Annexon, Inc. (NASDAQ:ANNX) is one of the 12 hot penny stocks to invest in right now. Analyst Confidence Strong in Annexon (ANNX) Amid Vonaprument Advancement On November 19, 2025, The Fly reported that Wells Fargo increased its price target on Annexon, Inc. (NASDAQ:ANNX) from $14 to $27, while reiterating an “Overweight” rating. The investment firm’s price revision reflects its increased probability of success in the second half of 2026 for vonaprument’s Phase 3 trial in GA to 55% from 10%. The firm bel ...

Core Insights - The article highlights the presentation of the Tanruprubart Real-World Evidence (RWE) study, demonstrating its benefits over the current standard of care for Guillain-Barré Syndrome (GBS) patients [1][4] - Tanruprubart, a first-in-kind monoclonal antibody, shows significant improvements in muscle strength and overall recovery compared to existing treatments [2][3] Company Overview - Annexon, Inc. is a biopharmaceutical company focused on developing novel therapies for classical complement-mediated neuroinflammatory diseases [1][11] - The company’s lead investigational therapy, Tanruprubart, targets C1q to reduce inflammation and nerve damage in GBS [9][11] Clinical Findings - The RWE study matched Tanruprubart-treated patients with those receiving standard care (IVIg or PE), showing a rapid increase in muscle function and sustained recovery [4][8] - By Week 1, patients treated with Tanruprubart exhibited approximately a ten-point improvement in muscle strength compared to those on IVIg or PE [8] - Tanruprubart-treated patients were about three times more likely to achieve a better state of health on the GBS-Disability Scale at Weeks 4, 8, and 26 [8] Treatment Impact - Tanruprubart demonstrated rapid clinical benefits, including improvements in muscle strength, mobility, balance, and coordination, maintained through Week 26 [8] - The treatment allows patients to regain independence and return to daily activities sooner than with standard therapies [8][9] Disease Context - GBS is a rare autoimmune disease affecting at least 150,000 people globally each year, with no FDA-approved therapies currently available [2][10] - The disease can lead to severe weakness and paralysis, often requiring intensive care [2][10]

Core Insights - Annexon, Inc. presented Phase 3 data for tanruprubart, a novel therapy for Guillain-Barré Syndrome (GBS), demonstrating rapid recovery and durable benefits for patients [1][5][6] - GBS affects over 150,000 people globally each year, with no FDA-approved treatments currently available [2][10] - Tanruprubart is a first-in-class monoclonal antibody that targets C1q to halt neuroinflammation and nerve damage in GBS patients [3][4] Clinical Trial Results - The Phase 3 trial involved 241 patients and showed that tanruprubart met its primary endpoint, with a 2.4-fold higher likelihood of better health status at Week 8 compared to placebo (p=0.0058) [5][6] - At Week 1, treated patients were 14-fold more likely to perform the Timed Up and Go (TUG) test and showed over a 2-point improvement on the Overall Neuropathy Limitation Scale (ONLS) [6][7] - By Week 26, twice the number of patients treated with tanruprubart fully recovered to normal compared to placebo [7] Real World Evidence - A Real World Evidence (RWE) study matched tanruprubart-treated patients with those receiving standard care (IVIg or PE), showing faster muscle strength recovery and more complete recovery with tanruprubart [7] Disease Education Campaign - Annexon launched the "Move GBS Forward™" campaign to raise awareness about GBS among healthcare providers, emphasizing the urgent need for prompt diagnosis and treatment [8][9] - The campaign aims to address the misunderstanding and misdiagnosis of GBS, which can lead to severe patient trauma [9] Company Overview - Annexon is focused on developing therapies that target classical complement-driven neurodegeneration, with a pipeline addressing autoimmune, neurodegenerative, and ophthalmic diseases [11] - The company aims to deliver innovative treatments to improve the lives of millions affected by serious neuroinflammatory diseases [11]