Saisei Ventures
Cell & Gene Therapy · Venture Capital

Saisei Ventures portfolio

Saisei Ventures (Venture capital) is known to hold 6 companies, 4 of them startups. 3 of them are hiring now, with 15 open roles. Its companies closed 1 venture rounds in 12 months, raising $33M. Most of them work in Health Care, Biotechnology, Data & Analytics.

Source: Alion Venture capital Nov 11, 2026
Investments
6
4 of them startups
Hiring now
3
15 open roles
Rounds in 12 months
1
$33M raised

Companies Saisei Ventures has invested in

All 6 Hiring now 3
Craif Diagnostic Tests & IVD · Japan Venture round $33M · 2 mo ago 12 roles portfolio pageNov 3
Optieum Biotechnologies Cell & Gene Therapy · Japan Series A $9M · 21 mo ago 1 role portfolio pageNov 3
CureApp Digital Therapeutics Series G $51.5M · 4 yr ago 2 roles portfolio pageNov 3
Kenaitx portfolio pageNov 3
Tunetx Cell & Gene Therapy portfolio pageNov 3
United Immunity Web Analytics & Tag Management portfolio pageNov 3

Focus

Markets
Health Care80%
Biotechnology60%
Data & Analytics20%
Consumer Goods20%
Where its companies are
Japan33%
Stage of its companies
Series B33%
Series C and later33%
Series A33%

Questions about Saisei Ventures

How many companies has Saisei Ventures invested in?

Saisei Ventures is known to hold 6 companies: 4 startups, and 0 exits so far, read from its own portfolio page and the funding rounds that name it.

Is Saisei Ventures investing now?

Saisei Ventures has no round in the press in 12 months and no new company on its portfolio page in 90 days.

What does Saisei Ventures invest in?

The markets of the companies Saisei Ventures holds: Health Care (80%), Biotechnology (60%), Data & Analytics (20%), Consumer Goods (20%).

Which Saisei Ventures portfolio companies are hiring?

3 companies Saisei Ventures holds are hiring now, with 15 open roles listed on this page.

Who does Saisei Ventures invest alongside?

The investors that hold the most companies together with Saisei Ventures: Keio Innovation Initiative.

How this page is made

A company counts as a holding when the investor’s own portfolio page links to it, a program’s catalog lists it, or a funding round in the press names the investor. The numbers are rebuilt every night; each company shows where it came from and when it was first seen.

Sources: its portfolio page, read Nov 3

Saisei Ventures portfolio: 6 known companies. Alion, Nov 11, 2026. https://alion.io/company/saiseiventures/portfolio

Licence: CC BY-SA 4.0JSON