SV

Saisei Ventures

North America, Massachusetts, United States, Cambridge

Description

A venture capital firm building next-generation companies with transformative science and exceptional people in medicine industry.

Investor Profile

Saisei Ventures has made 7 investments, with 1 in the past 12 months and 29% as lead.

Stage Focus

  • Series A (43%)
  • Series B (14%)
  • Grant (14%)
  • Seed (14%)
  • Series D (14%)

Country Focus

  • Japan (57%)
  • United States (43%)

Industry Focus

  • Health Care
  • Medical
  • Biotechnology
  • Therapeutics
  • Artificial Intelligence (Ai)
  • Health Diagnostics
  • Machine Learning
  • Oncology
  • Nursing And Residential Care
  • Nutrition
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Saisei Ventures frequently co-invest with?

Daiwa Corporate Investment
Asia, Tokyo, Japan, Tokyo
Co-Investments: 1
Cure Ventures
North America, California, United States, Newport Beach
Co-Investments: 1
Alaska Permanent Fund
North America, Alaska, United States, Juneau
Co-Investments: 1
Hatteras Venture Partners
North America, North Carolina, United States, Durham
Co-Investments: 1
EC
North America, New York, United States, New York
Co-Investments: 1
Emerson Collective
North America, California, United States, Palo Alto
Co-Investments: 1
New Enterprise Associates
North America, California, United States, Menlo Park
Co-Investments: 1
Aflac Ventures Japan
Asia, Tokyo, Japan, Tokyo
Co-Investments: 1
The Column Group
North America, California, United States, San Francisco
Co-Investments: 1
Mission BioCapital
North America, Massachusetts, United States, Cambridge
Co-Investments: 1

What are some of recent deals done by Saisei Ventures?

Optieum Biotechnologies

Matsuyama-shi, Ehime, Japan

OB is a biotechnology company committed to developing innovative scfv antibody based therapies for the treatment of patients with cancers.

BiotechnologyMedicalTherapeutics
Series AJan 14, 2025
Amount Raised: $8,415,032
Kenai Therapeutics

San Diego, California, United States

Kenai Therapeutics focuses on developing therapies for neurodegenerative movement disorders.

BiotechnologyHealth CareMedicalTherapeutics
Series AFeb 29, 2024
Amount Raised: $82,000,000
United Immunity

Osaka, Osaka, Japan

United Immunity is a research, development, manufacture and sale of pharmaceuticals, mainly for cancer immunotherapy.

Health CareNursing and Residential CareNutrition
GrantSep 11, 2023
Kenai Therapeutics

San Diego, California, United States

Kenai Therapeutics focuses on developing therapies for neurodegenerative movement disorders.

BiotechnologyHealth CareMedicalTherapeutics
SeedJul 20, 2022
Amount Raised: $3,000,000
Tune Therapeutics

Seattle, Washington, United States

Tune Therapeutics is an epigenetic programming platform for the treatment of disease.

Biotechnology
Series ADec 2, 2021
Amount Raised: $40,000,000
Craif

Tokyo, Tokyo, Japan

Craif develops a cancer diagnosis algorithm by combining the microRNA database with machine learning technology.

Artificial Intelligence (AI)Health CareHealth DiagnosticsMachine LearningMedicalOncology
Series BNov 2, 2021
Amount Raised: $11,345,461
CureApp

Tokyo, Tokyo, Japan

CureApp is a digital health and therapeutic medical device software that connects patients and doctors.

Addiction TreatmentHealth CareMedicalMobile AppsSoftwareTherapeutics
Series DMar 12, 2021
Amount Raised: $19,266,055