Catalys Pacific
Venture capitalTokyo · Seed–Series A · 25 people tracked
Also known as CATALYS PACIFIC, LLC
Investment thesis
Catalys Pacific centers its investment and company-building strategy on transpacific partnerships, combining an extensive global network with on-the-ground local presence in both Japan and the United States. This dual presence enables differentiated deal sourcing and access to early-stage opportunities to found and build bespoke new biotech companies on both sides of the Pacific. The firm aims to maximize therapeutic impact for patients worldwide while generating attractive risk-adjusted returns for investors, focusing on creating innovation for patients through precision therapeutics and drug development.
Source: firm website, verified Aug 11, 2026.
Team · 25 people
from the firm's website & public directoriesWhat they invest in
from 5 of 10 portfolio companiesBiotech ×5Medical Devices ×2Digital Health ×1Fintech ×1
HQs:United States×3Japan×1
Investments · 10 tracked
founders shown can be your intro pathBy year:2022 · 12020 · 12 dated
Clinical-stage biopharmaceutical company committed to developing best-in-class novel therapy for hypertension treatment.
BiotechRadnor, US
Adam Levy(Executive Officer)Srinivas Akkaraju(Director)Alexander Asam(Director)
BoardOlivier Litzka(Director)Derek DiRocco(Director)
Board seatTakeshi TakahashiBrian Taylor Slingsby· per SEC Form D · $118M raise · filed Jun 2022
Company advancing treatments for patients with acid-related disorders
Hepalys Pharma is a late-stage biopharmaceutical company developing innovative therapeutics for liver disease in Japanese and Asian patients, focusing on metabolic dysfunction-associated steatohepatitis (MASH) treatment through its lead candidate Lanifibranor.
BiotechMedical DevicesTokyo, JP
Catalys Pacific
BiotechSan Diego, US
Eckard Weber, M.D.(Director)Michael Sanders(Executive Officer)Nicole Vitullo(Director)Dennis Podlesak(Executive Officer, Director)Rick Orr(Director)Lynne Rollins(Executive Officer)
Board seatTakeshi TakahashiBrian Taylor Slingsby· per SEC Form D · $25M raise · filed Apr 2020
Company addressing social issues in neurology (noted as acquired).
Arialys Therapeutics develops precision medicines targeting pathogenic autoantibodies in the brain to treat neuropsychiatric disorders driven by autoimmune disease.
BiotechDigital HealthMedical DevicesLa Jolla, US
Peter Flynn, Ph.D.(Executive Officer, Director)
BoardJay Lichter, Ph.D.(Director)Brian Slingsby, M.D., Ph.D., M.P.H.(Director)Ed Hurwitz(Director)Ashish Xavier, Ph.D.(Director)Tighe Reardon(Executive Officer)
A multi-asset precision oncology company
A targeted approach for the control of hypertension
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 2
IPOs and acquisitions across the tracked portfolioMineralys TherapeuticsNASDAQ: MLYSPhathom PharmaceuticalsNASDAQ: PHAT
Portfolio news
latest coverage across their companiesArialys · fiercebiotech.com · Jun 20, 2025
Public market activity · per SEC filings
what is this? ⓘFiles 13F institutional holdings reports · latest Aug 2026
From the firm's own SEC EDGAR filings — stakes and insider roles in public companies, typically portfolio companies after an IPO. Not a portfolio list published by the firm.
Frequently asked questions
- What stage does Catalys Pacific invest at?
- Catalys Pacific invests at the Seed, Series A stages.
- What sectors does Catalys Pacific focus on?
- Catalys Pacific focuses on Biotech, Digital Health, Healthtech, Medical Devices.
- Where is Catalys Pacific located?
- Catalys Pacific is headquartered in Tokyo, JP.
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