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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
Obsidian Therapeutics2024Series CUndisclosedCambridge
Climb Bio2026Post-IPO EquityUndisclosedRedmond
Edgewise Therapeutics2025Post-IPO EquityUndisclosedBoulder
Maze Therapeutics2026Post-IPO EquityUndisclosedSouth San Francisco
Ray Therapeutics2026Series BUndisclosedSan Diego
Calyxo2026Series F$28.3MPleasanton
AN2 Therapeutics2026Post-IPO EquityUndisclosedMenlo Park
Claris Biotherapeutics2025Debt FinancingUndisclosedJersey City
Solid Biosciences2026Post Ipo Equity$240.0MCharlestown
Akero Therapeutics2024Post-IPO EquityUndisclosedCambridge

Complete List of Janus Henderson Investors Portfolio Companies (175)

Export
#CompanyStageAmountLocation
26Obsidian TherapeuticsSeries CUndisclosedCambridge, United States
27Climb BioPost-IPO EquityUndisclosedRedmond, United States
28Edgewise TherapeuticsPost-IPO EquityUndisclosedBoulder, United States
29Maze TherapeuticsPost-IPO EquityUndisclosedSouth San Francisco, United States
30Ray TherapeuticsSeries BUndisclosedSan Diego, United States
31CalyxoSeries F$28.3MPleasanton, United States
32AN2 TherapeuticsPost-IPO EquityUndisclosedMenlo Park, United States
33Claris BiotherapeuticsDebt FinancingUndisclosedJersey City, United States
34Solid BiosciencesPost Ipo Equity$240.0MCharlestown, United States
35Akero TherapeuticsPost-IPO EquityUndisclosedCambridge, United States
BiotechnologyHealth CarePharmaceutical

Obsidian Therapeutics is a developer of a next-generation cell and gene therapies created to extend adoptive immunotherapy.

Cambridge, United States
April 2024
Series C

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalNeurosciencePharmaceutical

Climb Bio occurs when the immune system mistakenly attacks the body's tissues and can result in permanent organ damage or even death.

Redmond, United States
April 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth Care

Edgewise Therapeutics is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization.

Boulder, United States
April 2025
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
April 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Ray Therapeutics is a biotech company that develops optogenetic gene therapies for patients with blinding diseases.

San Diego, United States
April 2026
Series B

Founder Contacts

19,000+ verified contacts

Health CareMedicalMedical DeviceWellness

Calyxo is a medical device company that improves kidney stone treatment through specialized urology technologies.

Pleasanton, United States
April 2026
$28.3M
Series F

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CarePharmaceutical

AN2 Therapeutics focuses on modern biomedical and drug development expertise to provide transformational medicines.

Menlo Park, United States
March 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeutics

Claris Biotherapeutics develops a topical formulation intended to cure corneal wounds, ulcers, and scars.

Jersey City, United States
March 2025
Debt Financing

Founder Contacts

19,000+ verified contacts

BiotechnologyGeneticsHealth CareMedical

Solid Biosciences is a life science company that conducts research for the treatment of Duchenne muscular dystrophy.

Charlestown, United States
March 2026
$240.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceTherapeutics

Akero Therapeutics is a biotechnology company focused on reversing the NASH epidemic by restoring the body’s metabolism to a balanced state.

Cambridge, United States
March 2024
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth Care

Ambrosia Biosciences offers drug development services for small molecule-based therapies for obesity and other metabolic disorders.

Boulder, United States
March 2026
Series B

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth CareTherapeutics

Palisade Bio is a clinical-stage biopharmaceutical company that develops therapies for acute and chronic gastrointestinal complications.

Carlsbad, United States
March 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CarePharmaceuticalTherapeutics

Stoke is developing antisense oligonucleotide medicines that target RNA splicing to increase gene expression for treatment.

Bedford, United States
March 2024
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiotechnologyHealth CareHealth DiagnosticsMedical

Heartflow is a medical technology company that provides various methods of diagnosis and treatment of cardiovascular disease.

Mountain View, United States
March 2025
Convertible Note

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth Care

Nkarta Therapeutics is a developer of cell engineering platform created to build the next generation of cell therapies.

South San Francisco, United States
March 2024
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)BiopharmaBiotechnologyLife Science

Arbor Biotechnologies is a biotechnology company specializing in next-generation gene editing therapeutics to treat genetic diseases.

Cambridge, United States
March 2025
Series C

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyLife Science

Equillium is a biotechnology company that develops products for autoimmune and inflammatory disorders with an unmet medical need.

La Jolla, United States
March 2026
$35.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceMedicalTherapeutics

Longeveron is a biotechnology company that focuses on developing cellular therapies for chronic aging-related and life-threatening diseases.

Miami, United States
March 2026
$30.0M
Post Ipo Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth Care

Dianthus Therapeutics is a biotech company developing new treatments for serious autoimmune diseases using a more targeted approach.

Waltham, United States
March 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyHealth CareMedical

Angitia Biopharmaceuticals develops biologic therapies for musculoskeletal diseases.

Westlake Village, United States
February 2026
Series D

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareTherapeuticsWellness

Applied Therapeutics uses drug-development approach to target molecules and pathways that has roles in fatal or debilitating diseases.

New York, United States
February 2024
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiopharmaBiotechnologyLife ScienceOncologyTherapeutics

Bicara Therapeutics develops dual-action cancer therapies, combining targeted treatments with tumor modulators for enhanced impact.

Cambridge, United States
February 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceOncologyTherapeutics

Tyra Biosciences is a biotechnology company targeting new pathways of acquired resistance in oncology with purpose-built drugs.

Carlsbad, United States
February 2024
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Health CareHealth DiagnosticsMedical Device

Magnolia Medical Technologies is a device development company that focuses on improving the accuracy of diagnostic blood culture tests.

Seattle, United States
February 2022
Private Equity

Founder Contacts

19,000+ verified contacts

BiotechnologyLife ScienceMedicalTherapeutics

Immunic is a biopharmaceutical company that develops a pipeline of selective oral immunology therapies.

New York, United States
February 2026
Post-IPO Equity

Founder Contacts

19,000+ verified contacts

Showing 26-50 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, Health Care, Therapeutics, Biopharma, Medical. The firm invests across 14 different industry categories.

What is Janus Henderson Investors's largest investment?

Among tracked funding rounds, Solid Biosciences received $240.0M 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 Obsidian Therapeutics, Climb Bio, Edgewise Therapeutics, Maze Therapeutics, Ray Therapeutics. These companies were founded in 2020 or later.

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