# Harpoon funding: rounds and investors

> Harpoon has raised $70M across 1 round since 2018. Investors include Lilly Asia Ventures, Cormorant Capital and Taiho Ventures. Every round with its source.

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

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

# Who invested in *Harpoon*

One round we have observed, with the 8 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 Healthcare

Funding summary Updated 26 Oct 2026

**$70M** raised across 1 round since 2018, from 1 source

- **Latest round:** Series C, $70M Nov 2018
- **Investors:** 8

See who backed them

## The rounds

- **Nov 2018** Series C **$70M** [Lilly Asia Ventures](https://millionrounds.com/fund/lilly-asia-ventures) [Cormorant Capital](https://millionrounds.com/fund/cormorant-capital) [Taiho Ventures](https://millionrounds.com/fund/taiho-ventures) [Ridgeback Capital](https://millionrounds.com/fund/ridgeback-capital) [Arix Bioscience/ OrbiMed](https://millionrounds.com/fund/arix-bioscience-orbimed) MPM New Leaf Oncology Impact Reported by FinSMEs

## Founders and team

From Harpoon's own website: 3 founders.

**Andy Johnson** Co-Founder, Design

**Ryan Battles** Co-Founder, Marketing

**Tom Jaeger** Co-Founder, Technology

## Everyone who backed them

[Lilly Asia Ventures](https://millionrounds.com/fund/lilly-asia-ventures) VC firm **1** round

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

[Taiho Ventures](https://millionrounds.com/fund/taiho-ventures) Corporate VC **1** round

[Ridgeback Capital](https://millionrounds.com/fund/ridgeback-capital) Family office **1** round

[Arix Bioscience/ OrbiMed](https://millionrounds.com/fund/arix-bioscience-orbimed) Growth equity **1** round

MPM no record of our own yet **1** round

New Leaf no record of our own yet **1** round

Oncology Impact 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=harpoon).

## Quick answers about Harpoon

### Who invested in Harpoon?

Harpoon's investors include Lilly Asia Ventures, Cormorant Capital, Taiho Ventures, Ridgeback Capital and Arix Bioscience/ OrbiMed, and 3 more on record.

### How much has Harpoon raised?

Harpoon has raised $70M across 1 round since 2018.

### When did Harpoon last raise?

Harpoon's most recent round was a Series C of $70M in Nov 2018.

### What was Harpoon's biggest round?

Its most recent round, $70M in Nov 2018, is also its largest on record.

### Who backed Harpoon first?

Harpoon's first round on record, in Nov 2018, was backed by Lilly Asia Ventures, Cormorant Capital and Taiho Ventures and 5 others.

### What stage is Harpoon at?

Harpoon's latest named round is a Series C, in Nov 2018.

### Where is Harpoon based?

Harpoon is based in the United States.

## Companies like Harpoon

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)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app