Mevion Medical Systems

Private

MassachusettsHealthcare & Life Scienceshttps://mevion.com/

Last Round

Growth Equity

Jun 14, 2018

Total Funding Raised

$517.7M

Company Overview

Mevion Medical Systems is a medical equipment company that provides compact proton therapy systems for use in radiation treatment for cancer patients.

Sector

Healthcare & Life Sciences

Verticals

Medical Devices, Precision Medicine

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

proton therapy systemcompact proton therapyproton therapysingle-room proton therapyradiation oncologyMedTechpencil beam scanningsuperconducting synchrocyclotroncancer treatmentradiotherapy equipmentmedical capital equipmentparticle therapyRadOnc equipmentproton multi-leaf collimatorLINAC vaultequipment financing

Historical Pricing

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Caplight Momentum Score

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Mevion Medical Systems Comps

Public and private peers based on sector, stage, and business model.

Company	Status	Est. Valuation	Rev Multiple
OpenAI	Private	$86.0B	~40x
Cohere	Private	$5.0B	--
Competitor 1	Public	$XX.XB	XXx
Competitor 2	Public	$XX.XB	XXx

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Mevion Medical Systems Funding Rounds

Historical fundraising activity

Round	Date	Amount Raised	Valuation	Investors	Sources
Growth Equity	Jun 14, 2018
Private Equity	Aug 4, 2015
Convertible Debt	Aug 1, 2014
VC Round	Jun 25, 2013
Series D	Jan 24, 2012
Series C	Mar 1, 2011

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Key People

Founding team and executive leadership

Curt Kienast

Chief Operating Officer

Executive Team

Mevion Medical Systems Investors

Notable investors and investment history

Investor	Rounds
CAM Capital	Private Equity
HOPU Fund	Growth Equity, Private Equity
Valence Life Sciences	Series D
Yuan Ming Capital	Private Equity, Growth Equity
Caxton Associates	Convertible Debt
Venrock	Private Equity, Series D, Series B, Series A, Convertible Debt, VC Round, Series C
China Everbright Limited	Growth Equity

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Market signals

Structured signals derived from secondary market and firmographic data.

Nov 11, 2025
Monthly visitors grew 69% MoM, reaching 8.6K.
Jun 14, 2018
$150M round led by Yuan Ming Capital

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Mevion Medical Systems Filings

SEC and related filings with document metadata.

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Mevion Medical Systems Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersMassachusetts

Employee Range236

Year Founded2004

Last FundingJun 14, 2018

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