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Alexandria Venture Investments Portfolio Companies

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

Last updated: July 2026

Alexandria Venture Investments Investment Overview

Portfolio Companies
157
Total Invested
$3.8B
Average Investment
$37.7M

Complete List of Alexandria Venture Investments Portfolio Companies (157)

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#CompanyStageAmountLocation
151Tiburio TherapeuticsSeries A$31.0MCambridge, United States
152Quentis TherapeuticsGrant$1.0MNew York, United States
153Rodeo TherapeuticsSeries Unknown$8.9MSeattle, United States
154MouSensorSeed$3.3MNew York, United States
155System1 BiosciencesSeries A$25.0MSan Francisco, United States
156Nohla TherapeuticsSeries B$11.0MSeattle, United States
157CydanSeries Unknown$34.0MCambridge, United States
BiotechnologyHealth CareMedicalPharmaceutical

Tiburio Therapeutics is a developer of drug compounds intended to treat tumors and endocrine diseases.

Cambridge, United States
January 2019
$31.0M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Quentis Therapeutics is a developer of immuno-therapeutics designed to address ER stress in multiple diseases.

New York, United States
December 2018
$1.0M
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Rodeo Therapeutics is a developer of small-molecule therapies designed to promote regeneration and repair of multiple tissue types.

Seattle, United States
November 2018
$8.9M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth Care

MouSensor is an early-stage biotech company.

New York, United States
September 2018
$3.3M
Seed

Founder Contacts

19,000+ verified contacts

BiotechnologyNeuroscienceTherapeutics

System1 Biosciences is a neurotherapeutics company.

San Francisco, United States
September 2018
$25.0M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth DiagnosticsTherapeutics

Nohla Therapeutics is a biotechnology company that develops a shelf alternative to bone marrow transplants.

Seattle, United States
July 2018
$11.0M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedical

Cydan is an orphan drug accelerator focused on identifying and de-risking compounds with therapeutic and commercial potential.

Cambridge, United States
October 2017
$34.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

Showing 151-157 of 157 portfolio companies

Frequently Asked Questions About Alexandria Venture Investments

How many companies has Alexandria Venture Investments invested in?

Alexandria Venture Investments has invested in 157 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Alexandria Venture Investments invest in?

Alexandria Venture Investments's top investment sectors include Biotechnology, Health Care, Therapeutics, Medical, Pharmaceutical. The firm invests across 7 different industry categories.

What is Alexandria Venture Investments's largest investment?

Among tracked funding rounds, Cydan received $34.0M in a Series Unknown round. Alexandria Venture Investments's total known invested capital is $3.8B.

What is the average investment size for Alexandria Venture Investments?

Alexandria Venture Investments's average investment size is $37.7M across its portfolio of 157 companies.

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