Japan · 
Who invested in Spiber?
Spiber's investors include Cool Japan.
2015201620172018
$23MVenture$44MRound
Japan · Funded startup
Who invested in Spiber
Funding summaryUpdated 26 Oct 2026
$67Mraised across 2 rounds since 2014, from 2 sources
$23MVenture$44MRound
- Latest round
- Round, $44MDec 2018
- Step-upi
- 1.9×
- Investors
- 1
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $23M Oct 2014
- Biggest round
- $44M Round · Dec 2018
- Between rounds
- 4.1 years from the last two
The rounds
- Dec 2018
- Oct 2014Venture$23M
No investor was named in the report.
From a historical funding record
Also claim to have backed them
These 2 firms list Spiber as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Spiber
How much has Spiber raised?
Spiber has raised $67M across 2 rounds since 2014.
When did Spiber last raise?
Spiber's most recent round was an Undisclosed round of $44M in Dec 2018.
What was Spiber's biggest round?
Its most recent round, $44M in Dec 2018, is also its largest on record.
Who backed Spiber first?
Spiber's first round on record, in Dec 2018, was backed by Cool Japan.
What stage is Spiber at?
Spiber's latest named round is an Undisclosed round, in Dec 2018.
Where is Spiber based?
Spiber is based in Japan.
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