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AC Immune Ltd(ACIU)

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ADVISORIES YOU CAN VERIFY
QUALITY SIGNAL RECENCY
1-STAR RATING
Consider higher Upturn Star rating
BUY for 19 days
PROFIT SINCE LAST BUY
+3.88%
LAST CLOSE
$2.68
09/15/2026
(24-hour delay)

Advisory History & Simulated Performance *

*as per simulation (see disclosures)
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Upturn Advisory & Investor View for ACIU

09/15/2026: ACIU (1-star) has a low Upturn Star Rating. Not recommended to BUY.

AC Immune is a clinical-stage biotechnology company developing precision medicines for neurodegenerative diseases like Alzheimer's. Its primary strength lies in its proprietary technology platforms and its ability to secure major strategic partnerships, which validate its research. The company's investment story centers on the success of its vaccine candidates and diagnostic tools. Key risks include the inherent volatility of clinical trial outcomes, financial reliance on partners, and fierce competition from larger pharmaceutical firms. As a high-risk biotech stock, it is most suited for growth-oriented investors who can tolerate significant volatility, while progress in its pipeline remains the most critical development to monitor.

How to Read the Upturn Advisory

The Upturn Star Rating and the current BUY, SELL, or PASS advisory are generated by Upturn’s AI advisory engine based on proprietary signal analysis, price behavior, advisory history, and historical signal performance.

Company fundamentals, valuation, risks, and news provide supporting context about the business.

Investor Fit

Investor styleFitWhy
Growth investorMixed fitThis is a high-risk, high-reward play suitable for those focused on clinical development milestones.
Momentum investorMixed fitThe stock often reacts strongly to clinical news, making it a potential, though volatile, momentum candidate.
Value investorWeak fitThe lack of consistent earnings and product revenue makes traditional value metrics inapplicable.
Dividend investorWeak fitThe company does not pay dividends and focuses entirely on capital reinvestment.
Low-risk investorWeak fitHigh clinical and financial risks make this unsuitable for conservative, risk-averse portfolios.

Risk Profile

Risk factorLevelWhy it matters
Price volatilityHighClinical trial results can cause significant swings in stock price.
Valuation riskMedium / highValuation is highly speculative and dependent on future pipeline success.
Competition risk (Large Pharma)HighWell-funded competitors can out-spend and potentially outperform in drug development.
Business qualityMediumWhile the technology is advanced, the lack of commercial revenue limits financial robustness.
Dividend incomeLow / noneInvestors should expect zero income from dividends.
Execution riskHighThe success of the company rests on navigating complex, high-failure clinical trial environments.

Price Behavior

Steep Decline
PRICE PATH

Steep Decline

The stock price has dropped sharply with strong downward pressure.

Choppy
PRICE STABILITY

Choppy

The stock has experienced frequent reversals and pronounced short-term price swings.

Analysis of Past Performance

Type Stock
Historic Profit -32.99%
Avg. Invested days 22
Today’s Advisory Consider higher Upturn Star rating
Upturn Advisory Rating upturn star rating icon
Upturn Advisory Performance Upturn Advisory Performance icon 2.0
Stock Returns Performance Upturn Returns Performance icon 1.0
Upturn Profits based on simulation icon Profits based on simulation
Upturn last close icon Last Close 09/15/2026

Upturn Scorecard

Upturn Star Rating

ACIU receives a 3-star rating, supported by solid analyst coverage. The rating is constrained by soft unit economics, soft company fundamentals, and soft quantitative characteristics.

Company Fundamentals

ACIU has soft overall fundamentals (2 stars), with soft financial health, weak growth momentum, and solid ownership. In FY2025 versus FY2024, growth and ownership metrics are mixed: negative earnings growth (-38.4%), soft cash generation (FCF margin -1875.4%), negative revenue growth (-86.9%).

Financial Health Rating

ACIU's financial health is supported by moderate efficiency, including operating-expense and cost-of-revenue discipline (opex 2027.3% of revenue). Cash strength is soft (2 stars), which helps explain the 2-star overall score.

Growth Momentum Score

ACIU's growth profile is soft, with the least-weak measure being earnings growth at -38.4% FY2025 versus FY2024. By comparison, while revenue growth (-86.9%, negative) and free-cash-flow growth (-202.7%, negative) hold the profile back, so recent growth is not broad-based across the business.

Ownership

Institutional ownership is 24.4% and approximately 39.4% of outstanding shares are publicly tradable, supporting liquidity and institutional participation. Insider ownership of 37.90% supports management-shareholder alignment.

Top 5 Institutional Investors

Bvf Inc 19.94%
Wells Fargo & Co 1.01%
Millennium Management LLC 0.78%
Renaissance Technologies Corp 0.63%
BlackRock Inc 0.53%

Unit Economics (Per $1K Revenue)

ACIU generates approximately $1,000 of gross profit, $-19,273 of operating income, and $-18,754 of free cash flow for every $1,000 of revenue. Based on FY2025 results. Strong cash conversion and healthy margins support the rating, although capital efficiency remains below the highest tier.

Economic Dimensions

Effective Tax Rate: 0.00%

Quantitative Style Profile

ACIU has a High Volatility Profile profile. Weak momentum is the primary drawback, while valuation that is moderately attractive rather than deeply discounted.

