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Janus Henderson Investors Portfolio Companies

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

Last updated: July 2026

Janus Henderson Investors Investment Overview

Portfolio Companies
213
Total Invested
$26.3B
Average Investment
$142.2M

Janus Henderson Investors's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Galvanize Therapeutics2025Series C$100.0MSan Carlos
Bambusa Therapeutics2025Series A$90.0MBoston
Attralus2024Series B$56.0MSan Francisco
Parse Biosciences2023Series C$50.0MSeattle
TwinStrand Biosciences2023Venture - Series Unknown$10.3MSeattle
Diagonal Therapeutics2026Series B$125.0MWatertown
Phathom Pharmaceuticals2026Post-IPO Equity$130.0MFlorham Park
Synthekine2023Series C$100.0MMenlo Park
Vaxcyte2026Post-IPO Equity$632.5MSan Carlos
Structure Therapeutics2025Post-IPO Equity$747.5MSouth San Francisco

Complete List of Janus Henderson Investors Portfolio Companies (213)

Export
#CompanyStageAmountLocation
76Galvanize TherapeuticsSeries C$100.0MSan Carlos, United States
77Bambusa TherapeuticsSeries A$90.0MBoston, United States
78AttralusSeries B$56.0MSan Francisco, United States
79Parse BiosciencesSeries C$50.0MSeattle, United States
80TwinStrand BiosciencesVenture - Series Unknown$10.3MSeattle, United States
81Diagonal TherapeuticsSeries B$125.0MWatertown, United States
82Phathom PharmaceuticalsPost-IPO Equity$130.0MFlorham Park, United States
83SynthekineSeries C$100.0MMenlo Park, United States
84VaxcytePost-IPO Equity$632.5MSan Carlos, United States
85Structure TherapeuticsPost-IPO Equity$747.5MSouth San Francisco, United States
Health CareMedicalMedical DeviceTherapeutics

Galvanize is a biomedical platform company that provides therapeutic products and services to deliver healthcare solutions.

San Carlos, United States
September 2025
$100.0M
Series C

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedical

Bambusa Therapeutics operates as biotechnology company.

Boston, United States
February 2025
$90.0M
Series A

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareMedical

Attralus is a biopharmaceutical company focusing on creating transformative medicines to improve the lives of patients.

San Francisco, United States
February 2024
$56.0M
Series B

Founder Contacts

30,000+ verified contacts

BioinformaticsBiotechnologyGeneticsLife Science

Parse Biosciences is a biotechnology startup company that develops single-cell sequencing kit solutions for researchers.

Seattle, United States
December 2023
$50.0M
Series C

Founder Contacts

30,000+ verified contacts

BiotechnologyGeneticsHealth Care

TwinStrand Biosciences develops and commercializes the duplex sequencing technology for DNA sequencing.

Seattle, United States
June 2023
$10.3M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyLife ScienceMedicalTherapeutics

Diagonal Therapeutics is a biotechnology startup that develops targeted therapies for cancer and genetic diseases.

Watertown, United States
January 2026
$125.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyPharmaceutical

Phathom Pharmaceuticals is a biopharmaceutical company.

Florham Park, United States
January 2026
$130.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceMedicalTherapeutics

Synthekine is a development stage biotherapeutics company focused on the engineering of novel specific and potent cytokine therapies.

Menlo Park, United States
January 2023
$100.0M
Series C

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth Care

Vaxcyte focuses on developing vaccines designed to prevent or treat some of the most common and deadly infectious diseases worldwide.

San Carlos, United States
January 2026
$632.5M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareMedicalPharmaceuticalProduct Research

Structure Therapeutics specializes in the discovery and development of drugs against a type of targets called GPCR.

South San Francisco, United States
December 2025
$747.5M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalProduct Research

Tenpoint Therapeutics is a biotechnology company pursuing vision-restoring engineered cell-based therapeutics.

