Electric Appliances · Fiscal year end Dec 31

SEIKO ELECTRIC CO., LTD.

6653

株式会社正興電機製作所

FIGI BBG000BMK2D76653.T6653 JPCorp. no. 6290001014089

Latest half-year results

First half · fiscal year to 2026-12 · filed 2026-08-04

For the first half of the fiscal year to 2026-12: Revenue ¥17.1 billion (+18.7% YoY), Ordinary income ¥2 billion (+32.6% YoY), Net income ¥1.5 billion (+49.4% YoY).

	This period	Year on year
Revenue	¥17.1bn	+18.7%
Ordinary profit	¥2.0bn	+32.6%
Net profit to owners	¥1.5bn	+49.4%

From the securities report on EDINET, which states no forecast. History via /v1/companies/6653/earnings-releases.

Financials

Japan GAAP · consolidated · fiscal year to 2025-12-31

Revenue: ¥31.4bn
Net income: ¥2.0bn
ROE: 12.0%
Equity ratio: 52.1%
Dividend / share: ¥50
Employees: 971

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2025-12-31	¥31.4bn	¥2.0bn	¥34.7bn	¥18.1bn	12.0%	¥150.72	¥3.8bn
2024-12-31	¥29.1bn	¥1.5bn	¥30.3bn	¥15.9bn	10.6%	¥124.21	¥0.3bn
2023-12-31	¥27.1bn	¥1.2bn	¥28.8bn	¥13.2bn	9.7%	¥98.92	¥3.2bn
2022-12-31	¥25.0bn	¥1.1bn	¥28.1bn	¥11.6bn	9.6%	¥89.25	−¥0.1bn
2021-12-31	¥24.6bn	¥1.1bn	¥25.8bn	¥10.9bn	10.0%	¥87.17	¥1.6bn

Indicators

Computed by us from filings · fiscal year to 2025-12-31

Metric	Value	Percentile among listed companies
ROE, %	12	67.7
Ordinary margin	0.0996	67.7
Equity ratio, %	52.1	44.4
Revenue growth	0.0784	62.3
Net income growth	0.3255	66.8
Operating cash flow / assets	0.1097	77.8

Policy-uncertainty measure0.00 Share of the report's text discussing policy-related uncertainty, by policy area. Proprietary text method.

Ownership activity 0 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; 34.3% held by other listed companies.

Results wording balance: +1.00. Proprietary text method; it describes the wording only and does not interpret context.

Interest example: if all ¥978m of reported debt repriced by 50 basis points, a year's interest would rise by ¥5m, 0.1% of operating cash flow. Our arithmetic only, not a forecast: fixed-rate debt and hedges are ignored.

Via /v1/companies/6653/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Internal control, 2026-03-26: 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いたしました。 Filing

Segments, votes and tender offers

Stated in EDINET filings

Segments: Power Systems Business Unit, Environmental Energy and Control Systems Business Unit, IT System Solutions Business Unit, Services and Engineering Business Unit, Other. /v1/companies/6653/segments

Latest voting result: 2026-03-27 · 取締役(監査等委員である取締役を除く。)9名選任の件 · passed. /v1/companies/6653/voting

Ownership changes

All companies →

2026-03-31

Decrease−2.16pt

KRAFTIA CORPORATION reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 7.23% from 9.39%.

S100XUJ4Filer profile Original filing (PDF, Japanese)
2026-03-31

Decrease−1.15pt

KRAFTIA CORPORATION reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 6.08% from 7.23%.

S100XV21Filer profile Original filing (PDF, Japanese)
2025-08-06

Below 5%−1.01pt

Hitachi, Ltd. cut holdings in SEIKO ELECTRIC CO., LTD. (6653) to 3.99% from 5.00%, below the 5% threshold.

S100WG45Filer profile Original filing (PDF, Japanese)
2025-05-30

Decrease−0.69pt

Nishi-Nippon Railroad Co.,Ltd. reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 6.71% from 7.40%.

S100VT1WFiler profile Original filing (PDF, Japanese)
2024-11-20

Decrease−0.66pt

Hitachi, Ltd. reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 5.00% from 5.66%.

S100UR27Filer profile Original filing (PDF, Japanese)
2024-11-19

Decrease−0.31pt

Kyushu Electric Power Company, Incorporated reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 9.41% from 9.72%.

S100UN0OFiler profile Original filing (PDF, Japanese)
2024-06-13

Decrease−1.01pt

Hitachi, Ltd. reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 5.66% from 6.67%.

S100TL3SFiler profile Original filing (PDF, Japanese)
2023-12-22

Decrease−0.41pt

Nishi-Nippon Railroad Co.,Ltd. reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 7.40% from 7.81%.

S100SHAUFiler profile Original filing (PDF, Japanese)
2022-11-08

Below 5%−0.60pt

Nomura Securities Co.,Ltd. cut holdings in SEIKO ELECTRIC CO., LTD. (6653) to 4.42% from 5.02%, below the 5% threshold.

S100PGPIFiler profile Original filing (PDF, Japanese)
2022-08-04

Decrease−1.03pt

Kyushu Electric Power Company, Incorporated reduced holdings in SEIKO ELECTRIC CO., LTD. (6653) to 9.72% from 10.75%.

