Sumiseki Holdings, Inc.

住石ホールディングス株式会社

Mining

Sumiseki Holdings,Inc. imports, purchases, and sells coal in Japan. It also manufactures, purchases, and sells industrial synthetic diamonds; and collects, processes, and sells rocks. The company invests in coal companies. Sumiseki Holdings,Inc. was incorporated in 2008 and is headquartered in Tokyo, Japan.

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Price

¥587

Market Cap

¥35.1B

Ent. Value

—

Net Cash est

—

Shares Out.

59.8M

P / E

7.6×

EV / EBIT

—

P / Book

1.25×

P / NCAV

1.74×

Div. Yield

5.11%

Financials

Metric	FY 2024 EDINET ↗	FY 2023 EDINET ↗	FY 2022 EDINET ↗	FY 2021 EDINET ↗
Net Sales	¥10.3B	¥22.6B	¥39.9B	¥12.4B
Cost of Sales	¥9.0B	¥13.2B	¥34.7B	¥8.9B
Gross Profit	¥1.3B	¥9.4B	¥5.2B	¥3.5B
SG&A	¥1.2B	¥1.4B	¥1.3B	¥1.1B
Operating Income	¥48M	¥8.0B	¥3.8B	¥2.3B
Non-Operating Income	¥4.8B	¥143M	¥65M	¥67M
Dividend Income	¥4.6B	¥8M	¥7M	¥6M
Interest Income	¥7M	¥0M	¥0M	¥0M
Non-Operating Expenses	¥118M	¥47M	¥186M	¥54M
Interest Expense	—	¥1M	¥42M	¥0M
Ordinary Income	¥4.7B	¥8.1B	¥3.7B	¥2.4B
Pre-tax Income	¥4.2B	¥7.7B	¥3.7B	¥2.3B
Income Taxes	¥-7M	¥152M	¥-1M	¥46M
Current Tax	¥30M	¥95M	¥106M	¥73M
Deferred Tax	¥-37M	¥57M	¥-107M	¥-27M
Net Income (owners)	¥4.2B	¥7.5B	¥3.7B	¥2.3B
Comprehensive Income	¥4.1B	¥7.7B	¥3.6B	¥2.4B
EBITDA	¥175M	¥8.1B	¥3.9B	¥2.4B
EPS	¥76.76	¥144.70	¥68.31	¥41.02
Shares Outstanding	59.8M	58.6M	60.4M	62.2M
Shares Issued (total)	67.2M	66.0M	66.0M	66.0M
Treasury Shares	7.4M	7.5M	5.7M	3.9M

Metric	FY 2024 EDINET ↗	FY 2023 EDINET ↗	FY 2022 EDINET ↗	FY 2021 EDINET ↗
Total Assets	¥29.0B	¥31.1B	¥26.1B	¥21.6B
Current Assets	¥21.2B	¥22.9B	¥17.6B	¥12.8B
Cash & Deposits	¥15.4B	¥18.7B	¥3.9B	¥3.4B
Trade Receivables	¥1.8B	¥2.1B	¥3.8B	¥2.0B
Non-Current Assets	¥7.8B	¥8.3B	¥8.5B	¥8.8B
PP&E	¥4.9B	¥5.3B	¥5.9B	¥6.0B
Intangible Assets	¥3M	¥4M	¥6M	¥1M
Investment Securities	¥2.8B	¥2.8B	¥2.5B	¥2.7B
Deferred Tax Assets	¥5M	¥4M	¥38M	¥10M
Total Liabilities	¥1.0B	¥4.1B	¥5.8B	¥4.2B
Current Liabilities	¥396M	¥3.4B	¥5.1B	¥3.4B
Accounts Payable	¥124M	¥2.3B	¥2.0B	¥1.5B
ST Debt	—	¥43M	¥2.9B	¥1.7B
Taxes Payable	¥31M	¥48M	¥48M	¥67M
Non-Current Liabilities	¥627M	¥766M	¥679M	¥774M
Pension Obligations	¥106M	¥132M	¥144M	¥137M
Deferred Tax Liab.	¥234M	¥267M	¥128M	¥223M
Total Equity	¥28.0B	¥27.0B	¥20.4B	¥17.4B
Capital Stock	¥2.5B	¥2.5B	¥2.5B	¥2.5B
Capital Surplus	¥988M	¥969M	¥947M	¥938M
Retained Earnings	¥25.3B	¥24.3B	¥17.5B	¥14.1B
Treasury Stock	¥-1.5B	¥-1.5B	¥-815M	¥-471M
AOCI	¥752M	¥647M	¥206M	¥246M
Equity (owners)	¥27.3B	¥26.3B	¥20.2B	¥17.1B

