Skip to main content
Back to Investors

MassVentures Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

MassVentures Investment Overview

Portfolio Companies
134
Total Invested
$305.4M
Average Investment
$4.6M

MassVentures's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Talking Heads Wireless2025UndisclosedUndisclosedSomerville
PlenOptika2023SeedUndisclosedAllston
Upstream Tech2023Private EquityUndisclosedAlameda
Myrias Optics2026Seed$2.1MAmherst
SYSO Technologies2026Series Unknown$7.0MCambridge
Rendever2025Grant$4.5MSomerville
Veramorph2025GrantUndisclosedMansfield
Stitch3D2025Seed$3.7MBoston
ClearCut Surgical2025Seed$4.5MBoston
Gel4Med2025GrantUndisclosedAllston

Complete List of MassVentures Portfolio Companies (134)

Export
#CompanyStageAmountLocation
51Talking Heads WirelessUndisclosedUndisclosedSomerville, United States
52PlenOptikaSeedUndisclosedAllston, United States
53Upstream TechPrivate EquityUndisclosedAlameda, United States
54Myrias OpticsSeed$2.1MAmherst, United States
55SYSO TechnologiesSeries Unknown$7.0MCambridge, United States
56RendeverGrant$4.5MSomerville, United States
57VeramorphGrantUndisclosedMansfield, United States
58Stitch3DSeed$3.7MBoston, United States
59ClearCut SurgicalSeed$4.5MBoston, United States
60Gel4MedGrantUndisclosedAllston, United States
IT InfrastructureNetwork HardwareTelecommunications

Talking Heads Wireless is a telecommunication company that helps in energy savings for cellular networks.

Somerville, United States
November 2025
Undisclosed

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareHealth Diagnostics

PlenOptika's mission is to make eye care easy for anyone who needs it.

Allston, United States
January 2023
Seed

Founder Contacts

19,000+ verified contacts

Computer

Upstream Tech conserving freshwater by powering informed water market transactions.

Alameda, United States
October 2023
Private Equity

Founder Contacts

19,000+ verified contacts

Manufacturing

Myrias Optics provides a full range of services leading ​to full scale manufacturing at low costs

Amherst, United States
February 2026
$2.1M
Seed

Founder Contacts

19,000+ verified contacts

EnergyEnvironmental ConsultingRenewable Energy

SYSO Technologies provides end-to-end renewable energy and storage management technology and services.

Cambridge, United States
January 2026
$7.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

FitnessHealth CareVirtual RealityWellness

Rendever is a research-based virtual reality platform that provides cognitive stimulation, socialization, and therapy for older adults.

Somerville, United States
November 2025
$4.5M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalPharmaceutical

VeraMorph is a pharmaceutical company that is developing an oral dosage technology based on polymers.

Mansfield, United States
October 2025
Grant

Founder Contacts

19,000+ verified contacts

Information Technology

Stitch3D is a cloud platform for hosting, viewing, analyzing, and sharing 3D files.

Boston, United States
September 2025
$3.7M
Seed

Founder Contacts

19,000+ verified contacts

Health CareMedicalMedical Device

ClearCut Surgical is a medical device company that offers electrocautery surgical tool with on-demand fluid suction.

Boston, United States
August 2025
$4.5M
Seed

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedical Device

Gel4Med is the Smart Materials Company paving the way to the future of regenerative medicine.

Allston, United States
July 2025
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedical

PathMaker Neurosystems is a neurotechnology company that develops treatment for neuromotor disorders.

Boston, United States
June 2025
Grant

Founder Contacts

19,000+ verified contacts

RecyclingWaterWater Purification

At Harmony Desalting our mission and promise is to secure water, always for people all around the world.

Boston, United States
June 2025
Non Equity Assistance

Founder Contacts

19,000+ verified contacts

BabyManufacturingMedical Device

Mother's Milk is Best is a manufacturer of milk concentration devices for preterm babies.

Boston, United States
June 2025
$250K
Undisclosed

Founder Contacts

19,000+ verified contacts

Plastics and Rubber ManufacturingPollution Control

Radical Plastics is a radical solution to plastic pollution.

Beverly, United States
May 2025
$1.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

AerospaceArtificial Intelligence (AI)DronesLogisticsMilitarySoftware

Enigma Aerospace focuses on developing autonomous aerial logistics technologies targeted at defense and B2B markets.

Boston, United States
May 2025
$1.3M
Grant

Founder Contacts

19,000+ verified contacts

Travel

Transcend Air is a developer and designer of aircraft used to give people a private air travel experience.

Carlisle, United States
May 2025
$200K
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedical

Eascra Biotech develops DNA nanostructures to create stable nanomaterials for biomedical applications.

Boston, United States
May 2025
$100K
Grant

Founder Contacts

19,000+ verified contacts

Biotechnology

Versatope is an immuno-therapeutic company that uses a biotechnology platform to delivery immunity.

Lowell, United States
May 2025
$200K
Grant

Founder Contacts

19,000+ verified contacts

Clean EnergyManufacturingSemiconductor

Optigon offers materials scientists and manufacturers solutions to help speed the development and deployment of clean energy materials.

Somerville, United States
May 2025
$100K
Grant

Founder Contacts

19,000+ verified contacts

CleanTechEnergyFuel

Emvolon is a technology company that converts wasted resources into low-cost green fuels

Boston, United States
May 2025
$200K
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyMedical Device

Micro-Leads Medical is a medical technology company dedicated to developing innovative therapies that address the neuromodulation.

Somerville, United States
May 2025
$100K
Grant

Founder Contacts

19,000+ verified contacts

Biotechnology

PhagePro is an early-stage biotechnology therapeutics company.

Boston, United States
May 2025
$200K
Grant

Founder Contacts

19,000+ verified contacts

Health CareMedicalMedical Device

Gencores provides a platform that reduces the risk of concussion with customizable, smart, shock-absorbing helmet inserts.

Boston, United States
May 2025
$100K
Grant

Founder Contacts

19,000+ verified contacts

Advanced MaterialsArtificial Intelligence (AI)CleanTechMachine LearningPackaging Services

Atacama Biomaterials is an AI driven biotech company that offers compostable and biodegradable plastic alternatives.

Cambridge, United States
May 2025
$2.5M
Seed

Founder Contacts

19,000+ verified contacts

Application Specific Integrated Circuit (ASIC)Artificial Intelligence (AI)Field-Programmable Gate Array (FPGA)

Running AI with Only A Bit Energy

Boston, United States
March 2025
$75K
Grant

Founder Contacts

19,000+ verified contacts

Showing 51-75 of 134 portfolio companies

Frequently Asked Questions About MassVentures

How many companies has MassVentures invested in?

MassVentures has invested in 134 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does MassVentures invest in?

MassVentures's top investment sectors include Biotechnology, Health Care, Medical, Medical Device, Manufacturing. The firm invests across 41 different industry categories.

What is MassVentures's largest investment?

Among tracked funding rounds, SYSO Technologies received $7.0M in a Series Unknown round. MassVentures's total known invested capital is $305.4M.

What is the average investment size for MassVentures?

MassVentures's average investment size is $4.6M across its portfolio of 134 companies.

What are MassVentures's most recent investments?

Recent MassVentures portfolio additions include Talking Heads Wireless, PlenOptika, Upstream Tech, Myrias Optics, SYSO Technologies. These companies were founded in 2020 or later.

Explore Other Top Investors

Discover portfolio companies of other leading venture capital firms and investors.

View All Investors