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Janus Henderson Investors — Portfolio, Page 4

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

229
Companies
$34.7B
Total invested
$151.4M
Avg. check
25
Industries
Biotechnology 21Health Care 10Therapeutics 10Life Science 7Medical 7Pharmaceutical 6+19 more
Founder contacts

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Portfolio companies

Showing 73–96 of 229
Owlet Baby Care
October 2025

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

Baby · Lehi$30.0M Post-IPO Equity
AtaiBeckley
October 2025

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

Biotechnology · Berlin$149.5M Post-IPO Equity
C4 Therapeutics
October 2025

C4 Therapeutics develops novel early stage therapies that eliminate disease-causing proteins.

Biotechnology · Cambridge$125.0M Post-IPO Equity
LEXEO Therapeutics
October 2025

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

Biotechnology · New York$154.0M Post-IPO Equity
Kailera Therapeutics
October 2025

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

Biotechnology · Waltham$600.0M Series B
Biomea Fusion
October 2025

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

Biotechnology · Redwood City$25.0M Post-IPO Equity
Xos Trucks
September 2025

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

Business Development · Los Angeles$2.4M Post-IPO Equity
Pepgen
September 2025

PepGen is empowering nucleic acid therapeutics to go the distance.

Biotechnology · Oxford$115.0M Post-IPO Equity
Monopar
September 2025

Monopar Therapeutics is an emerging biopharmaceutical company focused on developing orphan oncology compounds.

Biopharma · Wilmette$135.0M Post-IPO Equity
Avidity Biosciences
September 2025

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

Biotechnology · San Diego$690.0M Post-IPO Equity
Galvanize Therapeutics
September 2025

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

Health Care · San Carlos$100.0M Series C
Compass Therapeutics
August 2025

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

Biopharma · Boston$120.0M Post-IPO Equity
Edgewise Therapeutics
April 2025

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

Biopharma · Boulder$200.0M Post-IPO Equity
Heartflow
March 2025

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

Artificial Intelligence (AI) · Mountain View$98.0M Convertible Note
Arbor Biotechnologies
March 2025

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

Artificial Intelligence (AI) · Cambridge$73.9M Series C
Curevo
March 2025

Curevo is a clinical-stage biotechnology company developing next-generation, non-mRNA vaccines for infectious diseases.

Biopharma · Bothell$110.0M Series B
Bambusa Therapeutics
February 2025

Bambusa Therapeutics operates as biotechnology company.

Biotechnology · Boston$90.0M Series A
Aligos Therapeutics
February 2025

Aligos Therapeutics is discovering and developing new classes of molecules that interact directly with disease-causing modalities.

Biotechnology · San Francisco$105.0M Post-IPO Equity
Ottimo Pharma
December 2024

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

Biotechnology · Sandwich$140.0M Series A
CG Oncology
December 2024

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

Biotechnology · Irvine$238.0M Post-IPO Equity
New Amsterdam Pharma
December 2024

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

Biotechnology · Naarden$452.6M Post-IPO Equity
nChroma Bio
December 2024

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

Biotechnology · Boston$75.0M Venture - Series Unknown
Janux Therapeutics
December 2024

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

Biotechnology · La Jolla$350.0M Post-IPO Equity
35Pharma
November 2024

35Pharma is a biopharmaceutical company that designs and develops innovative biologics for diseases of high unmet medical need.

Biopharma · Montreal$53.0M Series C

Where Janus Henderson Investors invests

Biotechnology21
Health Care10
Therapeutics10
Life Science7
Medical7
Pharmaceutical6

About Janus Henderson Investors's portfolio

How many companies has Janus Henderson Investors invested in?▸

Janus Henderson Investors has invested in 229 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, Life Science, Medical. The firm invests across 25 different industry categories.

What is Janus Henderson Investors's largest investment?▸

Among tracked funding rounds, Avidity Biosciences received $690.0M in a Post-IPO Equity round. Janus Henderson Investors's total known invested capital is $34.7B.

What is the average investment size for Janus Henderson Investors?▸

Janus Henderson Investors's average investment size is $151.4M across its portfolio of 229 companies.

What are Janus Henderson Investors's most recent investments?▸

Recent Janus Henderson Investors portfolio additions include Owlet Baby Care, AtaiBeckley, C4 Therapeutics, LEXEO Therapeutics, Kailera Therapeutics. These companies were founded in 2020 or later.

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