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Overview

Machinery

Y.A.C.HOLDINGS CO.,LTD.

YAC Holdings is a Japanese industrial conglomerate operating across three segments: Semiconductor & Mechatronics (hard disk drive equipment, clean transfer systems, semiconductor manufacturing equipment, laser process systems, ion beam milling devices, and carrier tapes), Medical & Healthcare (dialysis equipment, automated immunoassay systems, and hair analysis devices), and Environmental & Social Infrastructure (industrial instruments, control/communication devices, laundry/cleaning machinery, and precision heat treatment equipment). The group develops, designs, manufactures, sells, and provides maintenance services for these products through approximately 20 consolidated subsidiaries. Key subsidiaries include YAC Mechatronics, YAC Beam, YAC Elecs, YAC Machinery, Okura Electric, and YAC Bio, serving customers in Japan, Singapore, China, and other markets.

Market Cap

¥19.1B

US$122M

¥25.3B

US$161M

Stock¥1,091▼-1.36%

US$1 = ¥156.80 (2026-10-23)

LTM EV/EBITDA

11.2

LTM EV/EBIT

15.9

LTM PER

13.5

LTM PBR

1.2

Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-1.8%pt

Oct 24, 25 – Oct 23, 26StockTOPIX

1Nov 20, 25Individual positive factor continuation

2Mar 5, 26Individual buyback rebound

MC → EV Bridge

AI Briefing

Generating insights…

Performance & Balance

Revenue 5Y (¥B)

EBITDA 5Y (¥B)

Net Income 5Y (¥B)

Capital Structure

44%

56%

EquityD/E 1.25xDebt

Liquidity vs Debt 5Y (¥B)▼ Net Debt

CashInv. Sec.Debt

Shareholders

Top 10 hold 36.2%

as of 2026-03-31 · Source: Annual Securities Report

Momotake Co., Ltd.

13.74%

The Master Trust Bank of Japan, Ltd. (Trust Account)

7.90%

Takefumi MOMOSE

3.76%

State Street Bank and Trust Company 505103 (Standing Proxy: Settlement Operations Department, Mizuho Bank, Ltd.)

2.62%

BNYM AS AGT/CLTS NON TREATY JASDEC (Standing Proxy: MUFG Bank, Ltd.)

2.08%

MATSUI SECURITIES CO.,LTD.

1.32%

Ryoji TSURUTA

1.31%

Yasuaki KAWAI

1.23%

Central Tanshi Co., Ltd.

1.14%

Yoshihisa YAMASHITA

1.12%

Management

11 officers

Takefumi MOMOSE

Representative Director, Chairman and President; Head of Management Strategy Headquarters; Head of Business Integration Headquarters

May 1973 Founded the Company and concurrently Representative Director, President Dec 2013 Representative Director, Chairman, Okura Electric Co., Ltd. (current) Aug 2016 Representative Director, Chairman, Miyuki Elex Co., Ltd. (now YAC Elex Co., Ltd.) (current) Jun 2019 Head of Management Strategy Headquarters (current) Oct 2020 Head of Business Integration Headquarters (current) Oct 2020 Representative Director, Chairman, YAC Garter Co., Ltd. (current) Apr 2023 Representative Director, Chairman and Representative Director, President of the Company (current) Apr 2024 Representative Director, Chairman, YAC Bio Co., Ltd. (current)

1937-11-24

Akihiro OKURA

Director, Senior Managing Executive Officer; Deputy Head of Business Integration Headquarters

Dec 1995 Joined Okura Electric Co., Ltd. May 2011 Director, Okura Electric Co., Ltd. Jun 2015 Representative Director, President, Okura Electric Co., Ltd. (current) Jun 2021 Director of the Company Jun 2022 Director, Managing Executive Officer of the Company May 2023 Director, Senior Managing Executive Officer of the Company (current) Jun 2024 Representative Director, Chairman, YAC Denko Co., Ltd. (current) Jun 2024 Representative Director, Chairman, YAC Machinery Co., Ltd. (current) Jun 2025 Representative Director, Chairman, JE International Co., Ltd. (current) Jun 2025 Representative Director, Chairman, Techno Optis Co., Ltd. (current) Mar 2026 Representative Director, Chairman, Sanwa Denki Keiki Co., Ltd. (current)

1961-07-09

Tadashi HATAKEYAMA

Director, Managing Executive Officer; Head of Administration Headquarters

Apr 1977 Joined Nippon Kogyo Ginko (now Mizuho Bank, Ltd.) Sep 2000 General Manager, Accounting Department, Mizuho Holdings, Inc. Apr 2003 General Manager, Accounting Department, Kokyo Lease Co., Ltd. (now Mizuho Leasing Co., Ltd.) Jun 2005 Director and Executive Officer, General Manager, Planning Department, Kokyo Lease Co., Ltd. Jun 2006 Managing Director and Managing Executive Officer, General Manager, Planning Department, Kokyo Lease Co., Ltd. Jun 2013 Full-time Audit & Supervisory Board Member, Kokyo Lease Co., Ltd. Jul 2017 Joined the Company; General Manager, Accounting Department, Administration Headquarters Jun 2019 Director, Executive Officer; Head of Finance Headquarters and General Manager, Finance Department May 2020 Director, Managing Executive Officer; Head of Finance Integration Headquarters and General Manager, Finance Department Jun 2021 Director, Managing Executive Officer; Head of Administration Integration Headquarters and General Manager, Finance Department Jun 2022 Director, Managing Executive Officer; Head of Administration Integration Headquarters (current) Apr 2024 Audit & Supervisory Board Member, YAC Bio Co., Ltd. (current) Mar 2026 Audit & Supervisory Board Member, Sanwa Denki Keiki Co., Ltd. (current)

