United States · Growth startup

Who invested in CNEX LABS

5 rounds we have observed, with the 8 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.

ManufacturingSemiconductors

Funding summaryUpdated 26 Oct 2026

$78Mraised across 5 rounds since 2013, from 5 sources

$2.5MSeed$17MVenture$21MSeries A$23MSeries D$15MGrowth
Latest round
Growth, $15MMay 2022
Biggest round
$23MSeries D · Oct 2018
Investors
8
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.

2015201720192021
$2.5MSeed$17MVenture$21MSeries A$23MSeries D$15MGrowth
First round
Seed, $2.5M
Aug 2013
Biggest round
$23M
Series D · Oct 2018
Usual gap between rounds
3.6 years
the median of 3

The rounds

  1. May 2022
  2. Oct 2018
    Series D$23M4 new

    Reported by FinSMEs

  3. Jun 2014
    Series A$21M

    No investor was named in the report.

    From a historical funding recordSEC filing: $17M sold, first sale May 2014

  4. Jun 2014
    Venture$17M

    No investor was named in the report.

    From a historical funding recordSEC filing: $17M sold, first sale May 2014

  5. Aug 2013
    Seed$2.5M1 new

    From a historical funding record

Founders and team

From the SEC filings it signed: 2 on the team.

  • Alan ArmstrongExecutive Officer, Director, Promoteri
  • Mike SeifertExecutive Officeri

On the board, as filediBen YuBill MooreGregg AdkinLip-Bu TanMichael Raam

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.

Seed2013Venture2014Series A2014Series D2018Growth2022Sierra VenturesAlumni VenturesWalden InternationalCisco InvestmentsWalden Venture CapitalBrightstone Venture CapitalBen YuDell Technologies Capital/ M12

Everyone who backed them

Sierra VenturesVC firm2rounds
Alumni VenturesVC firm1round
Cisco InvestmentsCorporate VC1round
Ben YuAngel1round
Dell Technologies Capital/ M12no record of our own yet1round

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

Also claim to have backed them

This firm lists CNEX LABS as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

M12Corporate VCPer its own site

Quick answers about CNEX LABS

Who invested in CNEX LABS?

CNEX LABS's investors include Sierra Ventures, Alumni Ventures, Walden International, Cisco Investments and Walden Venture Capital, and 3 more on record.

How much has CNEX LABS raised?

CNEX LABS has raised $78M across 5 rounds since 2013.

When did CNEX LABS last raise?

CNEX LABS's most recent round was a Growth of $15M in May 2022.

What was CNEX LABS's biggest round?

CNEX LABS's largest round on record is $23M (Series D), in Oct 2018.

Who backed CNEX LABS first?

CNEX LABS's first round on record, in Aug 2013, was backed by Ben Yu.

What stage is CNEX LABS at?

CNEX LABS's latest named round is a Growth, in May 2022.

Where is CNEX LABS based?

CNEX LABS is based in the United States.

Companies like CNEX LABS

In the same sector, and raised in the last eighteen months.

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