AC Immune SA (ACIU)
AC Immune S.A. is a biotech firm operating at the clinical stage, dedicated to pioneering, formulating, and advancing therapeutic agents and diagnostic tools. Its core mission is addressing neurodegenerative conditions rooted in protein misfolding, both preventatively and therapeutically. Leveraging its proprietary SupraAntigen and Morphomer platforms, the company engineers a range of vaccines, antibodies, and small molecules specifically designed to engage with aberrantly folded proteins implicated across various neurodegenerative disorders. Its pipeline features Crenezumab, a humanized, conformation-specific monoclonal antibody currently undergoing a Phase II clinical prevention trial for Alzheimer's disease (AD). Additionally, AC Immune is advancing ACI-24, an anti-Abeta vaccine candidate, which is in Phase II clinical evaluation for AD and has successfully completed a Phase Ib study for Down syndrome. Other key candidates include ACI-35, an anti-Tau vaccine candidate that has finished Phase Ib clinical assessment, and a Tau-positron emission tomography (PET) imaging tracer, also in Phase II development. Furthermore, the company is engaged in the research and development of small molecule inhibitors to prevent Tau aggregation, targeting AD and various NeuroOrphan indications. Early-stage efforts include discovery and preclinical programs for a spectrum of neurodegenerative diseases, encompassing diagnostic agents aimed at TDP-43, alpha-synuclein, and NLRP3. The company maintains strategic partnerships and licensing agreements with key industry players such as Genentech, Inc., Biogen International GmbH, Janssen Pharmaceuticals, Inc., Life Molecular Imaging SA, Eli Lilly and Company, and WuXi Biologics. Founded in 2003, AC Immune S.A. is headquartered in Lausanne, Switzerland.
Sector: Pharmaceutical Preparations
Industry: Biotechnology
AC Immune S.A.
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based on 99.43M shares outstanding
AC Immune SA, a clinical stage biopharmaceutical company, discovers, designs, and develops medicines and diagnostic products for the prevention and treatment of neurodegenerative diseases associated with protein misfolding.
Its SupraAntigen and Morphomer platforms are designed to generate vaccines, antibodies, and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases.
The company is developing Crenezumab, a humanized, conformation-specific monoclonal antibody, which is in Phase II clinical prevention trial for the treatment of Alzheimer's disease (AD).
It is also developing ACI-24, an anti-Abeta vaccine candidate that is in Phase II clinical study for AD, as well as completed Phase Ib clinical study for Down syndrome; ACI-35, an anti-Tau vaccine candidate that has completed Phase Ib clinical study; and Tau- positron emission tomography (PET) imaging tracer, which is in Phase II clinical study.
In addition, the company is researching and developing small molecule Tau aggregation inhibitors for AD and NeuroOrphan indications. Further, it has discovery and preclinical stage molecules targeting range of neurodegenerative diseases, which include diagnostics targeting TDP-43, alpha-synuclein, and NLRP3. AC Immune SA has license agreements and collaborations with Genentech, Inc.; Biogen International GmbH; Janssen Pharmaceuticals, Inc.; Life Molecular Imaging SA; Eli Lilly and Company; and WuXi Biologics.
The company was incorporated in 2003 and is headquartered in Lausanne, Switzerland.
Leadership
Andrea Pfeifer
Co-Founder, Chief Executive Officer & Director
Bojana Portmann
SVP of Intellectual Property,Intellectual Property & Business Development
Christopher Roberts
Chief Financial Officer & Vice President of Finance
Francesca Capotosti
Senior Vice President of Research
Employees
133
Country
CH
Sector
Healthcare
Website
acimmune.com
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Director | Grant/Award | 38.9K | -- | Jun 11, 2026 | |
| Interim CEO | Grant/Award | 77.8K | -- | Jun 11, 2026 | |
| Director | Grant/Award | 38.9K | -- | Jun 11, 2026 | |
| Director | Grant/Award | 38.9K | -- | Jun 11, 2026 | |
| Director | Grant/Award | 17.8K | -- | Jun 11, 2026 | |
| Interim CEO | Grant/Award | 33.1K | -- | Jun 11, 2026 |
| Name | Shares | % | Source |
|---|---|---|---|
BVF INC/IL | 19.8M | 19.9% | 13F |
Pfeifer Andrea Chief Executive Officer, Director | 3.8M | 3.8% | FORM 4 |
WELLS FARGO & COMPANY/MN | 1.0M | 1.0% | 13F |
RENAISSANCE TECHNOLOGIES LLC | 840.1K | 0.8% | 13F |
MILLENNIUM MANAGEMENT LLC | 773.6K | 0.8% | 13F |
BlackRock, Inc. | 519.3K | 0.5% | 13F |
DIMENSIONAL FUND ADVISORS LP | 340.1K | 0.3% | 13F |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 233.0K | 0.2% | 13F |
CITADEL ADVISORS LLC | 207.6K | 0.2% | 13F |
Roberts Christopher James Chief Financial Officer | 155.4K | 0.2% | FORM 4 |
Insiders
- Twyman Roy ErvinDirector
- Zuegel MartinInterim CEO
- June Carl HowardDirector
- AGUIAR-LUCANDER RENEEDirector
- Buetler MonikaDirector
- Pfeifer AndreaChief Executive Officer
- Roberts Christopher JamesChief Financial Officer
- Donati PiergiorgioChief Operating Officer
- Graney ThomasDirector
based on 99.43M shares outstanding
30d Avg
191.61K
60d Avg
176.14K
90d Avg
196.41K