Total Interest-Bearing Debt ⓘ	—	¥43M	¥2.9B	¥1.7B
Net Cash ⓘ	¥15.4B	¥18.7B	¥1.0B	¥1.7B
NCAV ⓘ	¥20.2B	¥18.7B	¥11.8B	¥8.6B
NCAV/Share	¥338	¥319	¥196	¥138
BV/Share	¥456	¥450	¥334	¥275

Metric	FY 2024 EDINET ↗	FY 2023 EDINET ↗	FY 2022 EDINET ↗	FY 2021 EDINET ↗
Operating CF	¥26M	¥18.8B	¥53M	¥-3.0B
Taxes Paid	¥-71M	¥338M	¥-528M	¥499M
Interest Paid	—	¥0M	¥-40M	¥-3M
Interest Received	¥4.6B	¥8M	¥7M	¥6M
D&A	¥127M	¥108M	¥106M	¥105M
Investing CF	¥-216M	¥-11M	¥-22M	¥445M
CapEx	¥211M	¥10M	¥18M	¥5M
Financing CF	¥-3.2B	¥-4.0B	¥504M	¥1.4B
Dividends Paid	¥-3.1B	¥-413M	¥-289M	¥-178M
Share Buybacks	¥0M	¥-680M	¥-376M	¥0M
Free Cash Flow	¥-185M	¥18.8B	¥35M	¥-3.0B
Net Change in Cash	¥-3.4B	¥14.8B	¥535M	¥-1.2B

Metric	FY 2024 EDINET ↗	FY 2023 EDINET ↗	FY 2022 EDINET ↗	FY 2021 EDINET ↗
ROE	15.3%	31.8%	19.4%	14.0%
ROA	13.9%	26.3%	15.4%	10.5%
EPS	¥76.76	¥144.70	¥68.31	¥41.02
DPS	¥30.00	¥60.00	¥7.50	¥5.00
BPS	¥468.75	¥475.82	¥335.34	¥269.66
FCF/Share	¥-3	¥320	¥1	¥-49
NCAV/Share	¥338	¥319	¥196	¥138
Payout Ratio	39.1%	41.5%	11.0%	12.2%

Event Timeline

S Shareholder A Capital Signal

Large Shareholder Reports 39

Date	Activist	Stake	Event	Flag	Demands
2025-06-13	SMBC Nikko Securities Inc.	6.03% -13.4%	change	Passive	—
2024-11-27	ASO CORPORATION	50.64% +0.89%	change	Passive	—
2024-11-07	Sumitomo Mitsui Banking Corporation	7.04% -10.13%	change	Passive	—
2024-11-07	ASO CORPORATION	49.75% +11.54%	change	Passive	—
2024-07-25	SMBC Nikko Securities Inc.	19.43% -1.04%	change	Passive	—
2024-07-04	SMBC Nikko Securities Inc.	20.47%	change	Passive	—
2024-05-22	ASO CORPORATION	38.21%	change	Passive	—
2024-05-01	ASO CORPORATION	13.17% -23.65%	correction	Passive	—
2024-05-01	ASO CORPORATION	16.94% -19.88%	correction	Passive	—
2024-05-01	ASO CORPORATION	17.94% -18.88%	correction	Passive	—
2024-05-01	ASO CORPORATION	20.34% -16.48%	correction	Passive	—
2024-05-01	ASO CORPORATION	22.35% -14.47%	correction	Passive	—
2024-05-01	ASO CORPORATION	24.71% -12.11%	correction	Passive	—
2024-05-01	ASO CORPORATION	27.79% -9.03%	correction	Passive	—
2024-05-01	ASO CORPORATION	30.3% -6.52%	correction	Passive	—
2024-05-01	ASO CORPORATION	31.89% -4.93%	correction	Passive	—
2024-05-01	ASO CORPORATION	33.74% -3.08%	correction	Passive	—
2024-05-01	ASO CORPORATION	34.67% -2.15%	correction	Passive	—
2024-05-01	ASO CORPORATION	36.82%	correction	Passive	—
2024-05-01	ASO CORPORATION	38.21% +1.39%	correction	Passive	—
2024-04-08	Sumitomo Mitsui Banking Corporation	17.17%	change	Passive	—
2023-12-04	ASO CORPORATION	42.84% +1.56%	change	Passive	—
2023-11-30	ASO CORPORATION	41.28% +2.41%	change	Passive	—
2023-11-29	ASO CORPORATION	38.87% +1.04%	change	Passive	—
2023-11-27	ASO CORPORATION	37.83% +2.07%	change	Passive	—
2023-11-24	ASO CORPORATION	35.76% +1.78%	change	Passive	—
2023-11-22	Toshiya Imura	3.88%	correction	Passive	—
2023-11-21	ASO CORPORATION	33.98% +2.82%	change	Passive	—
2023-11-21	Toshiya Imura	3.88% -4.16%	change	Passive	—
2023-11-17	Toshiya Imura	8.04% -1.61%	change	Passive	—
2023-11-16	ASO CORPORATION	31.16% +3.46%	change	Passive	—
2023-11-16	Toshiya Imura	9.65% -4.54%	change	Passive	—
2023-11-15	ASO CORPORATION	27.7% +2.64%	change	Passive	—
2023-11-13	ASO CORPORATION	25.06% +2.25%	change	Passive	—
2023-11-09	ASO CORPORATION	22.81% +2.69%	change	Passive	—
2023-11-07	ASO CORPORATION	20.12%	change	Passive	—
2023-10-02	Toshiya Imura	14.19%	change	Passive	—
2023-07-05	Nomura Securities Co.,Ltd.	3.58% -2.88%	change	Passive	—
2023-06-05	Nomura Securities Co.,Ltd.	6.46%	initial_5pct	Passive	—

