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Overview

Services

Daiseki Co.,Ltd.

Daiseki Co., Ltd. is a Japan-based industrial waste management company providing collection, transportation, and intermediate processing of industrial waste, alongside soil contamination investigation and remediation services. The company also engages in used battery collection and recycling, lead smelting, non-ferrous metal raw material sales, tank cleaning and related engineering, VOC gas recovery, and petroleum chemical product manufacturing and sales. Operating through eight consolidated subsidiaries, the group covers a broad range of environmental services across Japan.

Market Cap

¥163B

US$1.04B

¥145B

US$926M

Stock¥3,455▼-1.00%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

7.6

LTM EV/EBIT

9.3

LTM PER

15.9

LTM PBR

1.9

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-14.5%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

MC → EV Bridge

AI Briefing

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Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

92%

EquityD/E 0.09xDebt

Liquidity vs Debt 5Y (¥B)▲ Net Cash

CashInv. Sec.Debt

Shareholders

Top 10 hold 56.0%

as of 2026-08-31 · Source: Annual Securities Report

The Master Trust Bank of Japan, Ltd.

15.91%

Custody Bank of Japan, Ltd.

10.88%

Kodomo Mirai Kenkyusho Co., Ltd.

5.45%

THE CHASE MANHATTAN BANK ,N.A. (Standing Proxy: Mizuho Bank, Ltd.)

4.37%

STATE STREET BANK AND TRUST COMPANY (Standing Proxy: Mizuho Bank, Ltd.)

4.36%

GOVERNMENT OF NORWAY (Standing Proxy: Citibank, N.A., Tokyo Branch)

3.74%

CEP LUX-ORBIS SICAV (Standing Proxy: Citibank, N.A., Tokyo Branch)

3.31%

JP MORGAN CHASE BANK (Standing Proxy: Mizuho Bank, Ltd.)

3.00%

Hakutai Co., Ltd.

2.59%

Hori Corporation Co., Ltd.

2.36%

Management

7 officers

Tetsuya YAMAMOTO

Representative Director, President and Executive Officer

As stated in item i

1965-01-09

Yasuo ITO

Representative Director, Executive Vice President and Executive Officer; Head, Business Management Headquarters; General Manager, Corporate Planning Office

As stated in item i

1972-09-20

Koji AMANO

Director, Senior Managing Executive Officer; Deputy Head, Business Management Headquarters

As stated in item i

1960-06-16

Katsumi MAEDA

Director, Audit and Supervisory Committee Member

As stated in item i

1974-12-25

Mitsuru OKADA

Director

As stated in item i

1956-11-21

Ayako SUGANUMA

Director, Audit and Supervisory Committee Member

As stated in item i

1958-01-24

Tomomi NAKAMURA

Director, Audit and Supervisory Committee Member

Apr 1980 Joined Aiho Co., Ltd. Jul 1983 Full-time staff, Aichi Prefectural Headquarters, Japan Socialist Party Apr 1987 First elected Member, Aichi Prefectural Assembly; re-elected for eight consecutive terms Apr 2002 Director, Midori Nursery School, Tokushige Welfare Association (current) Aug 2019 Director, Tokai Association for Encouraging Children of Bereaved Families, public interest incorporated foundation (current) Apr 2022 Director, Meijo University, school corporation (current) May 2026 Director, Audit and Supervisory Committee Member, the Company

1960-01-19

Large Shareholding Reports

Nomura Asset Management Co., Ltd.

2026-07-23

5.61%→4.24%

Nomura Asset Management Co., Ltd.

2026-04-07

5.62%→5.61%

Nomura Asset Management Co., Ltd.

2026-03-23

5.72%→5.62%

Massachusetts Financial Services Company

2026-03-05

6.14%→5.23%

Orbis Investment Management Limited

2025-11-21

5.26%

Nomura Asset Management Co., Ltd.

2025-11-10

5.46%→5.72%

Global Alpha Capital Management Ltd.

2025-10-02

5.37%→4.35%

Sumitomo Mitsui Trust Asset Management Co., Ltd.

2025-09-19

2.88%→2.33%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-10-13

Semi-Annual Securities Report

Period: Mar 2026 – Feb 2027

Daiseki Co.,Ltd.

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Daiseki Co.,Ltd.

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