1954-07-17

Masanori NISHISAKA

Director, Executive Officer; Deputy Head of Administration Headquarters

Apr 1986 Joined Kyowa Bank, Ltd. (now Resona Bank, Ltd.) Nov 2016 General Manager, Human Resources and General Affairs Department (seconded to the Company) Nov 2017 General Manager, Human Resources and General Affairs Department (transferred to the Company) May 2018 ISO 14001 Environmental Management Representative (current) Sep 2018 Audit & Supervisory Board Member, Okura Electric Co., Ltd. Sep 2018 Audit & Supervisory Board Member, YAC Dustec Co., Ltd. Jun 2019 Executive Officer, Administration Headquarters, General Manager, Human Resources and General Affairs Department of the Company Jun 2021 Director, Executive Officer; Deputy Head of Administration Integration Headquarters and General Manager, Human Resources and General Affairs Department Apr 2023 Statutory Auditor, GD Tech Co., Ltd. (current) Oct 2024 Director, Executive Officer; Deputy Head of Administration Integration Headquarters, General Manager, Human Resources and General Affairs Department, and Head of Risk Management Office (current)

1963-12-27

Hideaki KOBAYASHI

Director, Executive Officer

Nov 1995 Joined the Company Apr 2017 General Manager, MD Business Division, YAC Mechatronics Co., Ltd. Jun 2019 Director and General Manager, MD Business Division, YAC Mechatronics Co., Ltd. Apr 2023 Representative Director, President, YAC Mechatronics Co., Ltd. (current) Jun 2026 Director, Executive Officer of the Company (current)

1966-08-31

Tsuneyasu KIFUNE

Outside Director

May 1974 Joined World Sonic Co., Ltd. Oct 1979 Joined Nikkei Recruit Co., Ltd. (now Tsunagu Matching Success Co., Ltd.) Sep 1984 Director, Nikkei Recruit Co., Ltd. Mar 2000 Managing Director, Nikkei Recruit Co., Ltd. Dec 2007 Advisor, Japan Print Systems Co., Ltd. (now Japan Print Co., Ltd.) Feb 2008 Representative Director, President, Japan Print Systems Co., Ltd. Apr 2013 Senior Managing Director, Japan Print Systems Co., Ltd. Nov 2013 Representative Director, President, E-Life Co., Ltd. Mar 2014 Director, Japan Print Co., Ltd. Apr 2014 Director, Telepo Co., Ltd. Apr 2014 Representative Director, President, Television Weekly Kikaku Co., Ltd. Aug 2014 Director, Tresident Ceremony Co., Ltd. (now Tresere Co., Ltd.) Jun 2016 Outside Director of the Company (current)

1950-11-12

Ikuyo MORIBAYASHI

Outside Director

Jun 2012 Chairperson, NPO Diversity Community (established) (current) Sep 2016 Established Seeds Place Co., Ltd.; Representative Director, President (current) Jun 2021 Established Seeds Palette Co., Ltd.; Representative Director, President Jun 2023 Outside Director of the Company (current) Dec 2025 Director, Palette Co., Ltd. (current)

1964-10-11

Kazuhito OKUMURA

Outside Director

Apr 1999 Joined Asahi Bank, Ltd. (now Saitama Resona Bank, Ltd.) Oct 2003 Joined Glax & Associates, Inc. Feb 2014 Registered as Certified Management Consultant Jun 2015 Outside Audit & Supervisory Board Member, Ishizawa Kogyo Co., Ltd. (current) Jan 2022 Opened Kazuhito Okumura Certified Management Consultant Office (current) Apr 2022 Joined Akasaka Audit Corporation Apr 2023 Transferred to Akasaka Tax Corporation Jun 2023 Outside Director of the Company (current) Jul 2023 Director, Akasaka International Accounting Co., Ltd. (current)

1976-07-19

Jiro MURAKAMI

Full-time Audit & Supervisory Board Member

Apr 1986 Joined Bank of Tokyo, Ltd. (now MUFG Bank, Ltd.) Apr 2015 Senior Manager, Overseas Office Management Department, Sharp Corporation Jun 2016 Adviser, International Business Department, Resona Bank, Ltd. Apr 2018 Executive Officer, Resona Bank, Ltd. Apr 2022 Senior Managing Director, Resona Settlement Service Co., Ltd. Apr 2024 Advisor to the Company Jun 2024 Audit & Supervisory Board Member of the Company (current)

1961-04-28

Naoki TAKADA

Outside Audit & Supervisory Board Member

Jul 1971 Joined Export-Import Bank of Japan (now Japan Bank for International Cooperation) Jun 2000 Joined Sumitomo Corporation Apr 2002 Deputy General Manager, Power Projects Division, Sumitomo Corporation Apr 2003 Executive, Electrical & Mechanical Business Unit; General Manager, Electrical & Mechanical Division, Sumitomo Corporation Mar 2012 Special Adviser, Nichiei International Co., Ltd. (current) Jun 2015 Outside Audit & Supervisory Board Member of the Company (current)

1947-01-18

Tetsuro IIDA

Outside Audit & Supervisory Board Member

Aug 1976 Established Toyo System Co., Ltd. and concurrently Representative Director (current) Jun 2016 Outside Audit & Supervisory Board Member of the Company (current)

1950-09-07

Large Shareholding Reports

Nomura Asset Management Co., Ltd.

2026-10-22

2.82%→2.82%

Nomura Asset Management Co., Ltd.

2026-10-07

2.82%

Disclosures

No disclosures

Primary Source Filings

EDINET

2026-10-22

Large Shareholding Report

Y.A.C.HOLDINGS CO.,LTD.

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Y.A.C.HOLDINGS CO.,LTD.

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