/Investor DB

M33 Growth

Growth equityoperating company · company profile

Boston · Growth · 41 people tracked

Also known as M33

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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 Sep 29, 2026.

Stage
Growth
HQ
Boston, Massachusetts, US
Leads rounds
Leads
Instruments
Equity
Founded
2017
AUM
$440M
VC funds
4
Tracked investments
19
Unicorns
1
IPOs
1
Acquisitions
2

Team · 41 people

from the firm's website & public directories
Bill Dedrickin

Listed as an M33 Advisor.

Brian Sinclairin

Listed as an M33 Advisor.

David Freesein

Listed as an M33 Advisor.

John Sandersin

Listed as an M33 Advisor.

Nitin Jainin

Listed as an M33 Advisor.

Andy Timko· Vice Presidentin

Listed as an M33 Advisor.

Nate Ellis· Vice President

7 people who came through M33 Growth went on to found or lead other companies.

What they invest in

from 14 of 19 portfolio companies

SaaS ×8Enterprise Software ×7AI & Machine Learning ×5Healthtech ×3Cleantech ×2Climate Tech ×2Cloud Computing ×2Consumer ×2

HQs:United States×8Australia×1Germany×1Ireland×1

Who they back

founder profiles across 8 portfolio companies
38%
solo founders
3 of 8 mapped founding teams
80%
repeat founders
of 10 founders with career history

Founding team size:solo founder×32 founders×33 founders×14+ founders×1

Where their founders worked beforefrom 10 founders with career history

Cymtec Systems ×2General Catalyst ×2Google ×2Locu, Inc. ×2Mayfield Fund ×2

Investments · 19 tracked

founders shown can be your intro path

By year:2025 · 12024 · 22021 · 12018 · 12014 · 16 dated

Teslatesla.cominNASDAQ: TSLANov 2018

Tesla designs and manufactures electric vehicles, battery storage and solar products, and develops autonomous driving software.

Palo Alto, US

Elon Musk(Founder)inJeffrey B Straubel(Co-founder; CTO until 2019, Director since 2023)Martin Eberhard(Founder)inMarc Tarpenning(Founder)inJerome M Guillen(Executive Officer)inDeepak Ahuja(Executive Officer)

Co-investorsCapital Q® Ventures Inc.DBL PartnersDraper AssociatesFuture VenturesInfinite CapitalKluz Ventures+16 more

PerformLine.comperformline.comin𝕏✓ verified

PerformLine provides compliance monitoring and AI-driven solutions for marketers across multiple channels, including web, email, social media, messaging, call recordings, and document review.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaS

Alex Baydin(Founder)in

Co-investorsFirst Round CapitalSaaS Capital

SwiftComplyswiftcomply.ioin𝕏Jan 2025✓ verified

SwiftComply provides compliance software that automates administrative workflows and data management for water utilities to help them enforce environmental regulations.

CleantechClimate TechFintechGovTechSaaSDublin, IE

Mick O'DwyerinMichael O'Dwyer(Founder)

Co-investorsArts AllianceBURNT ISLAND VENTURESHOWZAT PartnersPrefix CapitalTechstars

B12b12.ioin𝕏

B12 offers an AI-powered website builder that generates a complete first draft of a website, online store, portfolio, blog, or web app from a text prompt, which users can then refine via an AI agent or visual editor.

AI & Machine LearningMarketing TechSaaS

Nitesh Banta(Founder)inAdam Marcus(Founder)in

Co-investorsFrancisco PartnersLightbankLux CapitalSuffolk Equity PartnersBrand Capital InternationalFounder Collective+6 more

Brighterbrighter.com

Brighter operates the online provider directories for Cigna, giving healthcare providers (notably dental practices) a profile with photos, amenities, and verified patient reviews.

Digital HealthHealthtechMarketplaces

Jake Winebaum(Founder)in

Co-investorsDag VenturesGeneral Catalyst

Clearesultclearesult.comin

CLEAResult delivers energy efficiency and conservation services to utilities, governments, and businesses across North America, helping clients achieve energy reduction and demand-side management goals.

CleantechClimate TechEnergyEnterprise SoftwareSaaSAustin, US

Rich McBee(President and CEO)inMatthew Childress(Chief Technology and Product Officer)in

Co-investorsGeneral Atlantic

ClearMetalproject44.comin𝕏Acquired

project44 is a supply chain software company serving logistics and supply chain operations teams to improve visibility and efficiency across supply networks.

AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSaaSChicago, US

Jett McCandless(Founder)in

Co-investors8VCBtomorrow VenturesChicago VenturesCorsa VenturesCota CapitalEmergence Capital Partners+17 more

Cleverlayovercleverlayover.com𝕏

Cleverlayover helps travelers find cheaper flights by optimizing routes through layover cities, allowing them to visit additional destinations while saving money on airfare.

ConsumerSaaSTravel & Hospitality

PhilJohn

Dattodatto.comin𝕏Dec 2014acquired by Kaseya

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

Austin McChord(Founder)inMichael Fass(Executive Officer)in

BoardStephen Herrod(Director)Holt McChord(Director)Paul Sagan(Director)Ian McChord(Director)

Co-investorsGeneral CatalystGolub GrowthVista Equity PartnersBenchstrength PartnersConnecticut Innovationsfuturepresent+8 more

Illumioillumio.comin𝕏

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(Founder)inPJ Kirner(Founder)in

BoardSteve Herrod(Director)Alan Cohen(Executive Officer, Director)inJoe Lonsdale(Director)inJohn M. Jack(Director)in

Co-investors8VCAbbhi CapitalAccelAliya Capital PartnersAndreessen HorowitzBlue Owl Capital+13 more

M33 Growthm33growth.orgin

M33 Growth positions itself as a growth acceleration specialist that assists business builders in assembling and aligning teams aligned with founder values.

Enterprise SoftwareFuture of Work

Mandukamanduka.comin

Manduka designs and sells yoga equipment including mats and accessories, with a focus on product quality and environmental responsibility.

ConsumerDirect to ConsumerSports TechWellness & Fitness

Peter Sterios(Founder)in

Co-investorsBuilders FundValor Equity Partners

Oceans Healthcareoceanshealthcare.comin

Oceans Healthcare operates behavioral health hospitals and programs for patients of all ages, with a centralized support model based in Texas.

Digital HealthHealthtechMental HealthPlano, US

Stuart Archer(CEO)

Co-investorsHLM Investment PartnersValspring Capital

OM1om1.cominJul 2021

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)Richard E. Gliklich(Executive Officer, Director)Richard Gliklich(Founder)

BoardRory O'Driscoll(Director)inLarry Bohn(Director)David Barrett(Director)

Co-investors7wire VenturesBreyer CapitalCorewell Health VenturesGeneral CatalystScale Venture PartnersPolaris Partners

Ottootto-js.comSeed · Aug 2024 · $6M

Otto develops fraud detection and revenue management software for the broadcasting and digital media sectors.

Memphis, US

Josh Summitt(Founder)in

Co-investorsGlasswing VenturesLas Olas Venture CapitalTech Square VenturesPravega Ventures

Total Synergytotalsynergy.comin𝕏Nov 2024

Total Synergy provides project management and resource allocation software designed for architecture and engineering firms to manage team availability, assign staff to tasks, and track project finances.

Construction TechEnterprise SoftwareSaaSNot stated, AU

Co-investorsPerennial Partners

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

AxiumDatalogixOgsystems

Exits · 3

1 IPOs · 2 acquisitions · showing 2

TeslaNASDAQ: TSLADattoacq. by Kaseya

Portfolio news

latest coverage across their companies

Public market activity · per SEC filings

what is this? ⓘ
Oncology Institute, Inc.SC 13D/A

Disclosed stake · filed Sep 2022

view filing ↗
SC 13D filingSC 13D

Disclosed stake · filed Nov 2021

view filing ↗

6 insider ownership filings (Forms 3/4/5)

at Oncology Institute, Inc. (TOI)

From the firm's own SEC EDGAR filings — stakes and insider roles in public companies, typically portfolio companies after an IPO. Not a portfolio list published by the firm.

Frequently asked questions

How many investments has M33 Growth made?
M33 Growth has 19 tracked investments, 3 of which have exited, including 2 dated in the last 24 months.
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.
Who does M33 Growth co-invest with?
M33 Growth most often shares deals with General Catalyst, 8VC, Breyer Capital, among 68 tracked co-investors.

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