Organization · Venture Capital
MarsBio
MarsBio is an early-stage venture capital fund based in Los Angeles, focusing on pre-seed and seed investments in biotechnology. The fund supports innovative companies in synthetic biology, therapeutics, and other life sciences sectors.
Overview
What MarsBio does
What MarsBio is
MarsBio is an early-stage venture capital fund based in Los Angeles, focusing on pre-seed and seed investments in biotechnology. The fund supports innovative companies in synthetic biology, therapeutics, and other life sciences sectors.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2019
- Approximate age
- About 7 years
- Structured capabilities
- Funder
- Last reviewed
- April 10, 2026
Official channels
Find MarsBio elsewhere
Open the official website or a supported primary organization account.
Capability profile
MarsBio as a funder
Investment thesis
MarsBio backs relentless founders with uncompromising visions of the future in biology, focusing on using biology as a manufacturing tool.
Focus narrative
MarsBio invests in various sectors within biotechnology, including synthetic biology, therapeutics, material science, agriculture, and consumer goods. The organization aims to back bold bioscience entrepreneurs at the earliest stages of their ventures, providing them with the necessary resources and support to succeed.
Value beyond capital
MarsBio provides value to its portfolio companies by leveraging its deep expertise in biotechnology and its network of industry connections. The fund supports entrepreneurs not only with capital but also with strategic guidance and resources to help them navigate the complexities of building successful biotech businesses.
Terms and economics
- Typical check
- $250,000–$500,000
Focus and fit
- Stages
- Pre-seed · Seed
- Sectors
- Biotech · Synthetic Biology · Materials Science · Agtech
- Regions
- United States
Availability
- Currently deploying
- Not published
Portfolio and track record
- Recorded portfolio count
- 10
Portfolio context
MarsBio's portfolio includes notable companies such as Diadem Biotherapeutics, which develops novel exosome immunotherapies; Encellin, known for implantable pockets for allogeneic cell therapies; and Spout, which creates drinkable water from atmospheric moisture. Other portfolio companies focus on advancements in single-cell sequencing, mitochondrial genome editing, and engineered microbes for health applications.
Common questions
What to know about MarsBio
Upseed classifies MarsBio under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 10, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.