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Polaris Partners Portfolio Companies

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

Last updated: July 2026

Polaris Partners Investment Overview

Portfolio Companies
158
Total Invested
$5.6B
Average Investment
$53.2M

Polaris Partners's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
AgBiome2021Series DUndisclosedRaleigh
Seismic Therapeutic2024Series BUndisclosedWatertown
Noetik2024GrantUndisclosedSouth San Francisco
Compass Therapeutics2025Post-IPO EquityUndisclosedBoston
Gossamer Bio2023Post-IPO EquityUndisclosedSan Diego
Auron Therapeutics2025Venture - Series UnknownUndisclosedNewton
Cardurion Pharmaceuticals2024Series BUndisclosedBoston
OM12021Series DUndisclosedBoston
Engine Biosciences2026Venture - Series Unknown$27.0MSingapore
Leyden Labs2026Undisclosed$35.2MAmsterdam

Complete List of Polaris Partners Portfolio Companies (158)

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#CompanyStageAmountLocation
1AgBiomeSeries DUndisclosedRaleigh, United States
2Seismic TherapeuticSeries BUndisclosedWatertown, United States
3NoetikGrantUndisclosedSouth San Francisco, United States
4Compass TherapeuticsPost-IPO EquityUndisclosedBoston, United States
5Gossamer BioPost-IPO EquityUndisclosedSan Diego, United States
6Auron TherapeuticsVenture - Series UnknownUndisclosedNewton, United States
7Cardurion PharmaceuticalsSeries BUndisclosedBoston, United States
8OM1Series DUndisclosedBoston, United States
9Engine BiosciencesVenture - Series Unknown$27.0MSingapore, Singapore
10Leyden LabsUndisclosed$35.2MAmsterdam, The Netherlands
AgricultureBiotechnologyService Industry

AgBiome discovers and develops innovative biological and trait products for crop protection.

Raleigh, United States
September 2021
Series D

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedical

Seismic Therapeutic is a biotechnology company developing machine-learning technology for immunology drug development.

Watertown, United States
September 2024
Series B

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyLife Science

Noetik is an AI-native biotechnology company that applies machine learning to large-scale human multimodal spatial omics datasets.

South San Francisco, United States
September 2024
Grant

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyTherapeutics

Compass Therapeutics is a biopharmaceutical company that focuses on drugging the immune system to treat human diseases.

Boston, United States
August 2025
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Gossamer Bio is a biopharmaceutical company focused on the discovery and development of novel and differentiated therapeutic products.

San Diego, United States
July 2023
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Auron aims to cure cancer therapeutics from cell killing to transformation of malignant cells into more normal functioning cells.

Newton, United States
July 2025
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalPharmaceutical

Cardurion is a cardiovascular biotechnology company developing therapeutics for the treatment of heart failure and cardiovascular diseases.

Boston, United States
July 2024
Series B

Founder Contacts

19,000+ verified contacts

Big DataHealth CareInformation TechnologyMedicalPrecision Medicine

OM1 is a healthcare technology company that leverages real-world clinical data for medical research and personalized medicine.

Boston, United States
July 2021
Series D

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyHealth CareMachine Learning

Engine Biosciences is a biotech company that applies machine learning to genomics for drug discovery.

Singapore, Singapore
June 2026
$27.0M
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Leyden Labs provides a platform that targets commonalities of viral families to protect humanity from known and future viruses.

Amsterdam, The Netherlands
June 2026
$35.2M
Undisclosed

Founder Contacts

19,000+ verified contacts

Health CareMedicalNeurosciencePharmaceutical

Vico Therapeutics is a developer of ribonucleic acid (RNA) modulating therapies.

Leiden, The Netherlands
June 2024
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Tavo Biotherapeutics is a biotech company that develops injection therapies for eye diseases.

Dorchester, United States
June 2026
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Triveni Bio is a biotechnology company that develops antibody-based therapeutics for immunological and inflammatory diseases.

Watertown, United States
June 2026
$115.0M
Series C

Founder Contacts

19,000+ verified contacts

Environmental ConsultingRenewable EnergySemiconductorSolar

CubicPV is a solar manufacturing company that produces wafers and tandem modules.

Bedford, United States
June 2023
Venture - Series Unknown

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)HardwareInsurancePredictive Analytics

Whisker Labs develops cutting-edge sensor technology to protect homes and communities from electrical fires and bad utility power.

Germantown, United States
May 2026
Series D

Founder Contacts

19,000+ verified contacts

Health CareMedical

Livara Health is a provider of non-operative, personalized treatment for musculoskeletal conditions.

San Diego, United States
May 2024
Series B

Founder Contacts

19,000+ verified contacts

BabyBiotechnologyHealth CareNutritionWellness

ByHeart is a baby nutrition company with FDA-registered infant formula.

New York, United States
May 2024
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalNeuroscience

Neumora Therapeutics operates as a clinical-stage biotechnology company.

Watertown, United States
April 2024
Grant

Founder Contacts

19,000+ verified contacts

Health CarePersonal HealthPharmaceuticalWellness

Thirty Madison provides virtual healthcare and treatment for a portfolio of chronic conditions through its brands

New York, United States
April 2024
Secondary Market

Founder Contacts

19,000+ verified contacts

BiotechnologyGeneticsHealth CarePrecision MedicineTherapeutics

QurAlis is a biotechnology company that creates precision medicine solutions to cure ALS and FTD.

Cambridge, United States
March 2023
Series B

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyMedical

Satellite Bio specializes in cell therapy, regenerative medicine, synthetic biology, cell biology, and tissue engineering.

Newton, United States
March 2022
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Capstan Therapeutics develops in vivo mRNA and gene-editing medicines for a broad range of diseases.

San Diego, United States
March 2024
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedicalOncology

Crossbow Therapeutics is a biotech company that develops targeted therapies to address cancer antigens.

Cambridge, United States
March 2026
$77.0M
Series B

Founder Contacts

19,000+ verified contacts

AgricultureBiotechnology

Tropic Biosciences is a pioneering leader in the development of novel high-performing commercial tropical crop varieties and traits.

London, United Kingdom
March 2026
$105.0M
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyClinical TrialsHealth CareMedical Device

Indomo is a clinical-stage firm that aims to improve access to quality healthcare through novel device-enabled treatments.

San Francisco, United States
October 2025
$25.0M
Seed

Founder Contacts

19,000+ verified contacts

Showing 1-25 of 158 portfolio companies

Frequently Asked Questions About Polaris Partners

How many companies has Polaris Partners invested in?

Polaris Partners has invested in 158 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Polaris Partners invest in?

Polaris Partners's top investment sectors include Biotechnology, Health Care, Medical, Therapeutics, Life Science. The firm invests across 30 different industry categories.

What is Polaris Partners's largest investment?

Among tracked funding rounds, Triveni Bio received $115.0M in a Series C round. Polaris Partners's total known invested capital is $5.6B.

What is the average investment size for Polaris Partners?

Polaris Partners's average investment size is $53.2M across its portfolio of 158 companies.

What are Polaris Partners's most recent investments?

Recent Polaris Partners portfolio additions include AgBiome, Seismic Therapeutic, Noetik, Compass Therapeutics, Gossamer Bio. These companies were founded in 2020 or later.

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