Fundraising Fox

SBXi

Venture capital

Cambridge · Pre-Seed–Series A · 1 people tracked

Find your way into SBXi

570 people in our graph share verified history with the SBXi team — schools, employers, funds. One of them is your warm intro.

David Fialkowunlockedknows Robert Harrington · together at Boston College
×2knows the team · via U.S. House of Representatives
×8knows the team · via Boston College
knows the team · via GFI Group
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Investment thesis

SBXi invests in MIT alumni founders building generational companies across any sector. The fund emphasizes transparency, operational efficiency, and community support while remaining sector-agnostic. It provides accessible early-stage capital through a streamlined application process, aiming to enable founders to quickly close funding and focus on company building.

Invests inSector AgnosticCambridgeUnited States

Source: firm website, verified Aug 6, 2026.

Stage
Pre-Seed–Series A
Check
$10K – $1M
HQ
Cambridge, MA, US
Leads rounds
Follows
Instruments
Equity
Tracked investments
44

Team · 1 people

from public directories

What they invest in

from 41 of 44 portfolio companies

AI & Machine Learning ×22Healthtech ×11Enterprise Software ×6Hardware ×6SaaS ×6Data & Infrastructure ×5Deep Tech ×5Digital Health ×5

HQs:United States×24United Kingdom×1

Who they back

founder profiles across 26 portfolio companies
38%
solo founders
10 of 26 mapped founding teams
32%
repeat founders
of 41 founders with career history

Founding team size:solo founder×102 founders×93 founders×64+ founders×1

Where their founders studiedfrom 36 founders with education data

Massachusetts Institute of Technology ×18Harvard University ×3Brown University ×2Harvard Business School ×2Stanford University ×2University of Cambridge ×2

Where their founders worked beforefrom 41 founders with career history

Massachusetts Institute of Technology ×10MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) ×5MIT Media Lab ×4Crusoe ×3Apple ×2Caltech ×2Cruise ×2General Motors ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×11

14 founders hold a PhD · 3 hold an MBA (of 42 with degree data)

Investments · 44 tracked

founders shown can be your intro path
1849 bio1849.bioin𝕏

1849 bio engineers microorganisms to make metal extraction from low-grade copper and gold ores economically viable for mining operations.

Advanced ManufacturingBiotechClimate TechSan Francisco, US

Jai Padmakumar(Founder)inYongjin Park(Founder)in

Co-investorsSunna VenturesY Combinator

Acyberacyber.coin

Acyber provides offensive security tooling, including a platform called FUZZ-E, to support commercial and government penetration testers and hackers in finding vulnerabilities and compromising networks.

CybersecurityDefense TechGovTech

Co-investorsShield Capital

Aeroshieldaeroshield.techin

AeroShield is a materials science company that developed an ultra-clear silica aerogel, originating from research at MIT, aimed at improving the energy efficiency of buildings.

Advanced ManufacturingCleantechEnergyNew MaterialsCambridge, US

Elise Strobach(CEO & Co-founder)inKyle Wilke(CTO & Co-founder)inAaron Baskerville-Bridges(VP of Operations & Co-founder)in

BoardSusan Stewart(Director)Brandon Tinianov(Director)inStephen Venuto(Director)

Co-investorsClean Energy VentureMassMutual VenturesMassVentures

Aidyaidyhq.comin𝕏

Aidy is a free digital health platform for people with inflammatory bowel disease (IBD) that helps track symptoms, identify food and medication triggers, monitor treatments, and generate reports for physicians.

Digital HealthHealthtechWellness & FitnessSan Francisco, US

Max Williamson(Founder)inPeter Crocker(Founder)inGreg Miller(Founder)in

Co-investorsY Combinator

Almondfintechalmondfintech.comin𝕏

Almond provides intelligent FX routing orchestration and cross-border payment solutions for platforms, fintechs, and enterprise treasury teams.

AI & Machine LearningCrypto & Web3Fintech

Co-investorsQUBIC Labs

Altrinaaltrina.comin𝕏Defunct

Altrina provides intelligent automation software for regulated enterprises, specifically healthcare and legal back offices, that executes processes across fragmented systems and maintains compliance.

AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSan Francisco, US

Mo Nasir(Founder & CEO)inHarvey Hu(Founder)in

Co-investorsY Combinator

Amby Healthtryamby.comin𝕏

Amby is an AI coaching app that delivers personalized training plans via text messages, integrating data from Strava, Garmin, and Apple Health to provide proactive check-ins and coaching for endurance athletes.

