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Compare · AGEN vs BIIB

AGEN vs BIIB

Side-by-side comparison of Agenus Inc. (AGEN) and Biogen Inc. (BIIB): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both AGEN and BIIB operate in Biotechnology: Biological Products (No Diagnostic Substances) (Health Care), so they compete in similar markets.
  • BIIB is the larger of the two at $28.44B, about 217.5x AGEN ($130.8M).
  • Over the past year, AGEN is down 43.2% and BIIB is up 43.6% - BIIB leads by 86.8 points.
  • BIIB has been more active in the news (9 items in the past 4 weeks vs 5 for AGEN).
  • BIIB has more recent analyst coverage (25 ratings vs 10 for AGEN).
PerformanceAGEN-43.19%BIIB+43.59%
2025-06-09+0.00%2026-06-08
MetricAGENBIIB
Company
Agenus Inc.
Biogen Inc.
Price
$3.15-2.48%
$192.65-1.36%
Market cap
$130.8M
$28.44B
1M return
-16.22%
+0.68%
1Y return
-43.19%
+43.59%
Industry
Biotechnology: Biological Products (No Diagnostic Substances)
Biotechnology: Biological Products (No Diagnostic Substances)
Exchange
NASDAQ
NASDAQ
IPO
2000
News (4w)
5
9
Recent ratings
10
25
AGEN

Agenus Inc.

Agenus Inc., a clinical-stage immuno-oncology company, discovers and develops immuno-oncology products in the United States and internationally. The company offers Retrocyte Display, an antibody expression platform for the identification of fully human and humanized monoclonal antibodies; and display technologies. It develops vaccine programs comprising Prophage vaccine candidate; AutoSynVax, a synthetic neo-antigen; PhosPhoSynVax, a vaccine candidate to treat tumor; and QS-21 Stimulon adjuvant, a saponin-based vaccine adjuvant. The company also develops Balstilimab, an anti-PD-1 antagonist that is in Phase II clinical trial to treat second line cervical cancer; AGEN1181, an anti-CTLA-4 monospecific antibody that is in Phase 1/2 clinical trial for dose escalation study; AGEN2373, an anti-CD137 monospecific antibody that is in Phase 1 clinical trial; AGEN1223, a novel bispecific antibody to deplete regulatory T cells, which is in a Phase 1 clinical trial; AGEN-1423, a tumor microenvironment conditioning anti-CD73/TGFß TRAP bi-functional antibody that has completed Phase 1 clinical trial; AGEN1777, an anti-TIGIT bispecific antibodies; and AGEN1327, an anti-TIGIT monospecific antibody. In addition, it develops INCAGN1876, an anti-GITR monospecific antibody; INCAGN1949, an anti-OX40 monospecific antibody; INCAGN2390, an anti-TIM-3 monospecific antibody; INCAGN2385, an anti-LAG-3 monospecific antibody; and MK-4830, a monospecific antibody targeting ILT4, as well as AGENT 797, an iNKT cells that is in Phase 1 clinical trial for the treatment of COVID-19-related pneumonia; and in preclinical stage to treat multiple myeloma/B cell malignancies and solid tumors. The company has collaborations with Incyte Corporation, Merck Sharpe & Dohme, Recepta Biopharma SA, and Gilead Sciences, Inc. The company was formerly known as Antigenics Inc. and changed its name to Agenus Inc. in January 2011. Agenus Inc. was founded in 1994 and is headquartered in Lexington, Massachusetts.

BIIB

Biogen Inc.

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; and FLIXABI, an infliximab biosimilar referencing REMICADE. In addition, the company offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; and OCREVUS for treating relapsing MS and primary progressive MS; and other anti-CD20 therapies. Further, it develops BIIB061, BIIB091, and BIIB107 for MS and neuroimmunology; Aducanumab, BAN2401, BIIB092, BIIB076, and BIIB080 to treat Alzheimer's disease and dementia; BIIB067, BIIB078, BIIB105, BIIB100, and BIIB110 to treat neuromuscular disorders; BIIB124, BIIB094, BIIB118, BIIB101, and BIIB122 for treating Parkinson's disease and movement disorders; BIIB111 and BIIB112 to treat ophthalmology related diseases; BIIB125 and BIIB104 for treating neuropsychiatry; Dapirolizumab pegol and BIIB059 to treat immunology related diseases; BIIB093 and TMS-007 to treat acute neurology; BIIB074 and BIIB095 for neuropathic pain; and SB11 and SB15 biosimilars, which are under various stages of development. The company has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Bristol-Myers Squibb Company; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Ginkgo Bioworks; Capsigen Inc.; and Mirimus, Inc. Biogen Inc. was founded in 1978 and is headquartered in Cambridge, Massachusetts.

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