United States · 
Who invested in Ultra.tech?
Ultra.tech's investors include Y Combinator, Pioneer Fund, NextView Ventures and Rebel Fund.
20252026
$500KPre-seed$57MVentureUnited States · Venture startup
Who invested in Ultra.tech
2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 3 months ago
Funding summaryUpdated 26 Oct 2026
$58Mraised across 2 rounds since 2024, from 2 sources
$500KPre-seed$57MVenture
- Latest round
- Venture, $57MAug 2026
- Step-upi
- 114.2×
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Pre-seed, $500K Sept 2024
- Biggest round
- $57M Venture · Aug 2026
- Between rounds
- 23 months from the last two
The rounds
- Aug 2026
- Sept 2024
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Ultra.tech
How much has Ultra.tech raised?
Ultra.tech has raised $58M across 2 rounds since 2024.
When did Ultra.tech last raise?
Ultra.tech's most recent round was a Venture of $57M in Aug 2026.
What was Ultra.tech's biggest round?
Its most recent round, $57M in Aug 2026, is also its largest on record.
Who backed Ultra.tech first?
Ultra.tech's first round on record, in Sept 2024, was backed by Y Combinator, Pioneer Fund and NextView Ventures.
What stage is Ultra.tech at?
Ultra.tech's latest named round is a Venture, in Aug 2026.
Where is Ultra.tech based?
Ultra.tech is based in the United States.
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