# SiteOne Therapeutics funding: rounds and investors

> SiteOne Therapeutics has raised $119M across 5 rounds since 2014. Investors include Next Frontier Capital, Sears Capital Management and BioBrit.

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

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

# Who invested in *SiteOne Therapeutics*

5 rounds we have observed, with the 10 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

**$119M** raised across 5 rounds since 2014, from 5 sources

**$1.4M** Grant **$1.5M** Venture **$1.3M** Venture **$15M** Series B **$100M** Series C

- **Latest round:** Series C, $100M Dec 2024
- **Step-up i:** 6.7×
- **Investors:** 10 (1 led)

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.

2016 2018 2020 2022 2024

**$1.4M** Grant

**$1.5M** Venture

**$15M** Series B

**$100M** Series C

- **First round:** Grant, $1.4M
- **Biggest round:** $100M
- **Usual gap between rounds:** 18 months

## The rounds

- **Dec 2024** Series C **$100M** *4 new* *1 returning* [OrbiMed](https://millionrounds.com/fund/orbimed) [Wellington Management](https://millionrounds.com/fund/wellington-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) Source recorded
- **Jan 2017** Series B **$15M** *1 new* [Amgen](https://millionrounds.com/fund/amgen) Lead Reported by Genengnews SEC filing: $15M sold, first sale Dec 2016
- **Jul 2015** Venture **$1.3M** *2 new* *2 returning* [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) [Sears Capital Management](https://millionrounds.com/fund/sears-capital-management-inc) [BioBrit](https://millionrounds.com/fund/biobrit) From a historical funding record SEC filing: $1.3M sold, first sale Jul 2015
- **Sept 2014** Venture **$1.5M** *3 new* [Bay Capital](https://millionrounds.com/fund/bay-capital-partners-ltd) [Sears Capital Management](https://millionrounds.com/fund/sears-capital-management-inc) [BioBrit](https://millionrounds.com/fund/biobrit) From a historical funding record
- **Sept 2014** Grant **$1.4M** No investor was named in the report. From a historical funding record

## 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.

**Grant** 2014 **Venture** 2014 **Venture** 2015 **Series B** 2017 **Series C** 2024 [Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) [Sears Capital Management](https://millionrounds.com/fund/sears-capital-management-inc) [BioBrit](https://millionrounds.com/fund/biobrit) [Amgen](https://millionrounds.com/fund/amgen) L [OrbiMed](https://millionrounds.com/fund/orbimed) [Wellington Management](https://millionrounds.com/fund/wellington-management) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) [Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) [Bay Capital](https://millionrounds.com/fund/bay-capital-partners-ltd)

## Everyone who backed them

[Next Frontier Capital](https://millionrounds.com/fund/next-frontier-capital) VC firm **2** rounds

[Sears Capital Management](https://millionrounds.com/fund/sears-capital-management-inc) Investment firm **2** rounds

[BioBrit](https://millionrounds.com/fund/biobrit) VC firm **2** rounds

[Amgen](https://millionrounds.com/fund/amgen) Corporate VC **1** round, led 1

[OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round

[Wellington Management](https://millionrounds.com/fund/wellington-management) VC firm **1** round

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

[Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) VC firm **1** round

[Mission Bay Capital](https://millionrounds.com/fund/mission-bay-capital) VC firm **1** round

[Bay Capital](https://millionrounds.com/fund/bay-capital-partners-ltd) Hedge fund **1** round

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

## Quick answers about SiteOne Therapeutics

### Who invested in SiteOne Therapeutics?

SiteOne Therapeutics's investors include Next Frontier Capital, Sears Capital Management, BioBrit, Amgen and OrbiMed, and 5 more on record.

### How much has SiteOne Therapeutics raised?

SiteOne Therapeutics has raised $119M across 5 rounds since 2014.

### When did SiteOne Therapeutics last raise?

SiteOne Therapeutics's most recent round was a Series C of $100M in Dec 2024.

### What was SiteOne Therapeutics's biggest round?

Its most recent round, $100M in Dec 2024, is also its largest on record.

### Who backed SiteOne Therapeutics first?

SiteOne Therapeutics's first round on record, in Sept 2014, was backed by Bay Capital, Sears Capital Management and BioBrit.

### What stage is SiteOne Therapeutics at?

SiteOne Therapeutics's latest named round is a Series C, in Dec 2024.

### Where is SiteOne Therapeutics based?

SiteOne Therapeutics is based in the United States.

### Who led SiteOne Therapeutics's rounds?

Amgen led the Series B in 2017.

## Companies like SiteOne Therapeutics

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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