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Fine Structure Venture

North America, Massachusetts, United States, Boston

Description

Fine Structure Ventures is a Boston-based venture capital firm that specializes in investing in companies leveraging deep technology to address complex, industry-transforming challenges. Established with a clear mandate to support groundbreaking innovation, the firm partners with exceptional founders who are building businesses at the forefront of technological advancement. Their investment philosophy centers on identifying and nurturing companies that possess proprietary technology and have the potential for significant market disruption across various sectors, including AI, advanced materials, quantum computing, and biotechnology.

The firm made a significant mark with the closing of its inaugural fund, Fine Structure Ventures Fund I, LP, which secured an impressive $1.25 billion in commitments in June 2021. This substantial capital base positions Fine Structure Ventures as a formidable player in the deep tech investment landscape, enabling them to provide robust financial backing to their portfolio companies. Their strategic approach involves not just capital infusion but also active partnership, offering operational guidance and strategic support to help founders scale their ventures and navigate the complexities of commercializing cutting-edge technologies.

Given the substantial size of their fund and their focus on capital-intensive deep technology sectors, Fine Structure Ventures typically targets significant investment rounds. While specific figures can vary based on the stage and needs of the company, their initial check sizes generally range from $10 million to $75 million. This allows them to lead or co-lead substantial Series A, B, and later-stage growth rounds, providing the necessary capital for extensive research and development, market expansion, and talent acquisition. Their portfolio includes notable companies such as Lightmatter, Rigetti Computing, and Formlabs, all of which operate in highly innovative and capital-intensive domains, underscoring Fine Structure Ventures' commitment to fostering long-term growth in the deep tech ecosystem.

Investor Profile

Fine Structure Venture has backed more than 27 startups, with 4 new investments in the last 12 months alone. The firm has led 11 rounds, about 41% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Series A, Series B, Seed rounds (top funding stages).
  • Majority of deals are located in United States, United Kingdom, Spain.
  • Strong thematic focus on Energy, Manufacturing, Biotechnology.
  • Led 1 rounds in the past year.
  • Typical check size: $10M – $75M.

Stage Focus

  • Series A (52%)
  • Series B (19%)
  • Seed (19%)
  • Series E (7%)
  • Series C (4%)

Country Focus

  • United States (85%)
  • United Kingdom (11%)
  • Spain (4%)

Industry Focus

  • Energy
  • Manufacturing
  • Biotechnology
  • Semiconductor
  • Clean Energy
  • Renewable Energy
  • Information Technology
  • Electrical Distribution
  • Industrial Manufacturing
  • Agriculture
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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 Fine Structure Venture frequently co-invest with?

The Engine
North America, Massachusetts, United States, Cambridge
Co-Investments: 7
MCJ Collective
North America, Massachusetts, United States, Boston
Co-Investments: 3
SP
North America, Massachusetts, United States, Cambridge
Co-Investments: 4
ACVC Partners
North America, Kentucky, United States, California
Co-Investments: 3
Breakthrough Energy Ventures
Europe, Ile-de-France, France, Paris
Co-Investments: 4
Collaborative Fund
North America, New York, United States, New York
Co-Investments: 3
Lowercarbon Capital
North America, Wyoming, United States, Jackson
Co-Investments: 3
Alumni Ventures
North America, New Hampshire, United States, Manchester
Co-Investments: 3
Cultivian Sandbox Ventures
North America, Illinois, United States, Chicago
Co-Investments: 2
Khosla Ventures
North America, California, United States, Menlo Park
Co-Investments: 5

Which angels does Fine Structure Venture often collaborate with?

JD
North America, California, United States, Menlo Park
Shared Deals: 1
JD
North America, California, United States, Palo Alto
Shared Deals: 1
RS
North America, California, United States, Menlo Park
Shared Deals: 1
BG
North America, Washington, United States, Seattle
Shared Deals: 3
MD
North America, Massachusetts, United States, Hyannis
Shared Deals: 1
LK
North America, California, United States
Shared Deals: 1
IH
Europe, England, United Kingdom, London
Shared Deals: 1
JM
North America, Texas, United States, Dallas
Shared Deals: 1
RB
North America, South Carolina, United States, North Myrtle Beach
Shared Deals: 1
JM
North America, Massachusetts, United States, Cambridge
Shared Deals: 1

What are some of recent deals done by Fine Structure Venture?

Finwave Semiconductor

Waltham, Massachusetts, United States

Finwave Semiconductor develops a 3DGaN technology designed to enhance 5G devices.

Information TechnologyManufacturingSemiconductor
Series BMay 14, 2025
Amount Raised: $8,200,000
VEIR

Woburn, Massachusetts, United States

VEIR develops superconducting wires for electrical transmission that are used in data centers and renewable energy sectors.

Electrical DistributionPower GridSolar
Series BJan 28, 2025
Amount Raised: $75,000,000
iPronics

Valencia, Comunidad Valenciana, Spain

iPronics has pioneered the field of software-defined photonics and introduces the world's first optical switch.

ManufacturingSemiconductorSoftware
Series AJan 28, 2025
Amount Raised: $20,863,194
Constructive Bio

Cambridge, Cambridgeshire, United Kingdom

At Constructive Bio we rewrite genomes to build the biomolecules of the future.

Biotechnology
Series ASep 24, 2024
Amount Raised: $57,735,480
Mantle

San Francisco, California, United States

Mantle is metal 3D printing company that has developed technology for precision metal components such as tooling.

3D PrintingIndustrial ManufacturingManufacturingMechanical Engineering
Series CJul 10, 2024
Amount Raised: $20,000,000
Feon

Woburn, Massachusetts, United States

Feon develops new-molecule-based liquid electrolytes for lithium-ion and lithium-metal batteries.

BatteryClean EnergyCleanTechRenewable Energy
SeedJun 27, 2024
Amount Raised: $6,100,000
Osmoses

Cambridge, Massachusetts, United States

Osmoses engages in decarbonizing gas separations to eliminate one gigaton of carbon emissions per year.

GreenTechIndustrial
SeedOct 3, 2023
Amount Raised: $11,000,000
Ambient Photonics

Scotts Valley, California, United States

Ambient Photonics is a low light energy harvesting PV cells for smart home, consumer electronics, and IoT devices.

BatteryElectronicsEnergyEnergy EfficiencyInternet of Things
Series ASep 5, 2023
Amount Raised: $30,000,000
Caelux

Pasadena, California, United States

Caelux is a renewable energy company that develops perovskite-on-glass technology for the terrestrial solar and commercial space industries.

Energy EfficiencyProduct ResearchRenewable EnergySemiconductorSolar
Series AAug 14, 2023
Amount Raised: $12,000,000
Debut

San Diego, California, United States

Debut is an innovation company that integrates biotechnology and brand creation to build sustainable beauty businesses.

BeautyBiotechnologyConsumer GoodsCosmeticsPersonal Health
Series BJun 2, 2023
Amount Raised: $40,000,000