル・ビジネス	83,600	1.21%
individual holder	70,080	1.01%
株式会社ＳＢＩ証券	66,560	0.96%
GMO Optical Investment株式会社	54,100	0.78%
individual holder	51,000	0.74%

Get this as JSON

GET /v1/companies/6239
GET /v1/companies/6239/financials
GET /v1/companies/6239/details
GET /v1/companies/6239/segments
GET /v1/companies/6239/voting
GET /v1/companies/6239/tender-offers
GET /v1/companies/6239/indicators
GET /v1/companies/6239/earnings-releases
GET /v1/events?ticker=6239
GET /v1/companies/6239/trades         
GET /v1/companies/6239/cross-holdings 
GET /v1/companies/6239/brief

Plans from $9 a month · Documentation