Electric Appliances · Fiscal year end Mar 31

RION CO.,LTD.

6823

リオン株式会社

FIGI BBG000G50P686823.T6823 JPCorp. no. 1012401002696

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 ¥13.6 billion (+4.5% YoY), Ordinary income ¥2 billion (+12.7% YoY), Net income ¥1.5 billion (+21.2% YoY).

	This period	Year on year
Revenue	¥13.6bn	+4.5%
Ordinary profit	¥2.0bn	+12.7%
Net profit to owners	¥1.5bn	+21.2%

From the securities report on EDINET, which states no forecast. History via /v1/companies/6823/earnings-releases.

Financials

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

Revenue: ¥28.5bn
Net income: ¥3.3bn
ROE: 10.1%
Equity ratio: 83.3%
Dividend / share: ¥85
Employees: 1,003

Revenue · ¥bn

Net income · ¥bn

Fiscal year	Revenue	Net income	Total assets	Net assets	ROE	EPS	Operating CF
2026-03-31	¥28.5bn	¥3.3bn	¥41.8bn	¥34.8bn	10.1%	¥271.41	¥4.2bn
2025-03-31	¥27.9bn	¥2.9bn	¥39.1bn	¥31.4bn	9.4%	¥232.19	¥3.4bn
2024-03-31	¥25.7bn	¥2.7bn	¥37.1bn	¥29.2bn	9.5%	¥215.51	¥2.9bn
2023-03-31	¥23.9bn	¥1.8bn	¥34.6bn	¥26.6bn	6.9%	¥146.33	¥1.8bn
2022-03-31	¥22.6bn	¥2.2bn	¥33.2bn	¥25.3bn	9.1%	¥181.41	¥2.8bn

Indicators

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

Metric	Value	Percentile among listed companies
ROE, %	10.1	59
Ordinary margin	0.1559	83.8
Equity ratio, %	83.3	93.2
Revenue growth	0.0224	35.5
Net income growth	0.1699	53.3
Operating cash flow / assets	0.0997	72.9

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; 1.8% held by other listed companies.

Results wording balance: +0.71. Proprietary text method; it describes the wording only and does not interpret context.

Via /v1/companies/6823/indicators. Descriptive figures, not a rating and not investment advice.

From other filings

As the company states them

Internal control, 2026-06-24: 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: Particle Counters, Medical Equipment, Environmental Equipment. /v1/companies/6823/segments

Latest voting result: 2026-06-25 · 剰余金処分の件 · passed. /v1/companies/6823/voting

Ownership changes

All companies →

2026-07-23

Below 5%−1.85pt

Mizuho Bank,Ltd. cut holdings in RION CO.,LTD. (6823) to 3.83% from 5.68%, below the 5% threshold.

S100YRONFiler profile Original filing (PDF, Japanese)
2026-05-12

Decrease−1.06pt

Mizuho Bank,Ltd. reduced holdings in RION CO.,LTD. (6823) to 5.68% from 6.74%.

S100Y2TEFiler profile Original filing (PDF, Japanese)
2026-05-12

Below 5%−1.18pt

Sumitomo Mitsui DS Asset Management Company, Limited cut holdings in RION CO.,LTD. (6823) to 3.97% from 5.15%, below the 5% threshold.

S100Y2YWFiler profile Original filing (PDF, Japanese)
2025-10-07

New 5% stake

Sumitomo Mitsui DS Asset Management Company, Limited disclosed a 5.15% stake in RION CO.,LTD. (6823), crossing the 5% reporting threshold.

S100WTNNFiler profile Original filing (PDF, Japanese)
2025-07-07

Decrease−1.14pt

Mizuho Bank,Ltd. reduced holdings in RION CO.,LTD. (6823) to 6.74% from 7.88%.

S100WB7AFiler profile Original filing (PDF, Japanese)
2024-11-08

Below 5%−1.06pt

Sumitomo Mitsui DS Asset Management Company, Limited cut holdings in RION CO.,LTD. (6823) to 4.02% from 5.08%, below the 5% threshold.

S100UNOHFiler profile Original filing (PDF, Japanese)
2024-06-21

Increase+1.03pt

Mizuho Bank,Ltd. raised holdings in RION CO.,LTD. (6823) to 7.88% from 6.85%.

S100TOI5Filer profile Original filing (PDF, Japanese)
2024-06-07

New 5% stake

Sumitomo Mitsui DS Asset Management Company, Limited disclosed a 5.08% stake in RION CO.,LTD. (6823), crossing the 5% reporting threshold.

S100TKPDFiler profile Original filing (PDF, Japanese)
2024-02-22

Increase+1.41pt

Mizuho Bank,Ltd. raised holdings in RION CO.,LTD. (6823) to 6.85% from 5.44%.

