How Much Did Fieldstone Bio Raise? Funding & Key Investors

Date October 17, 2026
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Fieldstone Bio

COMPANY INFO

Fieldstone Bio, founded in 2023, is a biotechnology research company headquartered in Woburn, Massachusetts. It was co-founded by Dr. Chris Voigt, Dr. Brandon Fields, and Patrick Stone. The company develops unique remote-sensing solutions using biosensors to detect target chemicals, nutrients, pollutants, or pathogens, integrating AI algorithms to interpret results for customers. Fieldstone Bio has between 2 to 10 employees and focuses on creating novel biosensor-based technologies for environmental and agricultural applications.

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How Much Did Fieldstone Bio Raise? Funding & Rounds and Investors

Fieldstone Bio is a biotechnology research company founded in 2023 and based in Woburn, Massachusetts. Specializing in biosensor-based technologies for environmental and agricultural applications, Fieldstone Bio leverages synthetic biology and AI algorithms to provide unique remote-sensing solutions that detect chemicals, nutrients, pollutants, or pathogens in the environment. The company was co-founded by Dr. Chris Voigt, Dr. Brandon Fields, and Patrick Stone, and has quickly established itself as an innovator in the intersection of biotechnology, environmental monitoring, and artificial intelligence.

Fieldstone Bio funding activity reflects a focused and strategic approach to growth and product development. Since its founding, the company has raised a total of $5.92 million over a single round, with key support from venture capital partners invested in the future of synthetic biology. Their major funding round included top-tier investors such as Ubiquity Ventures, LDV Capital, and E14 Fund. The primary purpose of these investments has been to accelerate the development of AI-powered living sensors and to support scale-up of commercial and operational activities in the market.

Funding Rounds

Series A - $5.92 million - December 16, 2024

This Series A round provided Fieldstone Bio with $5.92 million to drive product development and significantly expand its operational footprint. The funds are earmarked for the development of AI-powered living sensors, further advancing their remote-sensing solutions for real-time environmental monitoring.

Seed - $5 million - May 15, 2025

Fieldstone Bio’s seed round raised $5 million to facilitate the initial expansion of operations and development of their core biosensor and AI capabilities. The funding supported the company's growth out of the Voigt Lab at MIT and accelerated the commercialization of its environmental monitoring technologies.

Key Investors

Ubiquity Ventures

Ubiquity Ventures served as the lead investor in Fieldstone Bio’s fundraising rounds. The venture capital firm is known for backing breakthrough technologies, and their investment in Fieldstone Bio funding underscores strong confidence in the company's synthetic biology and AI-driven solutions for environmental monitoring.

LDV Capital

LDV Capital specializes in investing in businesses using visual technologies and AI. As a key participant in Fieldstone Bio funding rounds, LDV Capital brings significant expertise and a network that supports the company's commercialization and scaling efforts.

E14 Fund

E14 Fund focuses on supporting MIT-affiliated startups, offering both capital and access to the MIT innovation ecosystem. Their involvement as Fieldstone Bio investors provides valuable resources, advice, and strategic support as Fieldstone advances its scientific and market milestones.

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What is Exa?

This page is built with Exa, a web search API for AI agents. It is updated every 24 hours.

Exa searches the web, extracts relevant source content, and returns structured outputs with citations.

How it works

API request

Preview
TypeScript
const run = await exa.agent.runs.create({
  query: "Research Fieldstone Bio's funding rounds, key investors, total raised, and latest funding date. Return structured JSON with field-level citations.",
  effort: "low",
  outputSchema: {
    // company, fundingRounds, keyInvestors, totalRaised
    /* ... */
  }
});

const result = await exa.agent.runs.pollUntilFinished(run.id);
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API output

Preview
JSON
{
  "status": "completed",
  "output": {
    "structured": {
      "company": "Fieldstone Bio",
      "fundingRounds": [
        "..."
      ],
      "keyInvestors": [
        "..."
      ],
      "totalRaised": "Fieldstone Bio has raised a total of $5.92 million in funding over 1 round. The latest and only funding round was a Series A round held on December 16, 2024, raising $5.92 million. Key investors include Ubiquity Ventures (lead investor), LDV Capital, and E14. The purpose of the funding round was for product development and expanding operations, including development efforts related to AI-powered living sensors for environmental monitoring. Earlier reports also mention a $5 million seed funding round led by Ubiquity Ventures with participation from LDV Capital and E14 in May 2025, intended to expand operations and development efforts, which aligns with the Series A funding details."
    },
    "grounding": [
      {
        "field": "fundingRounds[0].amount",
        "citations": [
          {
            "url": "..."
          }
        ]
      }
    ]
  }
}
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