Camborne, United Kingdom
January 2026
$150.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth DiagnosticsPharmaceuticalTherapeutics

Janux Therapeutics develops immunotherapies that generates immune responses to prevent tumors and not affecting a patient’s healthy tissue.

La Jolla, United States
December 2024
$350.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CarePharmaceutical

Ottimo Pharma develops innovative cancer therapies using PD1-VEGFR2 antibodies.

Sandwich, United Kingdom
December 2024
$140.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Athira Pharma is a clinical stage drug development company that specializes in biotechnology and pharmaceutical.

Seattle, United States
December 2025
$90.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyTherapeutics

CAMP4 Therapeutics is a biotechnology company that uses RNA to restore healthy gene expression.

Cambridge, United States
December 2025
$30.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Business IntelligenceHealth CareMedical

Yarrow is developing a first-in-class antibody targeting TSHR for the treatment of Graves’ disease and thyroid eye disease.

New York, United States
December 2025
$200.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BiotechnologyMedicalTherapeutics

Ambros Therapeutics is a clinical-stage biotechnology company.

Irvine, United States
December 2025
$125.0M
Series A

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareHealth DiagnosticsOncology

CG Oncology is a clinical-stage biopharmaceutical company focused on the development of oncolytic immunotherapies to combat cancer.

Irvine, United States
December 2024
$238.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyMedicalProduct Research

nChroma Bio is a cutting-edge biotechnology business that is developing targeted in vivo delivery systems as well as best-in-class cargo.

Boston, United States
December 2024
$75.0M
Venture - Series Unknown

Founder Contacts

30,000+ verified contacts

BiotechnologyLife SciencePharmaceutical

New Amsterdam is a clinical-stage company focused on the research and development of transformative therapies for cardio-metabolic diseases.

Naarden, The Netherlands
December 2024
$452.6M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyHealth CareOncologyPharmaceuticalTherapeutics

BlossomHill Therapeutics is a biopharmaceutical company focusing on oncology and autoimmune disorders.

San Diego, United States
December 2025
$84.0M
Series B

Founder Contacts

30,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Kymera Therapeutics is a biotechnology company that specializes in the field of targeted protein degradation.

Cambridge, United States
December 2025
$602.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Think Bioscience is reimagining synthetic biology by guiding the design and assembly of better medicines through the use of living systems.

Boulder, United States
January 2026
$55.0M
Series A

Founder Contacts

30,000+ verified contacts

BiopharmaBiotechnologyLife Science

Caldera Therapeutics is a biotech company engaged in the development of bispecific antibody CLD-423 for inflammatory bowel disease (IBD).

Cambridge, United States
January 2026
$37.5M
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology

Neurogene is a developer of genetic medicines intended to improve patient outcomes for neurological disorders.

New York, United States
November 2024
$200.0M
Post-IPO Equity

Founder Contacts

30,000+ verified contacts

Showing 76-100 of 213 portfolio companies

Frequently Asked Questions About Janus Henderson Investors

How many companies has Janus Henderson Investors invested in?

Janus Henderson Investors has invested in 213 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Janus Henderson Investors invest in?

Janus Henderson Investors's top investment sectors include Biotechnology, Health Care, Medical, Therapeutics, Pharmaceutical. The firm invests across 14 different industry categories.

What is Janus Henderson Investors's largest investment?

Among tracked funding rounds, Structure Therapeutics received $747.5M in a Post-IPO Equity round. Janus Henderson Investors's total known invested capital is $26.3B.

What is the average investment size for Janus Henderson Investors?

Janus Henderson Investors's average investment size is $142.2M across its portfolio of 213 companies.

What are Janus Henderson Investors's most recent investments?

Recent Janus Henderson Investors portfolio additions include Galvanize Therapeutics, Bambusa Therapeutics, Attralus, Parse Biosciences, TwinStrand Biosciences. These companies were founded in 2020 or later.

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Janus Henderson Investors Portfolio: 213 Companies & Co-Investors (2026) | VCBacked