Overview
Services

StemCell Institute

Stemcell Institute operates Japan's largest private cord blood banking service, collecting, processing, and cryogenically storing cord blood and umbilical cord tissue from newborns for potential future autologous regenerative medicine and cell therapy use. The company processes samples at its cell processing centers in Tokyo and Yokohama, holding approximately 94,683 cumulative cord blood units and 13,210 cord tissue units as of March 2025, representing the dominant market share among Japan's two registered private cord blood banks. Beyond banking, the company is developing new therapeutic applications of stored cells targeting conditions such as cerebral palsy, hypoxic-ischemic encephalopathy, and autism spectrum disorder, with additional investment activity in regenerative medicine, fertility treatment, and childcare-related businesses.

Market Cap
¥7.16B
US$45.7M
EV
¥4.66B
US$29.7M
Stock¥711▼-0.70%
US$1 = ¥156.80 (2026-10-23)
LTM EV/EBITDA
13.5
x
LTM EV/EBIT
23.1
x
LTM PER
48.7
x
LTM PBR
2.6
x
Stock vs TOPIX (1Y, base=100)vs TOPIX ▼-38.6%pt
100
Oct 24, 25 – Oct 23, 26StockTOPIX
MC → EV Bridge
7.16BUS$45.7MMarket Cap0.65BUS$4.12M+ Debt2.88BUS$18.4M− Cash0.83BUS$5.29M− Inv. Sec.0.56BUS$3.58M+ NCI4.66BUS$29.7MEV
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Performance & Balance
Revenue 5Y (¥B)
1.78US$11.4M'22/32.09US$13.3M'23/32.48US$15.8M'24/32.68US$17.1M'25/32.81US$17.9M'26/3
EBITDA 5Y (¥B)
0.32US$2.06M'22/30.40US$2.56M'23/30.53US$3.40M'24/30.55US$3.48M'25/30.36US$2.29M'26/3
Net Income 5Y (¥B)
0.13US$0.85M'22/30.20US$1.26M'23/30.31US$1.98M'24/30.39US$2.46M'25/30.16US$0.99M'26/3
Capital Structure
81%
19%
EquityD/E 0.24xDebt
Liquidity vs Debt 5Y (¥B)▲ Net Cash
CashInv. Sec.Debt
3.62US$23.1M'22/33.57US$22.8M0.01US$0.04M'23/33.36US$21.4M0.01US$0.06M'24/33.85US$24.5M0.52US$3.31M'25/33.66US$23.4M0.47US$3.02M'26/3
Shareholders
Top 10 hold 77.4%
1
NIHON TRIM CO.,LTD.
71.24%
2
Nagoya Small and Medium Business Investment & Consultation Co., Ltd.
1.67%
3
Kunimatsu YAMAMOTO
0.90%
4
Supercell Biotechnology Corporation (Standing Proxy: Shigeo YAO)
0.70%
5
StemCell Institute Employee Stock Ownership Association
0.66%
6
Shigemi WAKAMATSU
0.51%
7
Takafumi SHIMIZU
0.51%
8
Rakuten Securities, Inc.
0.46%
9
Hiroyuki NAKA
0.43%
10
Masao OBAYASHI
0.32%
Management
7 officers
Takafumi SHIMIZU
Representative Director, President
Sep 1998 Joined Nippon Trim Co., Ltd. Aug 2006 Vice President, PT. Super Wahana Tehno (Indonesia) Apr 2010 General Manager, Corporate Planning Department, Nippon Trim Co., Ltd. Apr 2013 Executive Officer in charge of overseas operations and corporate planning, Nippon Trim Co., Ltd. Sep 2013 Director of the Company Jun 2016 Representative Director, President of the Company (current) Jun 2026 Director (part-time), Nippon Trim Co., Ltd. (current)
1973-03-17
Tomoo YAMADA
Outside Director
Apr 1968 Joined Mitsubishi Corporation Apr 1998 General Manager, Fuel Division No. 2 (Adviser), Mitsubishi Corporation Feb 1999 General Manager, China Branch (Executive Officer), Mitsubishi Corporation Jul 2004 Managing Director, Toyokuni Kogyo Co., Ltd. Jun 2015 Outside Director of the Company Feb 2019 Outside Director of the Company (current)
