United States · Funded startup

Who invested in Harpoon Therapeutics

2 rounds we have observed, with the 9 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$145Mraised across 2 rounds since 2017, from 2 sources

$45MSeries B$100MRound
Latest round
Round, $100MOct 2023
Step-upi
2.2×
Investors
9
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.

2017201820192020202120222023
$45MSeries B$100MRound
First round
Series B, $45M
May 2017
Biggest round
$100M
Round · Oct 2023
Between rounds
6.3 years
from the last two

The rounds

  1. Oct 2023
    Round$100M5 new

    Source recordedSEC filing: $100M sold, first sale Oct 2023

  2. May 2017
    Series B$45M4 new

    Reported by FinSMEsSEC filing: $25M sold, first sale May 2017

Founders and team

From the SEC filings it signed: 2 on the team.

  • Julie EastlandExecutive Officer, Directori
  • Luke WalkerExecutive Officeri

On the board, as filediAndrew RobbinsJonathan DrachmanJoseph BailesLauren SilvernailMark ChinRonald HuntScott Myers

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.

Everyone who backed them

OrbiMedPrivate equity1round
RA Capital ManagementPrivate equity1round
Cormorant Asset ManagementPrivate equity1round
MPM CapitalPrivate equity1round
Lilly Asia VenturesVC firm1round
UBSWealth manager1round
Taiho VenturesCorporate VC1round
Arix BioscienceVC firm1round
New Leafno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Harpoon Therapeutics

Who invested in Harpoon Therapeutics?

Harpoon Therapeutics's investors include OrbiMed, RA Capital Management, Cormorant Asset Management, MPM Capital and Lilly Asia Ventures, and 4 more on record.

How much has Harpoon Therapeutics raised?

Harpoon Therapeutics has raised $145M across 2 rounds since 2017.

When did Harpoon Therapeutics last raise?

Harpoon Therapeutics's most recent round was an Undisclosed round of $100M in Oct 2023.

What was Harpoon Therapeutics's biggest round?

Its most recent round, $100M in Oct 2023, is also its largest on record.

Who backed Harpoon Therapeutics first?

Harpoon Therapeutics's first round on record, in May 2017, was backed by MPM Capital, Taiho Ventures and Arix Bioscience and 1 others.

What stage is Harpoon Therapeutics at?

Harpoon Therapeutics's latest named round is an Undisclosed round, in Oct 2023.

Where is Harpoon Therapeutics based?

Harpoon Therapeutics is based in the United States.

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