AI & Machine LearningHealthtechSaaSWellness & FitnessSan Francisco, US

Yos Wagenmans(Founder)inTimmy Dang(Founder)in

Co-investorsY Combinator

Amiraamira.carein𝕏

Terra is a smart sleep system that detects and prevents menopausal hot flashes: a wearable bracelet monitors skin moisture and movement to predict a hot flash and triggers chilled water to flow through a mattress pad for instant cooling.

Digital HealthFemTechHardwareHealthtechWellness & Fitness

Co-investorsDorm RoomOwl VenturesSupermoon CapitalOwl

Amplified Industriesamplified.industriesin𝕏Mar 2025

Amplified Industries builds wireless sensors and an AI-driven platform for monitoring and optimizing oilfield assets, offering well data capture, pump diagnostics (DynaCard/PumpCard), remote pump-off control, and spill and leak prevention.

AI & Machine LearningEnergyIoTBoston, US

Sebastien Mannai(Executive Officer, Director)inCharles-Henri Clerget(Executive Officer, Director, Promoter)

BoardWilliam Severns(Director)Alexandra Manick(Director)

Co-investorsArgon VenturesSchooner Capital

Apersapers.app

Apers provides financial modeling, document intelligence, and deal workflow software for commercial real estate investment analysis.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechPropTechSaaS

Apertureaperture.space

Aperture develops low-frequency radar satellite technology to measure soil moisture at scale and high resolution for agricultural and environmental monitoring.

AgTechClimate TechDeep TechSpace TechBoston, US

Zach Kabelacin

Ariniarini.aiin𝕏

Arini is an AI-powered front desk system for dental groups, DSOs, and private practices that handles patient calls and text messages 24/7, offering scheduling, call routing, and custom workflow management.

AI & Machine LearningHealthtechSan Francisco, US

Abdul Jamjoom(Founder)inRami Rustom(Founder)in

Co-investorsJ17 CapitalTranspose Platform ManagementY Combinator

Aslanaslanprotects.comin

Aslan builds technology to detect and disrupt online-organized harm such as mass violence, trafficking, and transnational crime by operating within the digital environments where these activities are coordinated.

AI & Machine LearningCybersecurityDefense Tech

Co-investors2048 VenturesBoxGroupNotion CapitalRedstone

Augmendaugmend.health

AugMend develops virtual reality technology for healthcare providers to improve patient engagement and clinical documentation, capturing critical patient information that traditional systems miss while reducing administrative burden on clinical staff.

AI & Machine LearningDigital HealthHealthtech

Sacha MoreauAleksy DojnowinAlexandra Thérond

Auroramedtechauroramedtech.comin

The page profiles a scientific advisor in surgical endoscopy and flexible robotics, indicating the company operates in medical technology related to interventional endoscopy and minimally invasive surgery.

HealthtechMedical Devices

BoardSilvana Perretta(Scientific Advisor)in

Co-investorsGROOVE CAPITAL

Autonomusautonomus.ai

AutonomUS develops technology to automate and standardize image-guided interventional medical procedures, aiming to make specialist interventional expertise available across settings from ERs and outpatient clinics to operating rooms and battlefield care.

HealthtechMedical DevicesRobotics

Anthony Samir(Founder)Romeo Catracchia(CEO)Matt Johnson(CTO)inMichael Blaivas(CMO)Michael Pereira(CPO)

BoardBrian McEathron(Board Member)

Co-investorsService Provider Capital

Avocagetavoca.aiin𝕏

Avoca provides always-on AI voice and messaging agents that handle inbound calls, texts, and chats, run outbound SMS and call campaigns, and score calls for coaching in home and field service businesses.

AI & Machine LearningSaaSSales Tech

Basaltbasalt.spacein𝕏

Basalt operates managed satellite constellations controlled by artificial intelligence, serving private companies and government agencies that lack aerospace expertise and want to collect and stream satellite imagery and data to their devices.

Advanced ManufacturingAI & Machine LearningSpace TechSan Francisco, US

Maximillian Bhatti(Founder)in

Co-investorsCortado VenturesPeakTranspose Platform ManagementY CombinatorKima Ventures

Book Your Meetingfillout.comin𝕏

Fillout is a platform for building forms, surveys, and quizzes that also connects to other business tools to automate and scale data-collection workflows.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaS

Co-investors1818 Venture CapitalBonfire VenturesEdmonton UnlimitedForum VenturesGLOCAL LatamMandalay Venture Partners+5 more

Buildblueshiftbuildblueshift.comin

BlueShift develops and operates modular mineral-processing assets that combine on-site electrochemical reagent generation, intensified processing hardware, and intelligence software to reduce the cost and lead-times of critical mineral processing.

