Who invested in Southampton Photonics?
Southampton Photonics's investors include InterWest Partners, Amadeus Capital Partners, Sevin Rosen Funds, Advent Venture Partners and Quantum Technology Partners.
Who invested in Southampton Photonics
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.
Funding summaryUpdated 26 Oct 2026
Undisclosedraised across 1 round since 2003, from 1 source
- Latest round
- Series BJul 2003
- Investors
- 5
The rounds
- Jul 2003Series BAmount undisclosed
InterWest Partners
Amadeus Capital Partners
Sevin Rosen Funds
Advent Venture Partners- Quantum Technology Partners
From a historical funding record
Everyone who backed them
Quantum Technology PartnersGrowth equity1round
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Quick answers about Southampton Photonics
How much has Southampton Photonics raised?
Southampton Photonics has raised 1 round since 2003, none with a disclosed amount.
When did Southampton Photonics last raise?
Southampton Photonics's most recent round was a Series B in Jul 2003.
Who backed Southampton Photonics first?
Southampton Photonics's first round on record, in Jul 2003, was backed by InterWest Partners, Amadeus Capital Partners and Sevin Rosen Funds and 2 others.
What stage is Southampton Photonics at?
Southampton Photonics's latest named round is a Series B, in Jul 2003.
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