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Focused on Patients The Anaptys Team works to transform patient health by delivering innovative immunology therapeutics. The Anaptys team works to transform patient health by delivering innovative immunology therapeutics.
Theresa, working in the Anaptys lab
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Anaptys Overview A clinical-stage biotechnology company focused on addressing unmet medical needs in autoimmune and inflammatory diseases. We are a clinical-stage biotechnology company focused on addressing unmet medical needs in autoimmune and inflammatory diseases.
Sarah and Ben in an Anaptys conference room
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The Anaptys Difference Best-in-class antibodies designed to help dampen the inflammatory response and restore immune balance. Best-in-class antibodies designed to help dampen the inflammatory response and restore immune balance.
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Transparency, Accountability, Humility Embracing our core values to guide our efforts discovering and developing medicines that transform patient lives. Embracing our core values to guide our efforts discovering and developing medicines that transform patient lives.
May and Annie, reviewing a recent Immunology publication
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Scientific Deep Dive Investigational ANB033,
potential pipeline in a product Listen to our Oct. 2025 virtual investor event Investigational ANB033, potential pipeline in a product... listen to our Oct. 2025 virtual investor event See presentation Listen to the webcast

Press Releases

October 29, 2025
  • Anaptys News

Anaptys Announces New Positive Phase 2b Trial Results for Rosnilimab in Rheumatoid Arthritis at ACR Late-Breaking Oral Presentation

AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced late-breaking data from the robust, global 424-patient Phase 2b trial of rosnilimab, a selective and potent pathogenic T cell depleter, in rheumatoid arthritis (RA) at the American College of Rheumatology (ACR) Convergence 2025 in Chicago.

October 13, 2025
  • Anaptys Events

Anaptys Announces Late-Breaking Oral Presentation of Complete Phase 2b Data for Rosnilimab in Rheumatoid Arthritis at Upcoming ACR Convergence 2025

AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced that complete data from the Phase 2b trial of rosnilimab, a pathogenic T cell depleter, in rheumatoid arthritis (RA), was accepted for a late-breaking oral presentation at American College of Rheumatology (ACR) Convergence 2025 in Chicago, IL, Oct. 24 – 29, 2025.

September 29, 2025
  • Anaptys Events

Anaptys to Provide Overview of ANB033, a CD122 antagonist, at Virtual Investor Event on Tuesday, Oct. 14

AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced it will host a virtual investor event on ANB033, its CD122 antagonist, at 4:30pm ET / 1:30pm PT on Tuesday, Oct. 14.

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