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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
175
Total Invested
$12.5B
Average Investment
$129.0M

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

Company NameFoundedFunding StageAmountCity
BlossomHill Therapeutics2025Series B$84.0MSan Diego
Kymera Therapeutics2025Post Ipo Equity$602.0MCambridge
Structure Therapeutics2025Post Ipo Equity$747.5MSouth San Francisco
Nuvalent2025Post Ipo Secondary$500.0MCambridge
Artios Pharma2025Series D$115.0MCambridge
Bambusa Therapeutics2025Series AUndisclosedBoston
Annexon Biosciences2025Post Ipo Equity$86.3MSouth San Francisco
Centessa Pharmaceuticals2025Post Ipo Equity$250.0MCambridge
4D Molecular Therapeutics2025Post Ipo Equity$100.0MEmeryville
Sonoma Biotherapeutics2025Grant$300KSouth San Francisco

Complete List of Janus Henderson Investors Portfolio Companies (175)

Export
#CompanyStageAmountLocation
101BlossomHill TherapeuticsSeries B$84.0MSan Diego, United States
102Kymera TherapeuticsPost Ipo Equity$602.0MCambridge, United States
103Structure TherapeuticsPost Ipo Equity$747.5MSouth San Francisco, United States
104NuvalentPost Ipo Secondary$500.0MCambridge, United States
105Artios PharmaSeries D$115.0MCambridge, United Kingdom
106Bambusa TherapeuticsSeries AUndisclosedBoston, United States
107Annexon BiosciencesPost Ipo Equity$86.3MSouth San Francisco, United States
108Centessa PharmaceuticalsPost Ipo Equity$250.0MCambridge, United States
1094D Molecular TherapeuticsPost Ipo Equity$100.0MEmeryville, United States
110Sonoma BiotherapeuticsGrant$300KSouth San Francisco, United States
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

19,000+ 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

19,000+ 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

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Nuvalent is a biotechnology company that develops targeted therapies for clinically proven kinase targets in cancer.

Cambridge, United States
November 2025
$500.0M
Post Ipo Secondary

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyMedical Device

Artios Pharma is a biopharmaceutical company that provides new solutions in the DNA damage response (DDR) field.

Cambridge, United Kingdom
November 2025
$115.0M
Series D

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife ScienceMedical

Bambusa Therapeutics operates as biotechnology company.

Boston, United States
November 2025
Series A

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareHealth DiagnosticsLife ScienceTherapeutics

Annexon Biosciences is a biotech company, discovering and developing novel therapeutics for neurodegenerative and autoimmune disorders.

South San Francisco, United States
November 2025
$86.3M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyPharmaceutical

Centessa Pharmaceuticals is a next-generation biopharmaceutical company that aims to reshape the traditional drug development process.

Cambridge, United States
November 2025
$250.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyGenetics

4D Molecular Therapeutics designs, develops, and commercializes transformative gene therapeutic products for unmet medical conditions.

Emeryville, United States
November 2025
$100.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Sonoma Biotherapeutics develops engineered regulatory T-cell (Treg) therapies to treat autoimmune and inflammatory diseases.

South San Francisco, United States
November 2025
$300K
Grant

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalTherapeutics

MindMed provides psychedelic-inspired medicines and therapies for substance abuse disorders and other mental illnesses.

New York, United States
October 2025
$225.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalTherapeutics

Tango Therapeutics is a biotechnology company that is developing next generation cancer therapies.

Cambridge, United States
October 2025
$197.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BabyConsumer ElectronicsHealth CareSoftware

Owlet Baby Care offers a health monitor that allows parents to view their child's vital signs in real-time.

Lehi, United States
October 2025
$30.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceMental HealthNeuroscienceTherapeutics

AtaiBeckley develops innovative mental health treatments that address significant unmet medical needs.

Berlin, Germany
October 2025
$149.5M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

LEXEO Therapeutics utilizes gene therapy to treat genetically defined cardiovascular and central nervous system diseases.

New York, United States
October 2025
$154.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife SciencePharmaceuticalTherapeutics

Tubulis generates antibody-drug conjugates with unique properties for solid tumor indications.

Munich, Germany
October 2025
$400.6M
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyPharmaceuticalTherapeutics

Kailera Therapeutics develops next-generation injectable and oral therapies for chronic weight management.

Waltham, United States
October 2025
$600.0M
Series B

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceOncologyTherapeutics

Biomea Fusion is a precision oncology company developing novel small molecules that target aggressive forms of cancer.

Redwood City, United States
October 2025
$25.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

Health CareMedicalTherapeutics

Star Therapeutics mission is to develop therapies for as many diseases as possible for millions of patients.

South San Francisco, United States
October 2025
$125.0M
Undisclosed

Founder Contacts

19,000+ verified contacts

Business DevelopmentElectric VehicleFinanceManufacturingRailroadTransportation

Xos Trucks specializes in the field of manufacturing fully electric commercial vehicles.

Los Angeles, United States
September 2025
$2.4M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyClinical TrialsMedical

PepGen is empowering nucleic acid therapeutics to go the distance.

Oxford, United Kingdom
September 2025
$115.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyGeneticsTherapeutics

Maze Therapeutics is a biotechnology company that develops precision medicines for renal, cardiovascular, and metabolic diseases.

South San Francisco, United States
September 2025
$150.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareLife SciencePharmaceuticalTherapeutics

Synapse Energy Economics is a consulting firm providing economic and policy analysis for the electric power sector.

San Diego, United States
September 2025
$690.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth CareMedicalNeurosciencePharmaceuticalTherapeutics

Korsana Biosciences develops THETA-enabled antibody therapies for neurodegenerative diseases including Alzheimer’s.

Waltham, United States
September 2025
$150.0M
Series A

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

Showing 101-125 of 175 portfolio companies

Frequently Asked Questions About Janus Henderson Investors

How many companies has Janus Henderson Investors invested in?

Janus Henderson Investors has invested in 175 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, Therapeutics, Health Care, Life Science, Pharmaceutical. The firm invests across 24 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 $12.5B.

What is the average investment size for Janus Henderson Investors?

Janus Henderson Investors's average investment size is $129.0M across its portfolio of 175 companies.

What are Janus Henderson Investors's most recent investments?

Recent Janus Henderson Investors portfolio additions include BlossomHill Therapeutics, Kymera Therapeutics, Structure Therapeutics, Nuvalent, Artios Pharma. These companies were founded in 2020 or later.

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