S100SXPTFiler profile Original filing (PDF, Japanese)
2024-02-07

New 5% stake

Mizuho Bank,Ltd. disclosed a 5.44% stake in RION CO.,LTD. (6823), crossing the 5% reporting threshold.

S100SQOKFiler profile Original filing (PDF, Japanese)

5% filings

Large shareholding reports on 6823

Filed	Filer	Stake	Change	Stated purpose
2026-07-23	Mizuho Bank,Ltd.	3.83%	−1.85pt	—
2026-05-12	Mizuho Bank,Ltd.	5.68%	−1.06pt	—
2026-05-12	Sumitomo Mitsui DS Asset Management Company, Limited	3.97%	−1.18pt	pure investment
2025-10-07	Sumitomo Mitsui DS Asset Management Company, Limited	5.15%	—	pure investment
2025-07-07	Mizuho Bank,Ltd.	6.74%	−1.14pt	—
2024-11-08	Sumitomo Mitsui DS Asset Management Company, Limited	4.02%	−1.06pt	pure investment
2024-06-21	Mizuho Bank,Ltd.	7.88%	+1.03pt	—
2024-06-07	Sumitomo Mitsui DS Asset Management Company, Limited	5.08%	—	pure investment
2024-02-22	Mizuho Bank,Ltd.	6.85%	+1.41pt	—
2024-02-07	Mizuho Bank,Ltd.	5.44%	—	—

Cross-shareholdings

From the annual report's status of shareholdings

Listed strategic holdings: 6 issues
Book value: ¥1.2bn
Sold in the year: — — issues
Bought in the year: — — issues
Mutual, both reports: 3
Held by listed cos.: 4

Holds	Book value	Shares vs. prior year	Mutual
nishikawa keisoku co.,ltd. 7500	¥408m	0.0%	both reports
YOKOWO CO.,LTD. 6800	¥332m	0.0%	both reports
FUJI KYUKO CO., LTD. 9010	¥182m	0.0%	both reports
Mizuho Financial Group, Inc. 8411	¥156m	0.0%	stated
Mitsubishi UFJ Financial Group, Inc. 8306	¥70m	0.0%	no
Sumitomo Mitsui Trust Group, Inc. 8309	¥3m	0.0%	no

Held by: YOKOWO CO.,LTD. 6800, FUJI KYUKO CO., LTD. 9010, nishikawa keisoku co.,ltd. 7500, Daitron Co.,Ltd. 7609

Purposes, all holdings and mutual flags via /v1/companies/6823/cross-holdings. Share changes include stock splits.

Major shareholders

As of fiscal year end 2026-03-31

Shareholder	Shares	Ratio
一般財団法人小林理学研究所	3,130,000	25.39%
日本マスタートラスト信託銀行株式会社（信託口）	1,190,000	9.66%
株式会社日本カストディ銀行（信託口）	1,018,000	8.26%
リオン取引先持株会	490,000	3.98%
株式会社みずほ銀行	210,000	1.70%
STATE STREET BANK AND TRUST COMPANY 505103	162,000	1.32%
リオン従業員持株会	156,000	1.27%
日本生命保険相互会社	150,000	1.22%
THE BANK OF NEW YORK MELLON 140044	149,000	1.21%
RE FUND 107-CLIENT AC	132,000	1.07%

U.S. funds holding 6823

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

29 U.S. funds held 176,300 shares worth $3.7m.

Fund	Shares	Value	% of fund	As of
THE JAPANESE SMALL COMPANY SERIES DFA INVESTMENT TRUST CO	51,800	$1.1m	0.027%	2026-07-31
INTERNATIONAL CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC	23,800	$0.5m	0.001%	2026-07-31
Avantis International Small Cap Value ETF American Century ETF Trust	16,000	$0.4m	0.002%	2026-05-31
WisdomTree Japan SmallCap Dividend Fund WisdomTree Trust	10,100	$0.2m	0.064%	2026-06-30
Old Westbury Small & Mid Cap Strategies Fund Old Westbury Funds Inc	9,800	$0.2m	0.002%	2026-07-31

Up to 25 funds per stock via the API.

Get this as JSON

GET /v1/companies/6823
GET /v1/companies/6823/financials
GET /v1/companies/6823/details
GET /v1/companies/6823/segments
GET /v1/companies/6823/voting
GET /v1/companies/6823/tender-offers
GET /v1/companies/6823/indicators
GET /v1/companies/6823/earnings-releases
GET /v1/events?ticker=6823
GET /v1/companies/6823/trades         
GET /v1/companies/6823/cross-holdings 
GET /v1/companies/6823/brief

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