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Avidity Partners — Portfolio

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

32
Companies
$2.9B
Total invested
$75.2M
Avg. check
23
Industries
Health Care 17Biotechnology 13Medical 5Pharmaceutical 5Medical Device 4Wellness 4+17 more
Founder contacts

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Portfolio companies

Showing 1–24 of 32
Satellos Bioscience
September 2025

Satellos Bioscience is a private regenerative medicine company developing novel therapeutics that stimulate or restore muscle regeneration.

Health Care · Toronto$754K Post-IPO Equity
GentiBio
August 2021

GentiBio is a biotherapeutics company developing engineered regulatory T cells programmed to treat autoimmune allergic diseases.

Biotechnology · Seattle$157.0M Series A
connectRN
May 2023

ConnectRN is a tech-enabled network built to improve clinicians' lives through access to community, opportunity, and support.

Health Care · Waltham$750K Convertible Note
Context Therapeutics
May 2024

Context Therapeutics is a clinical-stage biopharmaceutical company.

Biotechnology · Philadelphia$100.0M Post-IPO Equity
Quanta Therapeutics
May 2023

Quanta is a biotechnology company uncovering novel cancer therapeutic candidates using allosteric modulation to target driver oncogenes.

Biotechnology · San Francisco$50.7M Series D
Endeavor BioMedicines
April 2024

Endeavor BioMedicines develops new treatments targeting the underlying causes of pulmonary fibrosis.

Biotechnology · Solana Beach$132.5M Series C
Calyxo
April 2026

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

Health Care · Pleasanton$40.0M Series F
Hyperfine
March 2026

Hyperfine makes MRI accessible to every patient regardless of income or resources.

Computer · Guilford$40.0M Post-IPO Debt
OrganOx
February 2025

OrganOx is a medical technology company.

Health Care · Oxford$160.0M Venture - Series Unknown
Sirona Medical
November 2024

Sirona Medical transforms radiology with a cloud-native platform unifying worklist, viewer, reporter, archive, and AI into one workspace.

Artificial Intelligence (AI) · San Francisco$42.0M Series C
858 Therapeutics
September 2024

858 Therapeutics develops small molecule drugs targeting oncology and immunology.

Biotechnology · San Diego$50.0M Series B
Helaina
September 2024

Helaina is a biotechnology company that focuses on advanced nutrition through the replication of functional proteins.

Biotechnology · New York$45.0M Series B
MBrace Therapeutics
November 2023

MBrace Therapeutics is a privately held biopharmaceutical business.

Biotechnology · San Diego$85.0M Series B
Upstream Health
December 2022

Upstream Health provides technologies and new service approaches for health and social care teams.

Fitness · Scunthorpe$140.0M Series B
UpStream Care
December 2022

UpStream Care is the ideal marketplace solution for medicine.

Health Care · Greensboro$140.0M Series B
Nested Therapeutics
October 2022

Nested Therapeutics aims to advance precision oncology medicine by finding new driver mutations.

Biotechnology · Cambridge$90.0M Series A
Sonoma Biotherapeutics
November 2025

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

Biotechnology · South San Francisco$300K Grant
TORL BioTherapeutics
October 2025

TORL BioTherapeutics is a clinical-stage biopharmaceutical business.

Biopharma · Culver City$96.0M Series C
Nuvation Bio
March 2025

Nuvation Bio is a global biopharmaceutical company focusing on unmet needs in oncology.

Biotechnology · New York$150.0M Post Ipo Debt
Innovaccer
January 2025

Innovaccer provides an AI cloud platform for healthcare data management and analytics.

Analytics · San Francisco$275.0M Series F
Neurogene
November 2024

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

Biotechnology · New York$200.0M Post Ipo Equity
Field Trip Health
March 2021

Field Trip Health is providing simple, evidence-based therapies for healing and heightening engagement with the world.

Alternative Medicine · Toronto$76.7M Post Ipo Equity
Cyteir Therapeutics
February 2021

Cyteir is developing the next generation of synthetic lethal therapies to treat cancer.

Biopharma · Cambridge$80.0M Series C

Where Avidity Partners invests

Health Care17
Biotechnology13
Medical5
Pharmaceutical5
Medical Device4
Wellness4

About Avidity Partners's portfolio

How many companies has Avidity Partners invested in?▸

Avidity Partners has invested in 32 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Avidity Partners invest in?▸

Avidity Partners's top investment sectors include Health Care, Biotechnology, Medical, Pharmaceutical, Medical Device. The firm invests across 23 different industry categories.

What is Avidity Partners's largest investment?▸

Among tracked funding rounds, Innovaccer received $275.0M in a Series F round. Avidity Partners's total known invested capital is $2.9B.

What is the average investment size for Avidity Partners?▸

Avidity Partners's average investment size is $75.2M across its portfolio of 32 companies.

What are Avidity Partners's most recent investments?▸

Recent Avidity Partners portfolio additions include Satellos Bioscience, GentiBio, connectRN, Context Therapeutics, Quanta Therapeutics. These companies were founded in 2020 or later.

Reach the founders behind these 32 companies
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