United States · Venture startup

Who invested in Opnext

One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Funding summaryUpdated 26 Oct 2026

$321Mraised across 1 round since 2001, from 1 source

Latest round
Venture, $321MAug 2001
Investors
2
See who backed them

The rounds

  1. Aug 2001
    Venture$321M

    From a historical funding record

Everyone who backed them

MarubeniVC firm1round
Clarity PartnersPrivate equity1round

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Quick answers about Opnext

Who invested in Opnext?

Opnext's investors include Marubeni and Clarity Partners.

How much has Opnext raised?

Opnext has raised $321M across 1 round since 2001.

When did Opnext last raise?

Opnext's most recent round was a Venture of $321M in Aug 2001.

What was Opnext's biggest round?

Its most recent round, $321M in Aug 2001, is also its largest on record.

Who backed Opnext first?

Opnext's first round on record, in Aug 2001, was backed by Marubeni and Clarity Partners.

What stage is Opnext at?

Opnext's latest named round is a Venture, in Aug 2001.

Where is Opnext based?

Opnext is based in the United States.

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