Capital Allocation Signals 1

Date	Type	Amount	Summary
2026-05-15 15:30	Div Cut	¥1.2B ¥20.0/sh -33%	Sumitomo Seihoku Holdings, announced a dividend of ¥20.00 per share for FY2026 (ended March 31, 2026), down 33% from ¥30…
Summary Sumitomo Seihoku Holdings, announced a dividend of ¥20.00 per share for FY2026 (ended March 31, 2026), down 33% from ¥30.00 in the prior year, with total dividend payout of ¥1.196 billion. The company targets a dividend payout ratio of 40%+ while balancing internal reserves for future business development. The dividend becomes effective June 5, 2026. YoY: -33% Source (JP) 2026年3月31日を基準日とする剰余金の配当を行うことについて決議しました。1株当たり配当金普通株式 20円00銭（前期実績 30円00銭）剰余金の配当に関するお知らせ TDnet PDF

#	Shareholder	Shares (thou.)	% of Total
1	株式会社麻生	34,044	56.94%
2	The Master Trust Bank of Japan, Ltd. (Trust Account) 日本マスタートラスト信託銀行株式会社(信託口)	3,072	5.14%
3	三井住友カード株式会社	1,679	2.81%
4	株式会社三井住友銀行	1,324	2.21%
5	株式会社日本総合研究所	836	1.40%
6	住友不動産株式会社	570	0.95%
7	Custody Bank of Japan, Ltd. (Trust Account) 株式会社日本カストディ銀行（信託口）	392	0.66%
8	楽天証券株式会社	364	0.61%
9	大澤政俊	363	0.61%
10	State Street Bank and Trust Company STATE STREET BANK AND TRUST COMPANY505223 (常任代理人株式会社みずほ銀行決済営業部)	341	0.57%

as of 2025-03-31 Source: EDINET ↗

Ownership by year — hover bars for detail

Domestic Nominees

5.8%

+1.0% vs 2024

Trust bank custodians — GPIF, pensions, investment trusts

Foreign Custodians

0.6%

-1.1% vs 2024

Sub-custodians for foreign asset managers

Direct / Strategic

65.5%

+6.7% vs 2024

Named entities with disclosed investment intent

Shareholder	Trend	2023	2024	2025
式会社麻生		20.82%	49.05%	56.94% +7.89%
日本マスタートラスト信託銀行		4.80%	4.75%	5.14% +0.39%
三井住友カード		1.61%	1.66%	2.81% +1.15%
三井住友銀行		2.49%	2.57%	2.21% -0.36%
式会社日本総合研究所		1.57%	1.63%	1.40% -0.23%
住友不動産		—	1.11%	0.95% -0.16%
日本カストディ銀行 NEW ENTRY	—	—	—	0.66% NEW
大澤政俊 NEW ENTRY	—	—	—	0.61% NEW
楽天証券 NEW ENTRY	—	—	—	0.61% NEW
State Street NEW ENTRY	—	—	—	0.57% NEW
SMBCファイナンスサービス last seen 2024	Exited Top 10	1.55%	1.60%	—
長崎駒樹 last seen 2024	Exited Top 10	—	1.17%	—
BNY Mellon last seen 2024	Exited Top 10	—	0.97%	—
JP Morgan last seen 2024	Exited Top 10	—	0.67%	—
井村俊哉 last seen 2023	Exited Top 10	2.26%	—	—
野村證券 last seen 2023	Exited Top 10	5.81%	—	—
日本証券金融 last seen 2023	Exited Top 10	6.09%	—	—
GMOクリック証券 last seen 2023	Exited Top 10	6.71%	—	—
Concentration (HHI) ⓘ		591	2447	3286

3 fiscal years · top-10 holders per year · >2,500 HHI = high concentration · entity-resolved