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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
0
Total Invested
$5.6B
Average Investment
$53.2M

Polaris Partners's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Tropic Biosciences2026Series C$105.0MLondon
BarkBox2026Post Ipo Debt$35.0MNew York
Mesodyne2026GrantUndisclosedSomerville
TRex Bio2026Series Unknown$50.0MSouth San Francisco
Primmune Therapeutics2026Series B$23.3MSan Diego
EpiBiologics2026Series B$107.0MSan Mateo
Muna Therapeutics2026Grant$1.0MCopenhagen
Nomad Health2025Series Unknown$33.8MNew York
Invivyd2025Post Ipo Equity$125.0MWaltham
Proof2025Series Unknown$15.7MBoston

Complete List of Polaris Partners Portfolio Companies (0)

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#CompanyStageAmountLocation
1Tropic BiosciencesSeries C$105.0MLondon, United Kingdom
2BarkBoxPost Ipo Debt$35.0MNew York, United States
3MesodyneGrantUndisclosedSomerville, United States
4TRex BioSeries Unknown$50.0MSouth San Francisco, United States
5Primmune TherapeuticsSeries B$23.3MSan Diego, United States
6EpiBiologicsSeries B$107.0MSan Mateo, United States
7Muna TherapeuticsGrant$1.0MCopenhagen, Denmark
8Nomad HealthSeries Unknown$33.8MNew York, United States
9InvivydPost Ipo Equity$125.0MWaltham, United States
10ProofSeries Unknown$15.7MBoston, United States
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

E-CommercePetSubscription Service

Barkbox is a monthly subscription service platform that provides dog products.

New York, United States
January 2026
$35.0M
Post Ipo Debt

Founder Contacts

19,000+ verified contacts

EnergyNanotechnology

Mesodyne manufactures the LightCell: a high energy density, silent, compact power generator converting any fuel to electricity via light.

Somerville, United States
January 2026
Grant

Founder Contacts

19,000+ verified contacts

BioinformaticsBiopharmaBiotechnology

TRex Bio is a biotechnology company that treats diseases like cancer, fibrotic by studying human tissues.

South San Francisco, United States
January 2026
$50.0M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth Care

Primmune Therapeutics is a Biotechnology company.

San Diego, United States
January 2026
$23.3M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

EpiBiologics develops antibody-based targeted therapies against membrane and extracellular proteins.

San Mateo, United States
January 2026
$107.0M
Series B

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyMedicalPharmaceutical

Muna Therapeutics discovers and develops therapies that slow or stop neurodegenerative diseases such as alzheimer’s and parkinson's.

Copenhagen, Denmark
January 2026
$1.0M
Grant

Founder Contacts

19,000+ verified contacts

Health CareHuman ResourcesMarketplaceRecruiting

Nomad Health is an online staffing marketplace that connects clinicians to healthcare jobs.

New York, United States
December 2025
$33.8M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Invivyd develops antibodies to transcend the limitations of the human immune system and fight against viral infections.

Waltham, United States
November 2025
$125.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

LegalLegal TechSoftwareTransaction Processing

Proof is an identity-assured transaction management platform that verifies identities and secures digital transactions.

Boston, United States
November 2025
$15.7M
Series Unknown

Founder Contacts

19,000+ verified contacts

Health Care

Sovato Health provides surgical access through remote robotic surgeon options.

Santa Barbara, United States
November 2025
$41.0M
Series B

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

BiotechnologyLife ScienceTherapeutics

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

Amsterdam, The Netherlands
October 2025
$35.2M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedicalOncology

Crossbow Therapeutics is a biotech company developing a new type of cancer treatment.

Cambridge, United States
September 2025
$30.3M
Series Unknown

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceMedical

Volastra Therapeutics is a biotechnology company developing novel therapies for the treatment of metastatic cancers.

New York, United States
September 2025
$30.1M
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareWellness

Cirrus Therapeutics is a Biotechnology Research firm diganosing and treating eye diseases affecting ocular immune system.

Cambridge, United States
August 2025
$11.0M
Seed

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
$120.0M
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
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
June 2025
$15.0M
Debt Financing

Founder Contacts

19,000+ verified contacts

Consumer SoftwareHealth CareSaaSSoftware

Cohere Health is a SaaS company that focuses on improving the efficiency and effectiveness of healthcare delivery.

Boston, United States
May 2025
$90.0M
Series C

Founder Contacts

19,000+ verified contacts

Biotechnology

Tectonic Therapeutic is a biotechnology company which focuses on scientific research in biochemistry and molecular pharmacology.

Watertown, United States
February 2025
$185.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedical DeviceTherapeutics

FIRE1 and is based in Dublin, Ireland, will focus on developing novel therapeutic devices.

Dublin, Ireland
January 2025
$120.0M
Series B

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyMedicalPharmaceutical

Soufflé Therapeutics has potent, precise, and safe medicines can be designed and developed for all diseases.

Watertown, United States
January 2025
$200.0M
Series A

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)IndustrialManufacturingSaaS

Falkonry is an Industrial AI software company that provides automated data analysis to the manufacturing and defense industries.

Cupertino, United States
November 2024
$3.4M
Undisclosed

Founder Contacts

19,000+ verified contacts

BiotechnologyGeneticsHealth CareTherapeutics

Alector is combining state-of-the-art antibody technology and recent discoveries in neuroimmunology and human genetics to develop novel.

San Francisco, United States
November 2024
$50.0M
Post Ipo Debt

Founder Contacts

19,000+ verified contacts

Showing 1-0 of 0 portfolio companies

Frequently Asked Questions About Polaris Partners

How many companies has Polaris Partners invested in?

Polaris Partners has invested in 0 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, Therapeutics, Medical, Biopharma. The firm invests across 34 different industry categories.

What is Polaris Partners's largest investment?

Among tracked funding rounds, Soufflé Therapeutics received $200.0M in a Series A 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 0 companies.

What are Polaris Partners's most recent investments?

Recent Polaris Partners portfolio additions include Tropic Biosciences, BarkBox, Mesodyne, TRex Bio, Primmune Therapeutics. These companies were founded in 2020 or later.

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