# QST Corporation funding: rounds and investors

> QST Corporation has raised $49M across 1 round since 2020. Investors include Walden International. Every round with its source.

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

[Series B startup](https://millionrounds.com/companies)

# Who invested in *QST Corporation*

One round we have observed, with the one investor 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.

Hardware & Electronics

Funding summary Updated 26 Oct 2026

**$49M** raised across 1 round since 2020, from 1 source

- **Latest round:** Series B, $49M Apr 2020
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2020** Series B **$49M** [Walden International](https://millionrounds.com/fund/walden-international) Source recorded

## Everyone who backed them

[Walden International](https://millionrounds.com/fund/walden-international) VC firm **1** round

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

## Quick answers about QST Corporation

### Who invested in QST Corporation?

QST Corporation's investors include Walden International.

### How much has QST Corporation raised?

QST Corporation has raised $49M across 1 round since 2020.

### When did QST Corporation last raise?

QST Corporation's most recent round was a Series B of $49M in Apr 2020.

### What was QST Corporation's biggest round?

Its most recent round, $49M in Apr 2020, is also its largest on record.

### Who backed QST Corporation first?

QST Corporation's first round on record, in Apr 2020, was backed by Walden International.

### What stage is QST Corporation at?

QST Corporation's latest named round is a Series B, in Apr 2020.

## Companies like QST Corporation

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

[**Positron AI** $875M · Sept 2026](https://millionrounds.com/company/positron-ai)[**TYLsemi** $43M · Jul 2026](https://millionrounds.com/company/tylsemi)[**OXMIQ Labs** $35M · Jul 2026](https://millionrounds.com/company/oxmiq-labs)[**Laser Link** $73M · Mar 2026](https://millionrounds.com/company/laser-link)[**PaXini Tech** $145M · Mar 2026](https://millionrounds.com/company/paxini-tech)[**Home Essentials** $7.7M · Feb 2026](https://millionrounds.com/company/home-essentials)

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