Top 27 Immunology startups in USA

Jan 16, 2026
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1
Odyssey Therapeutics
Funding: $700M
Odyssey Therapeutics is a computational immunology company that develops novel therapeutics for patients with autoimmune diseases.
2
Annexon Biosciences
Funding: $634M
Annexon Biosciences a biotechnology company, discovers and developing novel therapeutics for neurodegenerative and autoimmune disorders.
3
Alumis
Funding: $569M
Alumis is a precision medicines company that is transforming the lives of patients living with immune-mediated diseases using a precision approach to develop oral therapies.
4
Atara Biotherapeutics
Funding: $566.8M
Atara Biotherapeutics is a leading off-the-shelf, allogeneic T-cell immunotherapy company developing novel treatments for patients with cancer, autoimmune and viral diseases, multiple sclerosis (MS).
5
Abcuro
Funding: $414.8M
Abcuro develops immunotherapeutics for the treatment of autoimmune diseases and cancer. Its flagship antibody-drug Ulviprubart targets the selective elimination of highly cytotoxic T cells expressing KLRG1 while sparing key lymphocyte populations, including naive, memory, and regulatory T cells, which are essential for maintaining normal immune homeostasis. Ulviprubart is in clinical trials for the treatment of highly cytotoxic T cell-mediated diseases, including the autoimmune muscle disease inclusion body myositis, T-cell large granular lymphocytic leukemia and mature T-cell malignancies.
6
Celularity
Funding: $400M
Celgene spinout that aims is to develop cells from placentas against blood cancers and is founded on the use of stem cells from placentas. The goal is to create therapies across autoimmune and degenerative disease, immuno-oncology, and functional regeneration.
7
Evelo Biosciences
Funding: $397M
Evelo is pioneering therapies that modulate systemic immune response by acting on the gut-body network - monoclonal microbials. They have the potential to treat many diseases, including inflammatory disease, cancer, autoimmune disease, metabolic, neurobehavior and neuroinflammatory diseases.
8
Be Biopharma
Funding: $356M
Be Biopharma engineers B-cell therapies. The applications of B cells include everything from autoimmune diseases to cancer and monogenic disorders, which are caused by variation in a single gene.
9
Shattack Labs
Funding: $328M
Shattuck Labs is a biotechnology company that provides novel class biologic medicines for the treatment of cancer and autoimmune disease.
10
Cabaletta Bio
Funding: $310M
Cabaletta Bio has adapted clinically-validated and FDA-approved CAR T cell technology to target B cell-mediated autoimmune diseases.
11
Seismic Therapeutic
Funding: $247M
Seismic Therapeutic is a biotechnology company advancing machine learning for immunology drug development.
12
Nuvig Therapeutics
Funding: $208M
Nuvig Therapeutics is advancing innovative and transformational therapies that are designed to induce natural mechanisms to restore immune.
13
Triveni Bio
Funding: $207M
Triveni Bio focuses on the identification of novel disease by combining human genetics and precision medicine.
14
Rome Therapeutics
Funding: $199M
ROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome.
15
Sudo Biosciences
Funding: $183M
Sudo Biosciences is a biopharmaceutical company committed to developing cutting-edge medications that are unmatched in their class that advances programs in multiple sclerosis and psoriasis
16
GentiBio
Funding: $177M
GentiBio is a biotherapeutics company developing engineered regulatory T cells (EngTregs) programmed to treat autoimmune allergic diseases.
17
Santa Ana Bio
Funding: $176M
Santa Ana Bio is a biotechnology company focusing on precision immunology for autoimmune and inflammatory diseases.
18
Third Arc Bio
Funding: $165M
Third Arc Bio is a biotech company developing multifunctional antibodies for inflammatory and immunology diseases.
19
Navidea Biopharmaceuticals
Funding: $133.8M
Navidea Biopharmaceuticals has established a niche in precision medicine. The company focuses on the development and commercialization of diagnostic agents and therapeutics for cancer, autoimmune diseases, dementia, and movement disorders.
20
Merida Therapeutics
Funding: $121M
Merida Biosciences is a biotech company focused on developing precision treatments, particularly for autoimmune diseases.
21
Ouro Medicines
Funding: $120M
Ouroboros Medicines is a biotechnology company specializes in immunology.
22
Nilo Therapeutics
Funding: $110.6M
NILO Therapeutics is a biotechnology and therapeutics company.
23
Landos Biopharma
Funding: $70M
Landos Biopharma is a developer of an oral first-in-class therapeutics designed to target autoimmune diseases.
24
Metaphore Biotechnologies
Funding: $50M
Metaphore Biotechnologies is a firm that uses biomimicry and machine learning to unlock the revolutionary therapeutic. The company aims the platform at developing treatments for autoimmune, metabolic and oncology indications.
25
Cimeio Therapeutics
Funding: $50M
Cimeio Therapeutics is applied gene editing, cellular and immunotherapy company, developing shielded-cell and immunotherapy pairs to transform treatment for rare genetic diseases, hematologic malignancies and autoimmune disorders.
26
WellTheory
Funding: $26.2M
WellTheory is a virtual care platform providing autoimmune and inflammatory conditions care services.
27
MARAbio Systems
Funding: $19.1M
MARAbio is a biotech firm that works to detect and prevent severe forms of Autism.
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Editor: Jason Kwon
Jason Kwon is a senior editor for MedicalStartups. He has previously covered the pharmaceutical and medical research industries for FDAnews and worked as a head of marketing for medical startup Sonic Therapeutics. Before that, he co-founded a startup consulting business for emerging entrepreneurial hubs in Asia. Jason graduated from St. Bonaventure University’s journalism school. In his free time, Jason enjoys yoga, watching movie trailers, traveling to places where he can't get cell service. You can contact Jason at jaskwon(at)medicalstartups(dot)com