S100OT25Filer 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
株式会社クラフティア	2021-06-16 – 2025-10-28	-337,800	−2.51pt	—	—
株式会社日立製作所	2024-05-23 – 2025-07-31	-191,700	−1.46pt	—	—
九州電力株式会社	2021-12-06 – 2022-07-28	-292,547	−2.29pt	—	—
九州電力送配電株式会社	2021-12-06 – 2022-07-28	-213,153	−1.53pt	—	—

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/6653/trades.

5% filings

Large shareholding reports on 6653

Filed	Filer	Stake	Change	Stated purpose
2026-04-03	KRAFTIA CORPORATION	6.08%	0.00pt	—
2026-04-03	KRAFTIA CORPORATION	6.08%	0.00pt	—
2026-03-31	KRAFTIA CORPORATION	7.23%	−2.16pt	—
2026-03-31	KRAFTIA CORPORATION	6.08%	−1.15pt	—
2025-08-06	Hitachi, Ltd.	3.99%	−1.01pt	strategic holding
2025-05-30	Nishi-Nippon Railroad Co.,Ltd.	6.71%	−0.69pt	—
2024-11-20	Hitachi, Ltd.	5.00%	−0.66pt	strategic holding
2024-11-19	Kyushu Electric Power Company, Incorporated	9.41%	−0.31pt	—
2024-06-13	Hitachi, Ltd.	5.66%	−1.01pt	strategic holding
2023-12-22	Nishi-Nippon Railroad Co.,Ltd.	7.40%	0.00pt	—

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 11 issues
Book value: ¥4.5bn
Sold in the year: ¥39m 1 issues
Bought in the year: ¥1m 1 issues
Mutual, both reports: 10
Held by listed cos.: 12

Holds	Book value	Shares vs. prior year	Mutual
KRAFTIA CORPORATION 1959	¥3,392m	-15.4%	both reports
Fukuoka Financial Group, Inc. 8354	¥260m	0.0%	both reports
Nishi-Nippon Railroad Co.,Ltd. 9031	¥199m	+0.8%	both reports
Hitachi, Ltd. 6501	¥154m	0.0%	both reports
Nishi-Nippon Financial Holdings, Inc. 7189	¥94m	0.0%	both reports
Showa Manufacturing Co.,Ltd. 5953	¥88m	0.0%	both reports
SAIBU GAS HOLDINGS CO.,LTD. 9536	¥82m	0.0%	both reports
Seibu Electric & Machinery Co., Ltd. 6144	¥71m	0.0%	both reports
九州電力㈱ 9508	¥68m	0.0%	both reports
Kyushu Railway Company 9142	¥40m	0.0%	no

Held by: 9508 9508, Nishi-Nippon Railroad Co.,Ltd. 9031, KRAFTIA CORPORATION 1959, SAIBU GAS HOLDINGS CO.,LTD. 9536, Hitachi, Ltd. 6501, Fukuoka Financial Group, Inc. 8354, Nishi-Nippon Financial Holdings, Inc. 7189, Showa Manufacturing Co.,Ltd. 5953, marutai co.,ltd 2919, Seibu Electric & Machinery Co., Ltd. 6144, Nippon Tungsten Co.,Ltd. 6998, SAITA CORPORATION 1999

Purposes, all holdings and mutual flags via /v1/companies/6653/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2025-12-31

Shareholder	Shares	Ratio
みずほ信託銀行株式会社退職給付信託九州電力口及び九州電力送配電口再信託受託者株式会社日本カストディ銀行	1,186,000	8.77%
みずほ信託銀行株式会社退職給付信託西日本鉄道口再信託受託者株式会社日本カストディ銀行	933,000	6.89%
株式会社クラフティア	846,000	6.25%
株式会社日本カストディ銀行(三井住友信託銀行再信託分・西部瓦斯株式会社退職給付信託口)	554,000	4.10%
株式会社SBI証券	483,000	3.57%
株式会社日立製作所	430,000	3.18%
株式会社福岡銀行	317,000	2.34%
NOMURA PB NOMINEES LIMITED OMNIBUS-MARGIN(CASHPB)（常設代理人　野村證券株式会社）	305,000	2.25%
individual holder	287,000	2.12%
株式会社日本カストディ銀行(信託口)	271,000	2.00%

U.S. funds holding 6653

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

14 U.S. funds held 159,600 shares worth $2.1m.

Fund	Shares	Value	% of fund	As of
iShares International Small-Cap Equity Factor ETF iShares Trust	43,900	$0.6m	0.085%	2026-07-31
Avantis International Small Cap Value ETF American Century ETF Trust	31,600	$0.4m	0.002%	2026-05-31
THE JAPANESE SMALL COMPANY SERIES DFA INVESTMENT TRUST CO	30,400	$0.4m	0.010%	2026-07-31
Dimensional International Small Cap ETF Dimensional ETF Trust	15,400	$0.2m	0.003%	2026-07-31
INTERNATIONAL CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC	12,500	$0.2m	0.000%	2026-07-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/6653
GET /v1/companies/6653/financials
GET /v1/companies/6653/details
GET /v1/companies/6653/segments
GET /v1/companies/6653/voting
GET /v1/companies/6653/tender-offers
GET /v1/companies/6653/indicators
GET /v1/companies/6653/earnings-releases
GET /v1/events?ticker=6653
GET /v1/companies/6653/trades         
GET /v1/companies/6653/cross-holdings 
GET /v1/companies/6653/brief

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