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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
99
Total Invested
$305.4M
Average Investment
$4.6M

MassVentures's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
florrent2025Seed$9.5MAmherst
Cala Systems2025Venture - Series Unknown$4.8MBoston
Radical Plastics2025Venture - Series Unknown$1.0MBeverly
Metamagnetics2025Venture - Series Unknown$368KWestborough
MacroCycle2025Seed$6.5MCambridge
Labviva2025Series B$25.0MBoston
Pison2025Venture - Series Unknown$5.3MBoston
ZwitterCo2024Series B$58.4MWoburn
Feon2024Seed$6.1MWoburn
Kenmei2024Series A$4.3MPaterna

Complete List of MassVentures Portfolio Companies (99)

Export
#CompanyStageAmountLocation
1florrentSeed$9.5MAmherst, United States
2Cala SystemsVenture - Series Unknown$4.8MBoston, United States
3Radical PlasticsVenture - Series Unknown$1.0MBeverly, United States
4MetamagneticsVenture - Series Unknown$368KWestborough, United States
5MacroCycleSeed$6.5MCambridge, United States
6LabvivaSeries B$25.0MBoston, United States
7PisonVenture - Series Unknown$5.3MBoston, United States
8ZwitterCoSeries B$58.4MWoburn, United States
9FeonSeed$6.1MWoburn, United States
10KenmeiSeries A$4.3MPaterna, Spain
Electrical DistributionElectronicsEnergy Storage

florrent is a bio-based materials and energy storage company.

Amherst, United States
September 2025
$9.5M
Seed

Founder Contacts

19,000+ verified contacts

EnergyEnergy EfficiencyRenewable Energy

We design, manufacture, and sell the world's first intelligent heat pump water heater.

Boston, United States
June 2025
$4.8M
Venture - Series Unknown

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
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

ElectronicsManufacturingWireless

Metamagnetics develops RF and microwave products to enhance the performance of radar, communication, and power supply systems.

Westborough, United States
February 2025
$368K
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Plastics and Rubber ManufacturingRecycling

Circular Plastics. Zero Carbon Emissions.

Cambridge, United States
February 2025
$6.5M
Seed

Founder Contacts

19,000+ verified contacts

Health CareLife ScienceMarketplaceProcurementSupply Chain Management

Labviva is a life sciences purchasing and inventory platform that enhances transparency in supply chain and procurement processes.

Boston, United States
January 2025
$25.0M
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Health DiagnosticsSoftware

Pison is an AI-powered neural sensors for optimizing cognitive and physiological capability through gesture control.

Boston, United States
January 2025
$5.3M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

RecyclingSustainabilityWaste ManagementWaterWater Purification

ZwitterCo provides membrane solutions for the treatment of highly-impaired wastewater.

Woburn, United States
July 2024
$58.4M
Series B

Founder Contacts

19,000+ verified contacts

BatteryClean EnergyCleanTechRenewable Energy

Feon develops new-molecule-based liquid electrolytes for lithium-ion and lithium-metal batteries.

Woburn, United States
June 2024
$6.1M
Seed

Founder Contacts

19,000+ verified contacts

Industrial AutomationSoftware

Kenmei is a network intelligence and Automation Company.

Paterna, Spain
June 2024
$4.3M
Series A

Founder Contacts

19,000+ verified contacts

Industrial AutomationInformation TechnologyRobotics

Realtime Robotics develops a platform for robots to function seamlessly across deployments with minimal programming.

Boston, United States
May 2024
$21.2M
Series B

Founder Contacts

19,000+ verified contacts

ManufacturingRenewable EnergySolar

Active Surfaces offers ultra-thin-film solar technology that can be applied to any surface.

Salem, United States
May 2024
$5.6M
Pre-Seed

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Asset ManagementCivil EngineeringGovTech

Cyvl develops an infrastructure technology platform that enables civil engineers and governments to manage physical infrastructure assets.

Somerville, United States
March 2024
$6.0M
Seed

Founder Contacts

19,000+ verified contacts

Data VisualizationGovTechSaaSSoftware

ClearGov provides local governments cloud-based Budget Cycle Management software for efficient budgeting and transparent civic engagement.

Maynard, United States
March 2024
$4.0M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Information TechnologyWaterWater Purification

Aclarity is a VC-backed cleantech startup developing and selling water treatment systems to clean the world's water and wastewater.

Hadley, United States
November 2023
$15.9M
Series A

Founder Contacts

19,000+ verified contacts

ElectronicsManufacturingMechanical EngineeringProduct DesignSemiconductor

JETCOOL Technologies is a hardware startup that develops compact cooling solutions for high-power electronics.

Littleton, United States
October 2023
$17.0M
Series A

Founder Contacts

19,000+ verified contacts

IndustrialIndustrial EngineeringManufacturing

Alloy Enterprises operates as industry disruptors looking to tackle inefficiencies in conventional manufacturing.

Somerville, United States
May 2023
$26.0M
Series A

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
Venture - Series Unknown

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

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

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

Showing 1-25 of 99 portfolio companies

Frequently Asked Questions About MassVentures

How many companies has MassVentures invested in?

MassVentures has invested in 99 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 Manufacturing, Health Care, Renewable Energy, Electronics, Software. The firm invests across 51 different industry categories.

What is MassVentures's largest investment?

Among tracked funding rounds, ZwitterCo received $58.4M in a Series B 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 99 companies.

What are MassVentures's most recent investments?

Recent MassVentures portfolio additions include florrent, Cala Systems, Radical Plastics, Metamagnetics, MacroCycle. These companies were founded in 2020 or later.

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