# PhaseBio funding: rounds and investors

> PhaseBio has raised $50M across 2 rounds since 2017. Investors include New Enterprise Associates, Hatteras Venture Partners and AstraZeneca.

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

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

# Who invested in *PhaseBio*

2 rounds we have observed, with the 11 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.

Biotech Healthcare

Funding summary Updated 26 Oct 2026

**$50M** raised across 2 rounds since 2017, from 2 sources

**$16M** Round **$34M** Series D

- **Latest round:** Series D, $34M Sept 2018
- **Step-up i:** 2.2×
- **Investors:** 11

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.

2018

**$16M** Round

**$34M** Series D

- **First round:** Round, $16M
- **Biggest round:** $34M
- **Between rounds:** 9 months

## The rounds

- **Sept 2018** Series D **$34M** *4 new* *5 returning* [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) [Mountain Group Partners](https://millionrounds.com/fund/mountain-group-partners) [AstraZeneca](https://millionrounds.com/fund/astrazeneca) [JJDC](https://millionrounds.com/fund/jjdc) [Syno Capital](https://millionrounds.com/fund/syno-capital) [Fletcher Spaght](https://millionrounds.com/fund/fletcher-spaght) Cormorant Asset Rock Springs Reported by FinSMEs
- **Nov 2017** Round **$16M** *7 new* [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [SVB Capital](https://millionrounds.com/fund/svb-capital) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) [AstraZeneca](https://millionrounds.com/fund/astrazeneca) [Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) [Syno Capital](https://millionrounds.com/fund/syno-capital) [Fletcher Spaght](https://millionrounds.com/fund/fletcher-spaght) Reported by FinSMEs

## 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.

**Round** 2017 **Series D** 2018 [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) [AstraZeneca](https://millionrounds.com/fund/astrazeneca) [Syno Capital](https://millionrounds.com/fund/syno-capital) [Fletcher Spaght](https://millionrounds.com/fund/fletcher-spaght) [SVB Capital](https://millionrounds.com/fund/svb-capital) [Mountain Group Partners](https://millionrounds.com/fund/mountain-group-partners) [Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) [JJDC](https://millionrounds.com/fund/jjdc) Cormorant Asset

## Everyone who backed them

[New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **2** rounds

[Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) VC firm **2** rounds

[AstraZeneca](https://millionrounds.com/fund/astrazeneca) Growth equity **2** rounds

[Syno Capital](https://millionrounds.com/fund/syno-capital) VC firm **2** rounds

[Fletcher Spaght](https://millionrounds.com/fund/fletcher-spaght) Investment firm **2** rounds

[SVB Capital](https://millionrounds.com/fund/svb-capital) VC firm **1** round

[Mountain Group Partners](https://millionrounds.com/fund/mountain-group-partners) VC firm **1** round

[Johnson & Johnson Robotics and Digital Solutions](https://millionrounds.com/fund/johnson-and-johnson-robotics-and-digital-solutions) Corporate VC **1** round

[JJDC](https://millionrounds.com/fund/jjdc) Investment firm **1** round

Cormorant Asset no record of our own yet **1** round

Rock Springs no record of our own yet **1** round

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

## Quick answers about PhaseBio

### Who invested in PhaseBio?

PhaseBio's investors include New Enterprise Associates, Hatteras Venture Partners, AstraZeneca, Syno Capital and Fletcher Spaght, and 6 more on record.

### How much has PhaseBio raised?

PhaseBio has raised $50M across 2 rounds since 2017.

### When did PhaseBio last raise?

PhaseBio's most recent round was a Series D of $34M in Sept 2018.

### What was PhaseBio's biggest round?

Its most recent round, $34M in Sept 2018, is also its largest on record.

### Who backed PhaseBio first?

PhaseBio's first round on record, in Nov 2017, was backed by New Enterprise Associates, SVB Capital and Hatteras Venture Partners and 4 others.

### What stage is PhaseBio at?

PhaseBio's latest named round is a Series D, in Sept 2018.

### Where is PhaseBio based?

PhaseBio is based in the United States.

## Companies like PhaseBio

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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