Portfolio map · Private equity · United Kingdom

Janus Henderson Investors portfolio map

128 startups Janus Henderson Investors has backed in rounds we track, since 2017, grouped by their main sector. Together they have raised $28B; Janus Henderson Investors led at least one round in 1 of them. The biggest sector is Biotech, with 90 companies.

128startups backed
3sectors
$28Braised between them
Biotechbiggest sector

Janus Henderson Investors's investor profile

Biotech

90

+66 more

Pharma

35

+11 more

AI

3

Segment by segment

Biotech

90 startups · $21B raised

  1. Tango TherapeuticsTango Therapeutics is a biotechnology company that is developing next generation cancer therapies.United States$852M
  2. Definium TherapeuticsDefinium Therapeutics provides psychedelic-inspired medicines and therapies for substance abuse disorders and other mental illnesses.United States$805M
  3. Kymera TherapeuticsKymera Therapeutics is a biotechnology company that specializes in the field of targeted protein degradation.United States$799M
  4. Avidity BiosciencesSynapse Energy Economics is a consulting firm providing economic and policy analysis for the electric power sector.United States$790M
  5. Structure TherapeuticsStructure Therapeutics specializes in the discovery and development of drugs against a type of targets called GPCR.United States$748M
  6. BBioNTechGermany$687M
  7. Tyra BiosciencesTyra Biosciences is a biotechnology company targeting new pathways of acquired resistance in oncology with purpose-built drugs.United States$600M
  8. Kailera TherapeuticsKailera Therapeutics develops next-generation injectable and oral therapies for chronic weight management.United States$600M

Pharma

35 startups · $6.2B raised

  1. Dianthus TherapeuticsDianthus Therapeutics is a biotech company developing new treatments for serious autoimmune diseases using a more targeted approach.United States$719M
  2. VaxcyteVaxcyte focuses on developing vaccines designed to prevent or treat some of the most common and deadly infectious diseases worldwide.United States$633M
  3. Korsana BiosciencesKorsana Biosciences develops THETA-enabled antibody therapies for neurodegenerative diseases including Alzheimer’s.United States$530M
  4. OMass TherapeuticsOMass Therapeutics is a biotechnology company located in Oxford, UK, focused on discovering and developing novel small molecule meUnited Kingdom$442M
  5. Parabilis MedicinesParabilis Medicines is a Grupo Bugio is a biopharmaceutical firm that specializes in creating medicines.United States$380M
  6. Maze TherapeuticsMaze Therapeutics is an operator of a biotechnology firm used to focus on translating genetic insights into new medicines.United States$300M
  7. Compass TherapeuticsCompass Therapeutics is a biopharmaceutical company that focuses on drugging the immune system to treat human diseases.United States$257M
  8. Draig TherapeuticsDraig Therapeutics is a clinical-stage biotechnology company based in Cardiff, Wales, focused on developing innovative neuropsychiUnited Kingdom$216M

AI

3 startups · $673M raised

  1. HeartFlowHeartFlow is a medical technology company that provides various methods of diagnosis and treatment of cardiovascular disease.United States$586M
  2. Arbor BiotechnologiesArbor Biotechnologies is a gene editing company based in Cambridge, Massachusetts, dedicated to developing genomic medicines for aUnited States$74M
  3. TareTare is an AI-powered email marketing solution that makes data-driven automation easy for modern e-commerce brands.United States$13M

How this map is made. Every startup here has raised money in a round we track that names Janus Henderson Investors as an investor, the first in 2017. Each sits under its main sector, read from its rounds, and each sector shows its best-funded first; sectors with fewer than three companies are left off. Rebuilt nightly; updated 15 November 2026.

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