# Hillstar Bio funding: rounds and investors

> Hillstar Bio has raised $67M across 1 round since 2025. Investors include Droia Ventures, Novo Holdings and Novo Holdings A/S. Every round with its source.

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

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

# Who invested in *Hillstar Bio*

One round we have observed, with the 6 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

**$67M** raised across 1 round since 2025, from 3 sources

- **Latest round:** Series A, $67M Mar 2025
- **Led by:** Droia Ventures
- **Investors:** 6 (1 led)

See who backed them

## The rounds

- **Mar 2025** Series A **$67M** [Droia Ventures](https://millionrounds.com/fund/droia-ventures) Lead [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Novo Holdings A/S](https://millionrounds.com/fund/novo-holdings-a-s) [Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) [LifeArc Ventures](https://millionrounds.com/fund/lifearc-ventures) [Hummingbird Bioscience](https://millionrounds.com/fund/hummingbird-bioscience) Reported by Firms' own news pages and 2 others

## Founders and team

From Hillstar Bio's own website: 3 on the team.

- **Immune Cell Subset** Lead Optimization
- **Jean Manuel** Lab Manager and Sr Research Associate
- **Samantha Berrick** Office Manager

Advisers *Lauren Mifflin*

## Everyone who backed them

[Droia Ventures](https://millionrounds.com/fund/droia-ventures) VC firm **1** round, led 1

[Novo Holdings](https://millionrounds.com/fund/novo-ventures) VC firm **1** round

[Novo Holdings A/S](https://millionrounds.com/fund/novo-holdings-a-s) Growth equity **1** round

[Frazier Life Sciences](https://millionrounds.com/fund/frazier-life-sciences) VC firm **1** round

[LifeArc Ventures](https://millionrounds.com/fund/lifearc-ventures) VC firm **1** round

[Hummingbird Bioscience](https://millionrounds.com/fund/hummingbird-bioscience) VC firm **1** round

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

## Quick answers about Hillstar Bio

### Who invested in Hillstar Bio?

Hillstar Bio's investors include Droia Ventures, Novo Holdings, Novo Holdings A/S, Frazier Life Sciences and LifeArc Ventures, and 1 more on record. Droia Ventures led its latest round.

### How much has Hillstar Bio raised?

Hillstar Bio has raised $67M across 1 round since 2025.

### When did Hillstar Bio last raise?

Hillstar Bio's most recent round was a Series A of $67M in Mar 2025, led by Droia Ventures.

### What was Hillstar Bio's biggest round?

Its most recent round, $67M in Mar 2025, is also its largest on record.

### Who backed Hillstar Bio first?

Hillstar Bio's first round on record, in Mar 2025, was backed by Droia Ventures, Novo Holdings and Novo Holdings A/S and 3 others.

### What stage is Hillstar Bio at?

Hillstar Bio's latest named round is a Series A, in Mar 2025.

### Where is Hillstar Bio based?

Hillstar Bio is based in the United States.

### Who led Hillstar Bio's rounds?

Droia Ventures led the Series A in 2025.

## Companies like Hillstar Bio

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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