About CellSeed
CellSeed is a publicly listed company based in Koto (Japan) founded in 2001. Non-enzymatic cell harvesting technology is developed using temperature-responsive polymers. CellSeed has raised $6.99 million across 2 funding rounds from investors including Nomura, Whiz Partners and SMBC Venture Capital. The company has 38 employees. Its website cellseed.com draws about 22 thousand monthly visits. Its focus areas include Life Sciences, Life Sciences Platforms and Tools, Research Services and Diversified.
Company details
Founded in 2001 in Koto City, Japan, CellSeed operates in the biotechnology sector, focusing on cell culture consumables and regenerative medicine. A poly(N-isopropyl acrylamide) layer is utilized on surfaces to enable cell collection without enzymes, preserving cell interactions. Products such as UpCell, RepCell, and HydroCell are offered, alongside cell sheets for corneal, esophageal, cardiac, and periodontal regeneration.
- Headquarters Koto, Japan
- Employees 38
- Stage Public
- SectorsHealthcare
- Website category Health · Biotechnology and Pharmaceuticals
- Website cellseed.com
- Social LinkedIn
- Legal Name Cellseed Inc.
- Annual Revenue$534.11 K (USD)-56.71as on Dec 31, 2025
- Net Profit-$7.02 M (USD)-28.41as on Dec 31, 2025
- EBITDA-$6.7 M (USD)-23.6as on Dec 31, 2025
- Total Equity Funding$6.99M (USD)
in 2 rounds
- InvestorsNomura
& 10 more
- Employee Count38
Funding Insights of CellSeed
CellSeed has successfully raised a total of $6.99M across 2 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $6.99M
- Total Rounds 2
- First Round $6.99M
(Nov 2005)
- Investors Count 11
All 2 funding rounds of CellSeed with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jun 2014 | Post-IPO | – | – | ||
| Nov 2005 | $6.99M | Series A | – | SMBC Venture Capital, Ant Capital Partners | – |
11 investors in total: 11 institutional.
Investors in CellSeed
CellSeed has secured backing from 11 investors, including venture fund and institutional investors. Prominent investors backing the company include Nomura, Whiz Partners and SMBC Venture Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Investment management services are offered by Whiz Partners. | whizp.com | |||
| smbc-vc.co.jp | ||||
Investments are managed in buyout and solution areas to support Japanese enterprises. | antcapital.jp | |||
Venture capital firm investing in biotech, adtech sectors | nissay-cap.co.jp | Chiyoda City, Japan | ||
Early-stage tech companies in Japan are funded by Sansei Capital. | sanseicapital.com | Koto City, Japan | ||
VC firm investing in Japan and the US | nvcc.co.jp | Chiyoda City, Japan | ||
Venture capital is invested in AI, energy, and various sectors. | mucap.co.jp | Tokyo, Japan | ||
AG Capital is involved in unspecified business activities. | nf-partners.co.jp | |||
Venture capital funds are managed to support unlisted companies' growth. | sbinvestment.co.jp | Minato City, Japan | ||
Provides comprehensive investment management services for clients. | 2008 | neostella-cap.co.jp | Chuo City, Japan |
Investor details for CellSeed
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IPO & Listings of CellSeed
CellSeed is a publicly listed company on the TSE with ticker symbol 7776 in Japan, operating in the Health technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date16 Jul 2013
- Listed onTSE: 7776
- Listed entityCellSeed Inc.
- Exchange sectorHealth technology
- ISINJP3423530009
- Share price206.00 JPY (-0.48% on the day) · 2026-10-14
- Market capitalisation8,184,710,701.00 JPY
- EPS (diluted, trailing year)-28.97 JPY
- Volume (last session)113,600
Financials of CellSeed
| Year | Revenue | Net income | EBITDA |
|---|---|---|---|
| 2025 | 83.7M JPY | -1.10B JPY | -1.05B JPY |
| 2024 | 193.3M JPY | -859.8M JPY | -846.4M JPY |
| 2023 | 190.1M JPY | -846.5M JPY | -555.6M JPY |
| 2022 | 126.4M JPY | -759.7M JPY | -735.3M JPY |
| 2021 | 161.7M JPY | -912.9M JPY | -861.6M JPY |
Detailed financial statements for CellSeed
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Timeline of CellSeed
4 dated milestones of CellSeed across 13 years, from founding to its latest funding, stage changes and deals.
- Founded CellSeed is founded.
- Funding First funding round of $7.0M.
- IPO Lists on the stock exchange (IPO).
- Funding Latest funding round, Post-IPO,.
Web traffic of CellSeed
The website of CellSeed (cellseed.com) receives about 22.5K visits a month and ranks #1,450,872 among all websites worldwide, #1,891 in Biotechnology and Pharmaceuticals.
- Monthly visits22.5K
▲ 33.4% vs previous month
- Unique visitors2.4K
per month
- Global rank#1,450,872
among all websites
- Category rank#1,891
Health · Biotechnology and Pharmaceuticals
- Bounce rate43%
- Pages per visit2.8
- Average visit1 min 06 sec
- DevicesDesktop 71% · Mobile 29%
Websites whose visitors overlap most with CellSeed. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| takara-bio.co.jp | 100% | 147K | #262,103 | View details | |
| daiken-iki.co.jp | 61% | 11.1K | #1,241,395 | View details | |
kenkounomori.org | kenkounomori.org | 60% | #2,856,151 | – | |
okicityshakyo.com | okicityshakyo.com | 60% | #5,628,620 | – | |
ebina-kojiro.com | ebina-kojiro.com | 52% | #520,124 | – | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 8 similar websites and full traffic analytics for CellSeed
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Related news about Cellseed
Complete news archive for CellSeed
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Frequently Asked Questions about CellSeed
CellSeed was founded in 2001 and raised its 1st funding round 4 years after it was founded.
CellSeed is headquartered in Koto, Japan. It is registered at Koto, Tokyo, Japan.
CellSeed is a funded company, having raised a total of $6.99M across 2 funding rounds to date. The company's 1st funding round was a Series A of $6.99M, raised on Nov 2005.
CellSeed has 38 employees.
Annual revenue of CellSeed is $534.11K as on Dec 31, 2025.
Founded in 2001 in Koto City, Japan, CellSeed operates in the biotechnology sector, focusing on cell culture consumables and regenerative medicine. A poly(N-isopropyl acrylamide) layer is utilized on surfaces to enable cell collection without enzymes, preserving cell interactions. Products such as UpCell, RepCell, and HydroCell are offered, alongside cell sheets for corneal, esophageal, cardiac, and periodontal regeneration.
Yes, CellSeed is publicly traded on TSE under the ticker symbol 7776.
CellSeed has 11 investors. Key investors include Nomura, Whiz Partners, SMBC Venture Capital, Ant Capital Partners, and Nissay Capital.