SBXi

Cambridge, Massachusettssbxi.com

Overview

SBXi is a venture capital firm that invests in startups with at least one MIT alumni on the team. They write checks from $10K-$100K on SAFEs and $100K-$1M when there's a qualifying term-sheet they can match.

Year Founded

2023

Portfolio Companies

Website

sbxi.com

Investments

SBXi investments
Company	Date	Stage	Lead
Fabri	Jun 2026	Seed	Co-investor
Apers	Mar 2026	Pre Seed	Co-investor
LineWise	Sep 2025	Pre Seed	Co-investor
zeroRISC	Jun 2025	Seed	Co-investor
Unbound	May 2025	Seed	Co-investor

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021

2022

2023

2024

2025

2026

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FAQ

Firmographic Details

HeadquartersCambridge, Massachusetts

Year Founded2023

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