United States · Growth startup
Funding summaryUpdated 26 Oct 2026
$435Mraised across 8 rounds since 2007, from 8 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
From a historical funding recordSEC filing: $59M sold, first sale Jul 2015
Venrock
ProQuest Investments
HOPU Investment Management Company
Yuanming CapitalFrom a historical funding record
Reported by finsmes.com
Reported by mevion.comSEC filing: $25M sold, first sale Jan 2012
No investor was named in the report.
Reported by sec.govSEC filing: $25M sold, first sale Jan 2012
From a historical funding record
From Mevion Medical Systems's own website and the SEC filings it signed: 7 on the team.
On the board, as filediCheng LuJay MoorinPaul VolckerPeter D'AngeloRobert WilsonStephen BuckleyXiaowei ChangXuan Li
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
VenrockProQuest InvestmentsCaxton Advantage Life Sciences FundHOPU Investment Management CompanyYuanming CapitalMissing a round, or an investor who was in one? Tell us.
Mevion Medical Systems's investors include CHL Medical Partners, Venrock, ProQuest Investments, Caxton Advantage Life Sciences Fund and HOPU Investment Management Company, and 1 more on record.
Mevion Medical Systems has raised $435M across 8 rounds since 2007.
Mevion Medical Systems's most recent round was a Growth of $59M in Aug 2015.
Mevion Medical Systems's largest round on record is $200M (Growth), in Aug 2014.
Mevion Medical Systems's first round on record, in Oct 2007, was backed by Venrock, CHL Medical Partners and Caxton Advantage Life Sciences Fund.
Mevion Medical Systems's latest named round is a Growth, in Aug 2015.
Mevion Medical Systems is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
