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Fine Structure Ventures

Fine Structure Ventures

—finestructure.vc

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

CompanyDateStageLead
Sepion TechnologiesApr 2026Series BLead
SepionApr 2026Series BLead
pH7 TechnologiesApr 2026Series BLead
DG MatrixFeb 2026Series ACo-investor
NitricitySep 2025Series BCo-investor
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Sector & Stage Mix

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SeedSeries ASeries BGrowth

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Investment Activity

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2021
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2025
2026

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Firmographic Details

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Year Founded2020

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