CleantechDeep TechNew Materials

Buntinglabsbuntinglabs.comin𝕏

Kue is an AI chatbot plugin for QGIS that translates plain English into SQL expressions and geoprocessing operations for geospatial analysis.

AI & Machine LearningData & InfrastructureDeep TechDeveloper ToolsGovTech

Co-investorsY Combinator

Cambridge Terahertzthzcorp.cominMay 2025

Cambridge Terahertz commercializes terahertz sensor technology based on MIT research, delivering compact on-chip radar systems that use non-ionizing radio waves to create 3D images analyzed by AI.

AI & Machine LearningDeep TechDefense TechHardwareCambridge, GB

Nathan Monroe(Executive Officer, Director)in

BoardCarolyne LaSala Holtorf(Director)Anand Dixit(Director)in

Co-investorsFelicis Venturesfutureland venturesGood Growth CapitalNeotribe VenturesSilicon Catalyst

CareOasisthecareoasis.comin

CareOasis provides a platform that helps family caregivers obtain certification, enroll in federal compensation programs, and access training resources.

FintechHealthtechWellness & FitnessDover, US

Anuhya Vajapey(Founder)inJuan M Ochoa Ortiz(Founder)in

Co-investorsY Combinator

Cascadegocascade.aiin

Cascade builds an agentic AI layer that sits across enterprise systems of record such as HRIS, ITSM, and benefits administration, deploying AI agents that interpret employee intent, enforce policy, and execute end-to-end workflows like onboarding, equipment requests, and benefits enrollment.

AI & Machine LearningEnterprise SoftwareHR TechBellevue, US

Ana-Maria Constantin(Founder)inPulak Goyal(Founder)in

Co-investorsGradient VenturesMyriad Venture PartnersA16Z SpeedrunAda Ventures

CassVitacassvita.comin

CassVita uses a process to extend the shelf-life of cassava from 3 days to 18 months and processes the crop in automated facilities into fufu, flour, starch, and animal feed, which it sells to multinationals including Nestle.

AgTechFoodTechImpact & Social Good

Pelkins Ajanoh(Cofounder)in

Co-investorsDorm RoomFINCA VenturesMulago Foundation

Centaurcentaur.aiin𝕏

Centaur.ai uses performance-based AI and collective intelligence methods to improve medical decision-making in skin lesion assessment for cancer detection.

AI & Machine LearningData & InfrastructureDigital HealthHealthtechMedical DevicesBoston, US

Erik Duhaime(Founder)inTom Gellatly(Founder)inZach Rausnitz(Founder)in

Co-investors186 VenturesAccelAlumni VenturesBasecamp FundMatrixOmega Venture Partners+5 more

Cerulioncerulion.comin𝕏

Cerulion provides a ROS2-compatible robot middleware that achieves microsecond-latency inter-process communication through zero-copy shared memory and deterministic execution.

Developer ToolsEnterprise SoftwareRoboticsSan Francisco, US

Lakshay Sharma(Founder/CEO)in

Co-investorsOlive Tree CapitalY Combinator

Circuit Securitycircuitsecurity.comin𝕏

Circuit builds infrastructure for institutional digital asset management that prevents permanent loss and enables recovery of assets in failure scenarios.

Crypto & Web3CybersecurityEnterprise SoftwareFintech

Harry(CEO and Founder)

Co-investorsNycaNyca Partners

Cision Visioncisionvision.com

Cision Vision develops shortwave infrared imaging technology for cancer diagnosis and surgical guidance in oncology.

AI & Machine LearningDigital HealthHealthtechMedical Devices

Dr. Li(CEO and Cofounder)Dr. Angela Belcher(Cofounder and Chief Scientific Advisor)Jeremy Li(CEO)in

Co-investorsThe E14 Fund

Civicatlascivicatlas.netin

Civic Atlas digitizes public government records such as plats, zoning files, and case histories, pairing AI processing with human verification to move them into cloud and GIS systems.

AI & Machine LearningGovTechPropTechDallas, US

Cogniscreencogniscreen.ai
Coppercopperhome.comin

Copper makes induction stoves with integrated battery energy storage that enable home electrification without major electrical upgrades.

CleantechClimate TechConsumerHardwareBerkeley, US

Sam Calisch(Founder & CEO)inEric Wilhelm(Founder)in

Co-investorsChrysalixClimacticCollaborative FundDesigner FundMMC VenturesNecessary Ventures+4 more

Crabi Roboticscrabi-robotics.comin

CRABI is an autonomous marine robotic system that cleans and inspects vessel hulls in-transit, removing biofouling to lower hull resistance and improve fuel efficiency.

