United States · 
Who invested in Harmonix Music Systems?
Harmonix Music Systems's investors include SOSV, Spark Capital, Foundry Group and Converge VC.
1996199920022005200820112014
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United States · Venture startup
Who invested in Harmonix Music Systems
Funding summaryUpdated 26 Oct 2026
$15Mraised across 5 rounds since 1996, from 5 sources
- Latest round
- Venture, $15MSept 2015
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture May 1996
- Biggest round
- $15M Venture · Sept 2015
- Usual gap between rounds
- 2.1 years the median of 3
The rounds
- Sept 2015Venture$15M3 new
From a historical funding recordSEC filing: $15M sold, first sale Aug 2015
- Aug 2015VentureAmount undisclosed
No investor was named in the report.
From a historical funding recordSEC filing: $15M sold, first sale Aug 2015
- Aug 2013
- Jan 1998
- May 1996
Founders and team
From Harmonix Music Systems's own website and the SEC filings it signed: 1 founder, 8 on the team.
Alex Christopher RigopulosCo-Founder And ChairmanNamed on its 2015 Form D
- Steve JaniakChief Executive Officer
- Chris RigopulosChief Operating Officer
- Devron WarnerVP Of Development
- Helen McwilliamsVP of Creative
- Andrew Christopher SungExecutive Officeri
- Michael Christopher VerretteExecutive Officeri
- P. Christopher RigopulosExecutive Officeri
- Walter Christopher SomolExecutive Officeri
On the board, as filediBrad Christopher FeldEran Christopher EgozyJason Christopher EpsteinNabeel Christopher HyattPaul Christopher Lipari
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Harmonix Music Systems
How much has Harmonix Music Systems raised?
Harmonix Music Systems has raised $15M across 5 rounds since 1996. 4 rounds did not disclose an amount, so the total is a floor.
When did Harmonix Music Systems last raise?
Harmonix Music Systems's most recent round was a Venture of $15M in Sept 2015.
What was Harmonix Music Systems's biggest round?
Its most recent round, $15M in Sept 2015, is also its largest on record.
Who backed Harmonix Music Systems first?
Harmonix Music Systems's first round on record, in May 1996, was backed by SOSV.
What stage is Harmonix Music Systems at?
Harmonix Music Systems's latest named round is a Venture, in Sept 2015.
Where is Harmonix Music Systems based?
Harmonix Music Systems is based in the United States.
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