Electric Appliances · Fiscal year end Aug 31

ADTEC PLASMA TECHNOLOGY CO.,LTD.

6668

株式会社アドテックプラズマテクノロジー

FIGI BBG000BNGY686668.T6668 JPCorp. no. 2240001029764

Latest half-year results

First half · fiscal year to 2026-08 · filed 2026-04-10

For the first half of the fiscal year to 2026-08: Revenue ¥5.5 billion (-13.2% YoY), Ordinary income ¥1 billion (-22.6% YoY), Net income ¥0.6 billion (-37.0% YoY).

	This period	Year on year
Revenue	¥5.5bn	-13.2%
Ordinary profit	¥977m	-22.6%
Net profit to owners	¥624m	-37.0%

From the securities report on EDINET, which states no forecast. History via /v1/companies/6668/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2025-08-31

Revenue: ¥12.7bn
Net income: ¥2.0bn
ROE: 15.9%
Equity ratio: 48.4%
Dividend / share: ¥27
Employees: 523

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2025-08-31	¥12.7bn	¥2.0bn	¥27.2bn	¥13.2bn	15.9%	¥234.4	¥3.4bn
2024-08-31	¥11.3bn	¥1.2bn	¥26.6bn	¥12.1bn	10.6%	¥141.83	¥3.0bn
2023-08-31	¥12.5bn	¥1.7bn	¥27.3bn	¥10.9bn	16.8%	¥195.66	−¥1.5bn
2022-08-31	¥12.3bn	¥2.2bn	¥20.8bn	¥9.2bn	27.2%	¥253.56	−¥1.6bn
2021-08-31	¥8.0bn	¥0.9bn	¥12.9bn	¥6.8bn	13.6%	¥101.96	−¥0.2bn

Indicators

Computed by us from filings · fiscal year to 2025-08-31

Metric	Value	Percentile among listed companies
ROE, %	15.9	80.5
Ordinary margin	0.1496	82.5
Equity ratio, %	48.4	39
Revenue growth	0.1223	74.8
Net income growth	0.6546	79.4
Operating cash flow / assets	0.1236	82.9

Policy-uncertainty measure0.83 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Trade & tariffs 1 Politics & geopolitics 1

Ownership activity 0 filer(s) stated they may make proposals in 365 days; 0 new 5% holder(s) in 180 days; net stake change −1.76pt in 90 days; 0.7% 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 ¥12.3bn of reported debt repriced by 50 basis points, a year's interest would rise by ¥61m, 1.8% of operating cash flow. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/6668/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Share buyback, report to —: ¥63m acquired of a ¥63m limit. /v1/companies/6668/buybacks

Internal control, 2025-11-26: see filing 上記の評価手続を実施した結果、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いたしました。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Segments: Related Business of Semiconductor and LCD, Related Business of Research Institutes and Universities. /v1/companies/6668/segments

Latest voting result: 2025-11-27 · 剰余金処分の件 · passed. /v1/companies/6668/voting

Ownership changes

All companies →

2026-10-06

Below 5%−1.76pt

SBI Asset Management Co., Ltd. cut holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 3.41% from 5.17%, below the 5% threshold.

S100Z5UGFiler profile Original filing (PDF, Japanese)
2026-07-07

Below 5%−1.34pt

Asset Management One Co., Ltd. cut holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 4.03% from 5.37%, below the 5% threshold.

S100YP1PFiler profile Original filing (PDF, Japanese)
2026-05-12

Decrease−2.30pt

Asset Management One Co., Ltd. reduced holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 5.37% from 7.67%.

S100Y2W3Filer profile Original filing (PDF, Japanese)
2026-03-06

Decrease−0.50pt

SBI Asset Management Co., Ltd. reduced holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 5.17% from 5.67%.

S100XOP3Filer profile Original filing (PDF, Japanese)
2026-02-20

Increase+2.32pt

Asset Management One Co., Ltd. raised holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 7.67% from 5.35%.

S100XMC5Filer profile Original filing (PDF, Japanese)
2026-02-06

New 5% stake

Asset Management One Co., Ltd. disclosed a 5.35% stake in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668), crossing the 5% reporting threshold.

S100XJIQFiler profile Original filing (PDF, Japanese)
2025-11-10

New 5% stake

SBI Asset Management Co., Ltd. disclosed a 5.67% stake in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668), crossing the 5% reporting threshold.

