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Fine Structure Ventures

Fine Structure Ventures

Overview

Fine Structure Ventures is a venture capital fund affiliated with FMR LLC, the parent company of Fidelity Investments, focused on early stage investments in disruptive scientific and technological innovation . They invest across the life cycle of a company from pre-seed to pre-IPO . The firm is dedicated to backing teams that are deploying revolutionary technologies and actively partners with them to commercialize scientific discovery .

Year Founded

2020

Portfolio Companies

25

Investments

Fine Structure Ventures investments
CompanyDateStageLead
Commonwealth Fusion SystemsDec 2021Series BCo-investor
Gilmour SpaceJun 2021Series CLead
VEIRJan 2025Series BCo-investor
Quaise EnergyFeb 2022Series ACo-investor
CaeluxAug 2023Series A ExtensionCo-investor
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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

Portfolio analytics

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Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is Fine Structure Ventures based?

Headquarters information for Fine Structure Ventures is not publicly available.

When was Fine Structure Ventures founded?

Fine Structure Ventures was founded in 2020.

How many portfolio companies does Fine Structure Ventures have?

Fine Structure Ventures has 25 portfolio companies in Caplight's dataset.

What are some companies in Fine Structure Ventures's portfolio?

Portfolio companies visible on Caplight include Commonwealth Fusion Systems, Gilmour Space, VEIR, Quaise Energy, Caelux.

What was Fine Structure Ventures's most recent investment shown here?

Fine Structure Ventures's most recent investment in this portfolio sample was in VEIR in 2025.

What sectors does Fine Structure Ventures focus on?

Fine Structure Ventures focuses on Frontier & Industrial Tech, Energy & Sustainability, Media, Entertainment & Gaming, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Healthcare & Life Sciences, Healthcare & Life Sciences, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Healthcare & Life Sciences, AI, Data & Cloud Infrastructure, Energy & Sustainability, Energy & Sustainability, Healthcare & Life Sciences, Frontier & Industrial Tech, Energy & Sustainability, AI, Data & Cloud Infrastructure, Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Telecommunications & Networking, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Frontier & Industrial Tech, Energy & Sustainability, Telecommunications & Networking, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Enterprise Software, Frontier & Industrial Tech, Frontier & Industrial Tech, Mobility, Transportation & Logistics, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech, Telecommunications & Networking, Frontier & Industrial Tech, Consumer & Commerce.

What company stages does Fine Structure Ventures focus on?

Fine Structure Ventures typically invests at the Early stage.

What is Fine Structure Ventures's AUM?

Fine Structure Ventures's assets under management are estimated between $100.0M and $250.0M.

Firmographic Details

Headquarters—
Year Founded2020

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