United States · Who invested in Sphera Optical Networks?
Sphera Optical Networks's investors include Mayfield Fund, Oak Investment Partners, Worldview Technology Partners, Pequot Capital and Soros Private Equity Partners.
United States · Venture startup
Who invested in Sphera Optical Networks
One round we have observed, with the 5 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.
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Funding summaryUpdated 27 Oct 2026
$70Mraised across 1 round since 2000, from 1 source
- Latest round
- Venture, $70MAug 2000
- Investors
- 5
The rounds
- Aug 2000Venture$70M
Mayfield Fund
Oak Investment Partners
Worldview Technology Partners- Pequot Capital
- Soros Private Equity Partners
From a historical funding record
The exit
ExitBuyerPriceWhen
AcquiredOnFiber CommunicationsundisclosedMar 2002
From historical deal records. Wrong? Tell us.
Everyone who backed them
Pequot CapitalGrowth equity1round
Soros Private Equity PartnersPrivate equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Sphera Optical Networks
How much has Sphera Optical Networks raised?
Sphera Optical Networks has raised $70M across 1 round since 2000.
When did Sphera Optical Networks last raise?
Sphera Optical Networks's most recent round was a Venture of $70M in Aug 2000.
What was Sphera Optical Networks's biggest round?
Its most recent round, $70M in Aug 2000, is also its largest on record.
Who backed Sphera Optical Networks first?
Sphera Optical Networks's first round on record, in Aug 2000, was backed by Mayfield Fund, Oak Investment Partners and Worldview Technology Partners and 2 others.
What stage is Sphera Optical Networks at?
Sphera Optical Networks's latest named round is a Venture, in Aug 2000.
Where is Sphera Optical Networks based?
Sphera Optical Networks is based in the United States.
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