S100WYSNFiler profile Original filing (PDF, Japanese)
2025-05-22

Below 5%−2.16pt

Asset Management One Co., Ltd. cut holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 3.77% from 5.93%, below the 5% threshold.

S100VSF9Filer profile Original filing (PDF, Japanese)
2025-05-09

Decrease−2.30pt

Asset Management One Co., Ltd. reduced holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 5.93% from 8.23%.

S100VPQZFiler profile Original filing (PDF, Japanese)
2025-02-07

Decrease−1.63pt

Asset Management One Co., Ltd. reduced holdings in ADTEC PLASMA TECHNOLOGY CO.,LTD. (6668) to 8.23% from 9.86%.

S100V73CFiler profile Original filing (PDF, Japanese)

Trades by 5% holders

From the 60-day trade tables in 5% reports

Holder	Period	Net shares	Net % of shares	Avg. filed price	Range
individual filer	2022-07-01 – 2025-01-30	-523,800	−6.12pt	¥1,604	¥1,604–1,604

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/6668/trades.

5% filings

Large shareholding reports on 6668

Filed	Filer	Stake	Change	Stated purpose
2026-10-06	SBI Asset Management Co., Ltd.	3.41%	−1.76pt	pure investment
2026-07-07	Asset Management One Co., Ltd.	4.03%	−1.34pt	—
2026-05-12	Asset Management One Co., Ltd.	5.37%	−2.30pt	—
2026-03-06	SBI Asset Management Co., Ltd.	5.17%	−0.50pt	pure investment
2026-02-20	Asset Management One Co., Ltd.	7.67%	+2.32pt	—
2026-02-06	Asset Management One Co., Ltd.	5.35%	—	—
2025-11-10	SBI Asset Management Co., Ltd.	5.67%	—	pure investment
2025-05-22	Asset Management One Co., Ltd.	3.77%	−2.16pt	—
2025-05-09	Asset Management One Co., Ltd.	5.93%	−2.30pt	—
2025-02-07	Asset Management One Co., Ltd.	8.23%	−1.63pt	—

Cross-shareholdings

From the annual report's status of shareholdings

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

Held by: SAMCO INC. 6387

Purposes, all holdings and mutual flags via /v1/companies/6668/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2025-08-31

Shareholder	Shares	Ratio
individual holder	1,949,800	22.76%
individual holder	210,000	2.45%
株式会社日本カストディ銀行（信託口）	208,600	2.43%
WILL FIELD CAPITAL PTE. LTD.	205,400	2.40%
BNP PARIBAS LUXEMBOURG/2S/JASDEC/FIM/LUXEMBOURG FUNDS/UCITS ASSETS	205,000	2.39%
JP MORGAN CHASE BANK 380802	199,800	2.33%
individual holder	111,600	1.30%
NOMURA PB NOMINEES LIMITED OMNIBUS-MARGIN (CASHPB)	104,300	1.22%
アドテックプラズマテクノロジー従業員持株会	101,800	1.19%
individual holder	90,900	1.06%

U.S. funds holding 6668

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

5 U.S. funds held 37,400 shares worth $0.7m.

Fund	Shares	Value	% of fund	As of
Avantis International Small Cap Value ETF American Century ETF Trust	16,600	$0.3m	0.002%	2026-05-31
THE JAPANESE SMALL COMPANY SERIES DFA INVESTMENT TRUST CO	16,300	$0.3m	0.007%	2026-07-31
Optimum International Fund Optimum Fund Trust	2,000	$0.0m	0.004%	2026-06-30
SIT International Equity Fund SEI INSTITUTIONAL INTERNATIONAL TRUST	1,500	$0.0m	0.001%	2026-06-30
Avantis International Small Cap Value Fund American Century ETF Trust	1,000	$0.0m	0.003%	2026-05-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/6668
GET /v1/companies/6668/financials
GET /v1/companies/6668/details
GET /v1/companies/6668/segments
GET /v1/companies/6668/voting
GET /v1/companies/6668/tender-offers
GET /v1/companies/6668/indicators
GET /v1/companies/6668/earnings-releases
GET /v1/events?ticker=6668
GET /v1/companies/6668/trades         
GET /v1/companies/6668/cross-holdings 
GET /v1/companies/6668/brief

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