Who invested in Quantenna Communications

13 rounds we have observed, with the 15 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Semiconductors

Funding summaryUpdated 26 Oct 2026

$270Mraised across 13 rounds since 2006, from 13 sources

$13MSeries B$14MSeries C$15MSeries D$1.7MSeries D$3.0MDebt$21MSeries E$25MSeries E$1.6MDebt$79MVenture$59MGrowth$16MVenture$22MVenture

Latest round: Venture, $22MDec 2014
Biggest round: $79MVenture · Apr 2012
Step-upi: 1.4×
Investors: 15

See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20062008201020122014

?Series A$13MSeries B$14MSeries C$15MSeries D$1.7MSeries D$25MSeries E$1.6MDebt$16MVenture$22MVenture

First round: Series A
Biggest round: $79M
Usual gap between rounds: 10 months

The rounds

Dec 2014
Venture$22M1 new5 returning
From a historical funding recordSEC filing: $16M sold, first sale Aug 2014
Sept 2014
Venture$16M
No investor was named in the report.
From a historical funding recordSEC filing: $16M sold, first sale Aug 2014
Apr 2012
Growth$59M1 new7 returning
Reported by sec.govSEC filing: $59M sold, first sale Apr 2012
Apr 2012
Venture$79M2 new6 returning
Reported by freshnews.comSEC filing: $59M sold, first sale Apr 2012
Oct 2011
Debt$1.6M
No investor was named in the report.
Reported by sec.govSEC filing: $1.6M sold, first sale Sept 2011
Oct 2011
Series E$25M1 new
- Telefónica Open Innovation
From a historical funding recordSEC filing: $1.6M sold, first sale Sept 2011
Sept 2010
Series E$21M2 new4 returning
Reported by venturebeat.comSEC filing: $21M sold, first sale Sept 2010
Aug 2010
Debt$3.0M
No investor was named in the report.
From a historical funding recordSEC filing: $3.0M sold, first sale Jul 2010
Apr 2010
Series D$1.7M
No investor was named in the report.
Reported by sec.govSEC filing: $17M sold, first sale Dec 2009
Feb 2010
Series D$15M2 new5 returning
Reported by venturebeat.comSEC filing: $4.5M sold, first sale Dec 2009
Apr 2009
Series C$14M1 new4 returning
Reported by marketwire.comSEC filing: $14M sold, first sale Apr 2009
Nov 2007
Series B$13M4 new
Reported by quantenna.com
May 2006
Series AAmount undisclosed1 new
- Amidzad Partners
From a historical funding record

Founders and team

From the SEC filings it signed: 1 on the team.

Sam HeidariExecutive Officer, Directori

On the board, as filediDmitry AkhanovEdwin B HooperFahri DinerHarold B HughesJohn ScullLip-Bu B TanMichael GoguenNicholas PianimSteven Goldberg

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.

Debt2010Series E2010Series E2011Debt2011Venture2012Growth2012Venture2014Venture2014

Sequoia Capital

Venrock

Sigma Partners

Southern Cross Venture Partners

Swisscom VenturesAmidzad Partners

Everyone who backed them

Sequoia CapitalVC firm7rounds

VenrockVC firm7rounds

Sigma PartnersVC firm7rounds

Southern Cross Venture PartnersVC firm5rounds

Grazia EquityVC firm5rounds

DAG VenturesVC firm4rounds

Bright CapitalInvestment firm2rounds

JSC RUSNANOGrowth equity2rounds

Swisscom VenturesCorporate VC1round

Amidzad PartnersVC firm1round

Telefónica Open InnovationCorporate VC1round

TPG Biotechnology PartnersGrowth equity1round

Centerview CapitalPrivate equity1round

RUSNANOVC firm1round

Telefonica VenturesGrowth equity1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Quantenna Communications

Who invested in Quantenna Communications?

Quantenna Communications's investors include Sequoia Capital, Venrock, Sigma Partners, Southern Cross Venture Partners and Grazia Equity, and 10 more on record.