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ARCH Venture Partners Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: June 2026

ARCH Venture Partners Investment Overview

Portfolio Companies
156
Total Invested
$14.3B
Average Investment
$119.8M

Complete List of ARCH Venture Partners Portfolio Companies (156)

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#CompanyStageAmountLocation
151Pioneer Square LabsSeries B$15.0MSeattle, United States
152Semma TherapeuticsSeries B$114.0MCambridge, United States
153TRELYSSeed$80KSan Francisco, United States
154Genomics Medicine IrelandSeries A$40.0MDublin, Ireland
155Juno TherapeuticsSeries B$134.0MSeattle, United States
156OncofactorSeries Unknown$1.0MSeattle, United States
Enterprise SoftwareInternetMobile

Pioneer Square Labs is a studio that creates and launches technology startups.

Seattle, United States
January 2018
$15.0M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Semma Therapeutics was founded to develop transformative therapies for Type 1 diabetes patients.

Cambridge, United States
November 2017
$114.0M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyLife SciencePharmaceutical

TRELYS is a biotechnology company based in San Francisco, California.

San Francisco, United States
April 2017
$80K
Seed

Founder Contacts

19,000+ verified contacts

BiotechnologyGeneticsLife Science

Genomics Medicine Ireland is an Irish life sciences company conducting a study across Ireland of the human genome.

Dublin, Ireland
October 2016
$40.0M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyClinical TrialsHealth CareMedicalOncologyTherapeutics

Juno Therapeutics is a clinical-stage company, develops immunotherapies for the treatment of cancer.

Seattle, United States
August 2014
$134.0M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Oncofactor develops cancer therapeutics that disrupt signaling pathways between tumors and the immune system.

Seattle, United States
August 2013
$1.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

Showing 151-156 of 156 portfolio companies

Frequently Asked Questions About ARCH Venture Partners

How many companies has ARCH Venture Partners invested in?

ARCH Venture Partners has invested in 156 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does ARCH Venture Partners invest in?

ARCH Venture Partners's top investment sectors include Biotechnology, Health Care, Therapeutics, Medical, Life Science. The firm invests across 12 different industry categories.

What is ARCH Venture Partners's largest investment?

Among tracked funding rounds, Juno Therapeutics received $134.0M in a Series B round. ARCH Venture Partners's total known invested capital is $14.3B.

What is the average investment size for ARCH Venture Partners?

ARCH Venture Partners's average investment size is $119.8M across its portfolio of 156 companies.

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