Canada · 
Who invested in Biossil?
Biossil's investors include OpenAI Startup Fund, Founders Fund, Quiet Capital, Panache Ventures and Golden Ventures, and 3 more on record. OpenAI Startup Fund led its latest round.
Canada · Series B startup
Who invested in Biossil
Funding summaryUpdated 26 Oct 2026
$153Mraised across 1 round since 2026, from 1 source
- Latest round
- Series B, $153MSept 2026
- Led by
- OpenAI Startup Fund
- Investors
- 8 (1 led)
The rounds
- Sept 2026
Everyone who backed them
Duke University's endowment fundGrowth equity1round
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Quick answers about Biossil
How much has Biossil raised?
Biossil has raised $153M across 1 round since 2026.
When did Biossil last raise?
Biossil's most recent round was a Series B of $153M in Sept 2026, led by OpenAI Startup Fund.
What was Biossil's biggest round?
Its most recent round, $153M in Sept 2026, is also its largest on record.
Who backed Biossil first?
Biossil's first round on record, in Sept 2026, was backed by OpenAI Startup Fund, Founders Fund and Quiet Capital and 5 others.
What stage is Biossil at?
Biossil's latest named round is a Series B, in Sept 2026.
Where is Biossil based?
Biossil is based in Canada.
Who led Biossil's rounds?
OpenAI Startup Fund led the Series B in 2026.
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