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SBXi

North America, Massachusetts, United States, Cambridge

Description

We offer equity funding for MIT founders who are working on a term sheet with a lead investor.

Investor Profile

SBXi has backed more than 18 startups, with 9 new investments in the last 12 months alone. The firm has led 0 rounds, about 0% of its total and boasts 0 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Pre Seed, Angel rounds (top funding stages).
  • Majority of deals are located in United States, Slovakia (Slovak Republic).
  • Strong thematic focus on Artificial Intelligence (AI), SaaS, Health Care.

Stage Focus

  • Seed (61%)
  • Pre Seed (33%)
  • Angel (6%)

Country Focus

  • United States (83%)
  • Country not foundSlovakia (Slovak Republic) (6%)

Industry Focus

  • Artificial Intelligence (Ai)
  • Saas
  • Health Care
  • Biotechnology
  • Software
  • Wearables
  • Manufacturing
  • Enterprise Applications
  • Medical
  • Fintech
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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 SBXi frequently co-invest with?

National Basketball Association
National Basketball Association
North America, New York, United States, Brooklyn
Co-Investments: 1
Y Combinator
Y Combinator
North America, California, United States, Mountain View
Co-Investments: 3
Phoenix Capital Ventures (PCV)
Phoenix Capital Ventures (PCV)
North America, Georgia, United States, Atlanta
Co-Investments: 1
The E14 Fund
The E14 Fund
North America, Massachusetts, United States, Boston
Co-Investments: 2
Drive by DraftKings
Drive by DraftKings
North America, Massachusetts, United States, Boston
Co-Investments: 1
Pioneer Fund
Pioneer Fund
North America, California, United States, San Francisco
Co-Investments: 2
MS
Madison Square Garden Sports Corp.
North America, New York, United States, New York
Co-Investments: 1
Newlab
Newlab
North America, New York, United States, New York
Co-Investments: 2
Castor Ventures
Castor Ventures
North America, Massachusetts, United States, Boston
Co-Investments: 1
Alumni Ventures
Alumni Ventures
North America, New Hampshire, United States, Manchester
Co-Investments: 1

Which angels does SBXi often collaborate with?

AR
Alayzain Rizavi
North America, Utah, United States, Salt Lake City
Shared Deals: 1
FT
Finbarr Taylor
North America, California, United States, Burlingame
Shared Deals: 1
Ray Stata
Shared Deals: 2
ME
Mark Ethier
North America, Massachusetts, United States, Boston
Shared Deals: 1
HK
Hilary Knight
North America, California, United States, Palo Alto
Shared Deals: 1

What are some of recent deals done by SBXi?

zeroRISC

Boston, Massachusetts, United States

ZeroRISC operates as a stealth start-up making hardware security foundations transparent and trustworthy.

HardwareInformation TechnologySecurity
SeedJun 11, 2025
Amount Raised: $10,000,000
Unbound Security

San Francisco, California, United States

Unbound Security enables employees to securely utilize AI tools in their work while safeguarding company secrets.

Artificial Intelligence (AI)Cyber SecurityInformation TechnologySaaS
SeedMay 29, 2025
Amount Raised: $4,000,000
BlueShift

Cambridge, Massachusetts, United States

BlueShift operates as an electrochemical climate tech innovator.

Assistive TechnologyMineralRecycling
Pre SeedMar 19, 2025
Amount Raised: $2,100,000

Neural Defend provide real-time deepfake detection with patent-pending AI technology.

Artificial Intelligence (AI)Machine LearningSecurity
Pre SeedMar 13, 2025
Amount Raised: $600,000
Surgicure Technologies

Cambridge, Massachusetts, United States

Surgicure is a start-up company that is dedicated to building effective medical instruments to prevent unnecessary harm.

BiotechnologyHealth CareMedicalMedical Device
SeedMar 12, 2025
Amount Raised: $1,785,000
Ooln

Austin, Texas, United States

Mobile app, Fintech, Trading, AI.

Pre SeedJan 1, 2025
Nowadays

Mercer Island, Washington, United States

Nowadays automates event planning through AI-driven venue negotiations and logistics.

Artificial Intelligence (AI)Event ManagementEvents
SeedDec 6, 2024
Amount Raised: $2,000,000
Lamarr.AI

Galanta, Trnava, Slovakia (Slovak Republic)

Lamarr.AI is developing automated solutions for building envelope diagnostics and refurbishment.

Artificial Intelligence (AI)SoftwareWeb Development
Pre SeedOct 16, 2024
Amount Raised: $1,100,000
XanderGlasses

Somerville, Massachusetts, United States

XanderGlasses offers augmented reality to enhance daily, in-person communication for users affected by hearing loss.

Assistive TechnologyAugmented RealityConsumer ElectronicsWearables
SeedSep 3, 2024
Amount Raised: $1,415,009
SPORO Health

Boston, Massachusetts, United States

Automating Clinical Workflows using AI-Agents

Artificial Intelligence (AI)Enterprise ApplicationsGenerative AIHealth CareHospitalMedicalMental HealthOutpatient CareSaaSSoftware
Pre SeedJun 21, 2024
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Founders in our network have raised from Y Combinator, Sequoia, a16z, and more. You could be next.

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