1944-11-25
Yuko MORISAWA
Corporate Auditor
Apr 1995 Joined Mitsui Trust Bank, Limited (now Sumitomo Mitsui Trust Bank, Limited) Mar 2015 Director, Labo Remus Co., Ltd. (current) Jun 2023 Corporate Auditor of the Company (current)
1972-09-12
Kei KAYANO
Director
Oct 2000 Joined Nomura Research Institute, Ltd. Jun 2025 Joined the Company Aug 2025 Executive Officer and CFO; General Manager, Finance and Accounting, Administration Division of the Company (current)
1977-08-23
Yumi OKUBO
Outside Director
Apr 2000 Assistant Judge, Yokohama District Court May 2002 Registered as Attorney-at-Law Aug 2014 Partner, Shimada Law Office (current) Jun 2023 Outside Director of the Company (current) Jun 2026 Outside Director, Audit and Supervisory Committee Member, Komeri Co., Ltd. (scheduled to assume office)
1975-09-10
Ken NAGAE
Full-time Corporate Auditor
Apr 1984 Joined Mitsui & Co., Ltd. Oct 1992 Directeur Adjoint, Chimiques Department, Mitsui & Co. France Nov 2008 President & Director General, PT Hexa Indonesia, affiliate of Mitsui & Co., Ltd. Sep 2015 Executive Vice President, Advanced Composites, Inc., affiliate of Mitsui & Co., Ltd. Jun 2022 Full-time Corporate Auditor of the Company (current)
1961-12-13
Yoshito FUJIKAWA
Corporate Auditor
Apr 1993 Joined the Legal Training and Research Institute of the Supreme Court (completed Apr 1995) Apr 1995 Registered with the Osaka Bar Association Apr 1995 Joined Yodoyabashi Joint Law Office (now Yodoyabashi-Yamagami Joint Law Professional Corporation) (current) Jun 2008 Corporate Auditor, iPS Academia Japan, Inc. Jul 2014 Corporate Auditor, iPS Portal, Inc. (current) Feb 2019 Corporate Auditor of the Company (current) Jun 2024 Outside Corporate Auditor, Toyota Spinning Co., Ltd. (current)
1970-01-28
Large Shareholding Reports
No filings
Disclosures
No disclosures
Primary Source Filings
TDnet
2026-08-06
Q1 Earnings Flash
FY ending Mar 2027
EDINET
2026-06-23
Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2026-02-12
Q3 Earnings Flash
FY ending Mar 2026
EDINET
2025-11-14
Semi-Annual Securities Report
Period: Apr 2025 – Mar 2026
TDnet
2025-08-07
Q1 Earnings Flash
FY ending Mar 2026
EDINET
2025-06-24
Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2025-02-13
Q3 Earnings Flash
FY ending Mar 2025
EDINET
2024-11-14
Semi-Annual Securities Report
Period: Apr 2024 – Mar 2025
TDnet
2024-08-07
Q1 Earnings Flash
FY ending Mar 2025
EDINET
2024-06-27
Annual Securities Report
Period: Apr 2023 – Mar 2024
EDINET
2024-02-09
Quarterly Securities Report
Period: Oct 2023 – Dec 2023
EDINET
2023-11-10
Quarterly Securities Report
Period: Jul 2023 – Sep 2023
EDINET
2023-08-10
Quarterly Securities Report
Period: Apr 2023 – Jun 2023
EDINET
2023-06-26
Annual Securities Report
Period: Apr 2022 – Mar 2023
EDINET
2023-02-14
Quarterly Securities Report
Period: Oct 2022 – Dec 2022
EDINET
2022-11-11
Quarterly Securities Report
EDINET
2022-08-10
Quarterly Securities Report
EDINET
2022-06-24
Annual Securities Report
EDINET
2022-02-10
Quarterly Securities Report
EDINET
2021-11-12
Quarterly Securities Report
EDINET
2021-08-11
Quarterly Securities Report
EDINET
2021-06-30
Annual Securities Report
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