Style Classification

Quality Focused

High VolatilitySmall / Mid Cap RiskShort Squeeze Risk

Key Highlights

Company Size Small-Cap Stock
Market Capitalization 264.48M USD
Price to earnings Ratio -
1Y Target Price 8.43
Price to earnings Ratio -
1Y Target Price 8.43
Volume (30-day avg) 204.7K shares
Beta 1.59
52 Weeks Range 2.10 - 4.00
Updated Date 09/15/2026
52 Weeks Range 2.10 - 4.00
Updated Date 09/15/2026
Dividends yield (FY) -
Basic EPS (TTM) -0.52

How Company Makes Money

Business areaWhat it includesRetail investor read
Research CollaborationsUpfront payments, research funding, and milestone payments from partners.The company earns money by partnering its drug candidates with big pharmaceutical companies.
Diagnostic LicensingLicensing fees for Tau-PET tracer technology.Revenue is generated by allowing others to use their proprietary imaging diagnostic tools.
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Valuation

Trailing PE -
Forward PE 16.23
Enterprise Value 177.23M
Price to Sales(TTM) 15.11
Enterprise Value 177.23M
Price to Sales(TTM) 15.11
Enterprise Value to Revenue 8.68
Enterprise Value to EBITDA -0.76
Shares Outstanding 99.43M
Shares Floating 39.19M
Shares Outstanding 99.43M
Shares Floating 39.19M
Percent Insiders 37.9
Percent Institutions 24.45

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Financial Metrics

🧭 Investment Snapshot

Total Revenue (Scale)

Information icon Total money earned from selling products or services before any costs. It is needed to understand the scale of the business and its ability to generate income.

Net Income (Profit)

Information icon Final profit after all expenses, interest, and taxes are deducted. It is needed to determine the overall profitability available to shareholders.

Free Cash Flow (Cash Strength)

Information icon Cash remaining after operating activities and capital expenditures, showing cash available for growth. It is needed to evaluate the company’s ability to invest, pay dividends, or reduce debt.

📈 Growth & Strength

Operating Income (Core Profit)

Information icon Profit from core operations after deducting all operating expenses. It is needed to measure how efficiently the company runs its primary business activities.

EBITDA (Cash Earnings)

Information icon Earnings before interest, taxes, depreciation, and amortization, indicating operating cash potential. It is needed to compare operating performance across companies without accounting or financing differences.

Gross Profit (Unit Profitability)

Information icon Revenue minus cost of revenue, showing profit after direct production costs. It is needed to evaluate core business profitability before overhead expenses.

🛡️ Financial Safety

Cash (Liquidity Buffer)

Information icon Total cash and cash equivalents on hand. It is needed to evaluate immediate liquidity and financial flexibility.

Total Debt (Leverage Risk)

Information icon Total debt including both short-term and long-term components. It is needed to assess the company’s leverage and financial risk.

Net Working Capital (Short-Term Health)

Information icon Current assets minus current liabilities, indicating short-term liquidity strength. It is needed to assess whether the company can meet its short-term obligations.

🧱 Balance Sheet Strength

Stockholder Equity (Net Worth)

Information icon Total equity value held by shareholders. It is needed to understand the net worth of the company from the owners’ perspective.

Total Assets (Asset Base)

Information icon The full value of everything the company owns, including cash, inventory, equipment, and investments. It is needed to understand the resource base used to generate revenue.

Income Before Tax (Pre-Tax Earnings)

Information icon Income before provision for income taxes. It is needed to analyze profitability independent of tax structures.

⚙️ Cost & Drag Factors

Cost of Revenue (Production Cost)

Information icon Direct costs required to produce and deliver the products or services sold. It is needed to assess efficiency in production and service delivery.

Total Operating Expenses (Operating Cost)

Information icon Indirect costs of running the business such as salaries, marketing, and administration. It is needed to understand how much it costs to sustain ongoing business operations.

Income Tax Expense (Tax Drag)

Information icon Amount of taxes paid or payable to the government. It is needed to evaluate the impact of taxation on overall profitability.

About AC Immune Ltd

Exchange NASDAQ
Headquarters -
IPO Launch date 2016-09-23
Interim CEO & Chairman of the Board Dr. Martin Zugel M.D., Ph.D.
Sector Healthcare
Industry Biotechnology
Full time employees 90
Full time employees 90

AC Immune SA, a clinical stage biopharmaceutical company, discovers, designs, and develops medicines, and therapeutic and diagnostic products for the prevention and treatment of neurodegenerative diseases associated with protein misfolding. The company's SupraAntigen and Morphomer platforms are designed to generate biologics and small molecules, which selectively interact with misfolded proteins that are common in a range of neurodegenerative diseases. It develops Crenezumab, a humanized, conformation specific monoclonal antibody used to slow Alzheimer's disease (AD) progression; and Semorinemab, an investigational monoclonal anti-Tau antibody that targets the N-terminal portion of the Tau protein and is designed to bind to Tau and slow its spread between neurons for the treatment of AD. The company is also developing ACI-24.060 for the treatment of down syndrome related AD; ACI-7104.056 to treat Parkinson's disease; and ACI-35.030, designs to stimulate a patient's immune system to produce antibodies against pathological phosphorylated Tau. In addition, it develops diagnostic programs consisting of PI-2620, a Tau diagnostic for AD, as well as non-AD Tauopathies; and ACI-12589 and ACI-15916, a-sync PET tracer that supports the differential diagnosis of multiple system atrophy from other neurodegenerative diseases. Further, the company is researching and developing Morphomer Tau aggregation inhibitors to evaluate candidates in AD; Morphomer a-syn to compete with small molecule inhibitors of a-syn aggregation; and NeuroOrphan Tauopathies. Additionally, it generates discovery and preclinical stage molecules targeting range of neurodegenerative diseases, which include diagnostics targeting TDP-43, alpha-synuclein, and NLRP3. The company has license agreements and collaborations with Genentech, Inc.; Janssen Pharmaceuticals, Inc.; Life Molecular Imaging SA; and Eli Lilly and Company. AC Immune SA was incorporated in 2003 and is headquartered in Lausanne, Switzerland.