# Ultra.tech funding: rounds and investors

> Ultra.tech has raised $58M across 2 rounds since 2024. Investors include Y Combinator, Pioneer Fund and NextView Ventures. Every round with its source.

Source: https://millionrounds.com/company/ultra-tech (Millionrounds; every figure on the page links to its filing or article)

United States · [Venture startup](https://millionrounds.com/companies)

# 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.

IT Services

Raised 3 months ago

Funding summary Updated 26 Oct 2026

**$58M** raised across 2 rounds since 2024, from 2 sources

**$500K** Pre-seed **$57M** Venture

- **Latest round:** Venture, $57M Aug 2026
- **Step-up i:** 114.2×
- **Investors:** 4

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025 2026

**$500K** Pre-seed

**$57M** Venture

- **First round:** Pre-seed, $500K
- **Biggest round:** $57M
- **Between rounds:** 23 months

## The rounds

- **Aug 2026** Venture **$57M** *1 new* *3 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Rebel Fund](https://millionrounds.com/fund/rebel-fund) [NextView Ventures](https://millionrounds.com/fund/nextview-ventures) Source recorded
- **Sept 2024** Pre-seed **$500K** *3 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [NextView Ventures](https://millionrounds.com/fund/nextview-ventures) Source recorded

## 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.

**Pre-seed** 2024 **Venture** 2026 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [NextView Ventures](https://millionrounds.com/fund/nextview-ventures) [Rebel Fund](https://millionrounds.com/fund/rebel-fund)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **2** rounds

[NextView Ventures](https://millionrounds.com/fund/nextview-ventures) VC firm **2** rounds

[Rebel Fund](https://millionrounds.com/fund/rebel-fund) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ultra-tech).

## Quick answers about Ultra.tech

### Who invested in Ultra.tech?

Ultra.tech's investors include Y Combinator, Pioneer Fund, NextView Ventures and Rebel Fund.

### 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.

## Companies like Ultra.tech

In the same sector, and raised in the last eighteen months.

[**Chariot Claims** $23M · Oct 2026](https://millionrounds.com/company/chariot-claims)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**FlexCompute** $53M · Oct 2026](https://millionrounds.com/company/flexcompute)[**Negosh** $3.1M · Oct 2026](https://millionrounds.com/company/negosh)[**StarLifter** $4.0M · Oct 2026](https://millionrounds.com/company/starlifter)[**Litewave.AI** $1.7M · Oct 2026](https://millionrounds.com/company/litewave-ai)

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