M33 Growth
Growth equityBoston · Growth · 41 people tracked
Investment thesis
M33 Growth focuses on partnering with ambitious, bootstrapped entrepreneurs, providing both capital and resources to accelerate growth and turn already-strong businesses into market leaders. The firm deliberately maintains a concentrated portfolio so each company receives meaningful attention rather than being one of many, and it typically acts as the active lead investor. The firm emphasizes the value of choosing the right partner and invites founders to review its investment criteria to assess fit.
Source: firm website, verified Aug 11, 2026.
Team · 41 people
from the firm's website & public directoriesWhat they invest in
from 6 of 16 portfolio companiesAI & Machine Learning ×3Enterprise Software ×3SaaS ×3Cloud Computing ×2Cybersecurity ×2Cleantech ×1Climate Tech ×1Consumer ×1
HQs:United States×5
Investments · 16 tracked
founders shown can be your intro pathBy year:2021 · 12018 · 12 dated
Mass-market electric vehicle company
Palo Alto, US
James R Murdoch(Director)Brad W Buss(Director)Kimball Musk(Director)Ira Matthew Ehrenpreis(Director)Jerome M Guillen(Executive Officer)Deepak Ahuja(Executive Officer)
CLEAResult provides energy-efficiency and sustainability services to businesses and utilities, including distributed energy resource solutions, fleet electrification, strategic energy planning, and 80 PLUS power-supply certification.
CleantechClimate TechEnergy
CleverLayover is a flight search tool that finds cheaper itineraries by combining separate tickets from non-partnered airlines, including pairing low-cost carriers with major airlines, through self-connecting layovers.
ConsumerSaaSTravel & Hospitality
Datto provides cloud-based security and software solutions for Managed Service Providers (MSPs) serving small and medium businesses, including unified continuity, networking, endpoint management, and business management capabilities.
Cloud ComputingCybersecurityEnterprise SoftwareSaaSMiami, US
Illumio provides a breach containment platform powered by AI security graphs that enables Zero Trust security across hybrid, multi-cloud environments.
AI & Machine LearningCloud ComputingCybersecurityEnterprise SoftwareSunnyvale, US
Andrew Rubin(Co-founder)PJ Kirner(Co-founder)John W. Thompson(Director)Steve Herrod(Director)John M. Jack(Director)
BoardAlan Cohen(Executive Officer, Director)
OM1 develops AI-powered analytics and data infrastructure for healthcare organizations to measure patient outcomes, predict health trajectories, and accelerate medical research using real-world clinical data.
AI & Machine LearningData & InfrastructureHealthtechMedical DevicesBoston, US
Richard Gliklich, MD(Founder)Gary Gottlieb(Director)Larry Bohn(Director)David Barrett(Director)Richard E. Gliklich(Executive Officer, Director)
BoardRory O'Driscoll(Director)
Exits · 2
IPOs and acquisitions across the tracked portfolioTesla PublicNASDAQ: TSLADattoacq. by Kaseya
Portfolio news
latest coverage across their companiesDatto · hartfordbusiness.com · Jun 29, 2026
Frequently asked questions
- What stage does M33 Growth invest at?
- M33 Growth invests at the Growth stage.
- What sectors does M33 Growth focus on?
- M33 Growth focuses on AI & Machine Learning, Enterprise Software, Healthtech, SaaS, Sector Agnostic.
- Where is M33 Growth located?
- M33 Growth is headquartered in Boston, US.
- Does M33 Growth lead rounds?
- Yes, M33 Growth leads investment rounds.
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