Skip to main content
Caplight Logo









Mevion Medical Systems

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, Medical Imaging, 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

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Mevion Medical Systems Comparables

Compare Mevion Medical Systems with similar companies based on industry and business-model similarity.

Mevion Medical Systems comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
ProTom International
88%
P-Cure Ltd
84%
Ion Beam Applications
82%

Mevion Medical Systems Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Growth EquityJun 14, 2018
Private EquityAug 4, 2015
Convertible DebtAug 1, 2014
VC RoundJun 25, 2013
Series DJan 24, 2012
Series C
Mar 1, 2011

Key People

Founding team and executive leadership

Curt Kienast

Chief Operating Officer

Executive Team

Mevion Medical Systems Investors

Notable investors and investment history

Mevion Medical Systems investors
InvestorRounds
CAM CapitalPrivate Equity
HOPU FundGrowth Equity, Private Equity
Valence Life SciencesSeries D
Yuan Ming CapitalPrivate Equity, Growth Equity
Caxton AssociatesConvertible Debt
VenrockConvertible Debt, Private Equity, Series D, Series B, Series A, VC Round, Series C
China Everbright LimitedGrowth Equity

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

Mevion Medical Systems Filings

Explore SEC and related filing metadata, where available.

Mevion Medical Systems filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Mevion Medical Systems's valuation, stock price, and market status.

Is Mevion Medical Systems a public or private company?

Mevion Medical Systems is a private company.

What is the current stock price of Mevion Medical Systems?

Mevion Medical Systems is a private company with no public stock price. No recent secondary market data is available.

How much is Mevion Medical Systems worth (valuation)?

Valuation information for Mevion Medical Systems is not publicly available.

Can I buy Mevion Medical Systems stock?

Mevion Medical Systems shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Mevion Medical Systems's last funding round?

Mevion Medical Systems's most recent funding round was Growth Equity on June 14, 2018.

Who are the main investors in Mevion Medical Systems?

Key investors in Mevion Medical Systems include HOPU Fund, Yuan Ming Capital, ProQuest Investments.

Will Mevion Medical Systems IPO soon?

No public IPO plans have been announced for Mevion Medical Systems.

How can I track Mevion Medical Systems secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Mevion Medical Systems's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersMassachusetts
Employee Range164
Year Founded2004
Last FundingJun 14, 2018

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?