# TAU Systems funding: rounds and investors

> TAU Systems has raised $20M across 1 round since 2025. Investors include Alumni Ventures and Quantonation. Every round with its source.

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

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

# Who invested in *TAU Systems*

One round we have observed, with the 2 investors 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.

Biotech

Funding summary Updated 26 Oct 2026

**$20M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $20M Apr 2025
- **Investors:** 2

See who backed them

## The rounds

- **Apr 2025** Seed **$20M** [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Quantonation](https://millionrounds.com/fund/quantonation) Source recorded SEC filing: $12M sold, first sale Mar 2025

## Everyone who backed them

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[Quantonation](https://millionrounds.com/fund/quantonation) VC firm **1** round

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

## Also claim to have backed them

This firm lists TAU Systems as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Global Venture Bridge](https://millionrounds.com/fund/global-venture-bridge) VC firm Per its own site

## Quick answers about TAU Systems

### Who invested in TAU Systems?

TAU Systems's investors include Alumni Ventures and Quantonation.

### How much has TAU Systems raised?

TAU Systems has raised $20M across 1 round since 2025.

### When did TAU Systems last raise?

TAU Systems's most recent round was a Seed of $20M in Apr 2025.

### What was TAU Systems's biggest round?

Its most recent round, $20M in Apr 2025, is also its largest on record.

### Who backed TAU Systems first?

TAU Systems's first round on record, in Apr 2025, was backed by Alumni Ventures and Quantonation.

### What stage is TAU Systems at?

TAU Systems's latest named round is a Seed, in Apr 2025.

### Where is TAU Systems based?

TAU Systems is based in the United States.

## Companies like TAU Systems

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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