# HALO Diagnostics funding: rounds and investors

> HALO Diagnostics has raised $19M across 1 round since 2021. Investors include Raptor Group. Every round with its source.

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

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

# Who invested in *HALO Diagnostics*

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.

Biotech

Funding summary Updated 26 Oct 2026

**$19M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series B, $19M Mar 2021
- **Investors:** 1

See who backed them

## The rounds

- **Mar 2021** Series B **$19M** [Raptor Group](https://millionrounds.com/fund/raptor-group) Source recorded

## Everyone who backed them

[Raptor Group](https://millionrounds.com/fund/raptor-group) Private equity **1** round

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

## Quick answers about HALO Diagnostics

### Who invested in HALO Diagnostics?

HALO Diagnostics's investors include Raptor Group.

### How much has HALO Diagnostics raised?

HALO Diagnostics has raised $19M across 1 round since 2021.

### When did HALO Diagnostics last raise?

HALO Diagnostics's most recent round was a Series B of $19M in Mar 2021.

### What was HALO Diagnostics's biggest round?

Its most recent round, $19M in Mar 2021, is also its largest on record.

### Who backed HALO Diagnostics first?

HALO Diagnostics's first round on record, in Mar 2021, was backed by Raptor Group.

### What stage is HALO Diagnostics at?

HALO Diagnostics's latest named round is a Series B, in Mar 2021.

## Companies like HALO Diagnostics

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

[**Cloverleaf Bio** $33M · Sept 2026](https://millionrounds.com/company/cloverleaf-bio)[**Cheiron** $8.0M · Jul 2026](https://millionrounds.com/company/cheiron)[**Tavo Biotherapeutics** $17M · Jun 2026](https://millionrounds.com/company/tavo-biotherapeutics)[**Countable Labs** $26M · May 2026](https://millionrounds.com/company/countable-labs)[**Oricell Therapeutics** $180M · Apr 2026](https://millionrounds.com/company/oricell-therapeutics)[**Immunofoco** $29M · Mar 2026](https://millionrounds.com/company/immunofoco)

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