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Logomix

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Large-scale genome engineering platform for cell therapy

Tokyo, JapanFounded 2019Biotech & Life Sciences
Valuation $100–250M Last recorded · 2025
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Logomix and the history behind them.

About Logomix

Logomix is a synthetic biology company operating at the intersection of biotechnology and pharmaceuticals, specializing in large-scale human genome engineering. Founded in July 2019 by Taiki Ishikura (CEO) and Dr. Yasunori Aizawa (CSO) as a spin-off from the Tokyo Institute of Technology, the company has established its US headquarters in San Carlos, California, and a lab in Yokohama, Japan. The company's name is derived from "logogram" (a character representing a word) and "mix," reflecting its mission to combine the functional "words" encoded in genomic sequences to create new value.

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The core of Logomix's business is its proprietary Geno-Writing™ platform, a technology that enables the precise engineering and modification of megabase (Mb)-scale genomic sequences within human cells. This platform allows for rapid, extensive, and complex genetic alterations, positioning it as a foundational technology for creating 'super-functionalized' cells. The company's business model centers on providing this platform as a service and engaging in collaborative partnerships with biotech and pharmaceutical companies to accelerate the development of next-generation therapies. Its primary markets are cell therapy, regenerative medicine, and drug discovery.

Logomix serves clients in the biopharma industry by offering its Geno-Writing™ platform for discovery collaborations and by providing engineered human cell models for diseases linked to large chromosomal modifications. For instance, the company has developed universal donor iPS (induced pluripotent stem) cell lines available for licensing. It collaborates with partners like HebeCell to develop gene-edited NK cells for cancer treatment and Somite Therapeutics to integrate machine learning for enhanced therapeutic outcomes. Since a seed round of $3.9 million (¥500 million) in early 2023, Logomix secured an additional $19 million in a subsequent funding round in mid-2025 to fuel its US expansion and commercialization efforts. Key investors include Angel Bridge, JAFCO, UTokyo IPC, Globis Capital Partners, and Sand Hill Angels.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2019
Headquarters
Tokyo, Japan
Employees
10
Open positions
2
Dealroom signal
81.5/100
Industry
Health
Sub-industry
Pharmaceutical, BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Genetics and genomics, Synthetic Biology, Spinout, Genome Engineering, Biotech and Pharma, Bioeconomy, Hard Tech, DT and LS
Business model
Manufacturing
Client focus
b2b

Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC Jul 2025 $28M $111M Undisclosed —
SEED✓Equity / VC Feb 2023 $3.8M $15M UTokyo Innovation Platform · Christopher Hopper · Sand Hill Angels · Evan Moore ↗
Showing the latest 2 of 4 recorded eventsBook a demo for the full funding history →

Growth signals

Logomix website traffic

Latest recorded traffic for Logomix is 2K monthly website visits, down 42.9% over the last three months. Logomix's team declined 16.7% over the past year.

Latest monthly visits2K 3-month web change-42.9% 1-year team growth-16.7%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

9 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed6 investors entered at this stage

  • UTokyo Innovation Platform
  • Angel Bridge
  • Sand Hill Angels
  • JAFCO
  • Christopher Hopper
  • Evan Moore

Other known investors3 additional known investors

  • The University of Tokyo
  • Delight Ventures
  • StartX
Team profiled 2 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇯🇵 Japan62.5%
🇺🇸 United States25%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Logomix on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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