CleantechClimate TechRobotics

Levi Gershon(Founder)in

Co-investorsXfund

CreativeModecreativemode.netin𝕏

CreativeMode is an AI-powered platform that enables players to create Minecraft mods without coding knowledge by describing their ideas.

AI & Machine LearningConsumerCreator EconomyGamingSan Francisco, US

Wilson Spearman(Founder & CEO)inColeman Smith(Founder)inJeffrey Tsaw(Founder)in

Co-investorsY CombinatorLombardstreet Ventures

Cryptoclearcryptoclear.aiin𝕏

CryptoClear provides crypto ecosystem ratings and portfolio analysis, inspecting blockchains and using big data and AI algorithms to detect unusual transaction patterns and assess risk.

AI & Machine LearningCrypto & Web3Fintech

DaVinci Wearablesdavinciwearables.comin𝕏

DaVinci Wearables makes smart wearable technology, including clip-on sensors and instrumented underwear, that tracks menstrual cycles, bloating, and physiological metrics to provide AI-driven health insights for female athletes and active individuals.

FemTechHardwareWellness & FitnessSunnyvale, US

Co-investorsElevate VenturesTechstarsApplied Research Institute

Diplo Aidiplo-ai.com

Daptic offers an AI-powered platform for regulatory and product compliance, helping global manufacturers build and sell compliant products by connecting compliance and engineering teams.

Advanced ManufacturingAI & Machine LearningSaaS

Co-investorsEntrepreneurs Roundtable Accelerator (ERA)REFASHIOND Ventures

Eggnogeggnog.aiin𝕏

Eggnog develops AI-powered mobile applications for creating animated videos, marketed toward users who want to turn personal memories and shared humor into visual content.

AI & Machine LearningConsumerSan Francisco, US

Sam Plank(Founder)in

Co-investorsY Combinator

Eigentxeigentx.comin𝕏

Eigen develops co-therapies that modulate cancer cell target expression to improve the effectiveness of targeted treatments such as antibody-drug conjugates and radioligand therapies.

AI & Machine LearningBiotechRoboticsRedwood City, US

Co-investorsZAKA VC

Encora Therapeuticsencoratherapeutics.comin𝕏

Encora Therapeutics makes the Encora X1, an FDA-cleared, prescription wrist-worn device that uses mechanical neurostimulation to relieve hand tremors in adults with essential tremor.

HardwareHealthtechMedical Devices

Daniel Carballo(Cofounder)inAllison Davanzo(Cofounder)Kyle Pina(Cofounder)in

Co-investorsGood Growth CapitalInnospark VenturesSafar Partners

Lightmatter®lightmatter.coin𝕏

Lightmatter builds photonic interconnect and compute technologies for AI infrastructure, enabling faster data transfer between processors in large AI clusters.

AI & Machine LearningData & InfrastructureHardwareSemiconductorsMountain View, US

Darius Bunandar(Executive Officer, Director)inNicholas C. Harris(Executive Officer, Director)inThomas Graham(Executive Officer)inNicholas Harris(Founder)inColin Sturt(Executive Officer)inSimona Jankowski(Executive Officer)

Co-investorsEastward Capital PartnersMatrixSIP Global PartnersSpark CapitalLockheed Martin Ventures

Ontologicontologic.ly
Polygencepolygence.orgin𝕏

Polygence is an online mentorship platform that pairs high school students with expert mentors for self-directed research projects across any academic discipline.

Deep TechEdTechQuantum Computing

Janos Perczel(CEO and Founder)inJin Chowin

Co-investorsFloodgateGobi PartnersReach CapitalNorthern Light Venture Capital

Tryparitytryparity.com

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has SBXi made?
SBXi has 44 tracked investments, including 2 dated in the last 24 months.
What stage does SBXi invest at?
SBXi invests at the Pre-Seed, Seed, Series A stages.
What is SBXi's typical check size?
SBXi typically writes checks of $10K – $1M.
What sectors does SBXi focus on?
SBXi focuses on Sector Agnostic.
Where is SBXi located?
SBXi is headquartered in Cambridge, US.
Does SBXi lead rounds?
SBXi typically participates in rounds rather than leading them.
Who does SBXi co-invest with?
SBXi most often shares deals with Y Combinator, Dorm Room, Good Growth Capital, among 71 tracked co-investors.

Images

SBXi photoSBXi photo

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