AC Immune SA (ACIU) Fair Value 2026

ACIU · Biotechnology ·

By CirclFi Research Team · Data from SEC EDGAR, FRED & GDELT

Quality Score

5.0 /10

32 fundamental signals · 1 models active

Value Trap Risk

LOW (25/100)

Quick Summary — As of 2026-08-27, AC Immune SA (ACIU) trades at $2.71. QOC: 5.0/10. Value Trap Risk: 25/100 (LOW). 1/13 models active.

Key Facts

Ticker
ACIU
Price
$2.71
Quality Score
5.0/10
Value Trap Risk
25/100
Models Active
1/13
Last Updated
Strength: Regime Cross-Sectional suggests +10.7% upside with 34% confidence
Risk: Limited model coverage (1/13) may reduce confidence

What Fair Value Does Each Model Give ACIU?

1 Intrinsic Value Models vs. Current Price ($2.71)

Core Models (Unlocked)
Model Fair Value Upside
Relative · Medium Conviction
 $3.00 +10.7%

All Models Active

All 1 models are displayed above.

What Is AC Immune SA (ACIU) Worth in 2026?

According to the CirclFi Deep Alpha Valuation Engine, AC Immune SA is potentially undervalued at its current price of $2.71. Based on our 13-model framework, AC Immune SA's intrinsic value is estimated at a median fair value of $3.00 — representing +10.7% implied upside — with 1 out of 1 active models confirming this thesis.

What Do the Models Say About ACIU?

1 of 13 models are currently active for ACIU. All 1 active models suggest the stock trades below fair value. See which stocks rank higher →

How Does ACIU Rank in Biotechnology?

Among 620 Biotechnology stocks, ACIU ranks #307 by Quality of Company score. CirclFi's QOC score of 5.0/10 evaluates 32 fundamental signals. A score of 5.0 reflects mixed fundamentals.

See all Most Undervalued Biotechnology Stocks →

The Biotechnology sector introduces analytical considerations specific to biotechnology enterprise businesses. For AC Immune SA, metrics like R&D burn rate provide important context that general-purpose valuation models may underweight.

Is ACIU a Value Trap?

CirclFi's Value Trap algorithm assigns ACIU a score of 25/100 (LOW). This indicates low risk. The financial profile does not exhibit typical value trap warning signs. The score cross-references apparent undervaluation against fundamental deterioration signals. Browse lowest value-trap stocks →

Multi-Model Methodology

1 of 13 models are active for AC Immune SA. Limited activation may indicate insufficient history. Each model applies a fundamentally different valuation philosophy. See the complete methodology →

According to the CirclFi Deep Alpha Valuation Engine, AC Immune SA scores 5.0 out of 10 on our 32-signal quality assessment, a moderate rating that shows mixed signals across our quality framework with notable weaknesses. The QOC score synthesizes profitability margins, revenue growth reliability, debt management, and capital allocation into a single metric designed to separate durable businesses from statistically cheap ones.

CirclFi runs 13 independent models for each stock. Browse all stocks with 13-model coverage →

Data Sources & Confidence

Every ACIU valuation is built from SEC EDGAR XBRL filings — 700+ standardized financial tags. Macroeconomic context from FRED calibrates discount rates, while GDELT news sentiment feeds into our Sentiment SOTP model. All pipelines run daily. Read the complete data methodology →

Across ACIU's 1 active models, average confidence is 34%. Lower confidence may reflect limited history or high volatility.

CirclFi's output is a research starting point, not a buy/sell signal. All data updates daily. Read the full methodology →

This analysis is produced by the CirclFi Valuation Engine using quantitative models applied to SEC EDGAR filings, public market feeds, and FRED macroeconomic indicators. It is not financial advice.

Read the full investment analysis: Should You Buy AC Immune SA Stock in 2026? →

Bull case, bear case, risk factors & peer comparison — updated daily

Which Similar Biotechnology Stocks Should You Also Analyze?

11 related Biotechnology stocks with 13-model coverage

IMMXImmix Biopharma, Inc.QOC 5.0CELCCelcuity Inc.QOC 5.0BLTEBelite Bio, IncQOC 5.0GERNGeron CorporationQOC 5.0ZBIOZenas BioPharma, Inc.QOC 5.0PRAXPraxis Precision Medicines, Inc.QOC 5.0ALLRAllarity Therapeutics, Inc.QOC 4.4PBMPsyence Biomedical Ltd.QOC 2.0ATNMActinium Pharmaceuticals, Inc.QOC 6.0EXELExelixis, Inc.QOC 9.6INCYIncyte CorporationQOC 9.5

Read investment analysis: IMMX · CELC · BLTE · GERN · ZBIO · PRAX · ALLR · PBM · ATNM · EXEL · INCY

Which Other Stocks Have a Similar Quality Score to ACIU?

4 companies across all industries closest to ACIU’s Quality of Company score of 5.0/10.

VVOSVivos Therapeutics, Inc.QOC 5.0ARXSArxis, Inc.QOC 5.0ADVBAdvanced Biomed Inc.QOC 5.0NVDANVIDIA CorporationQOC 10.0

Read investment analysis: VVOS · ARXS · ADVB · NVDA

Where Does ACIU Sit in CirclFi's Biotechnology Rankings?

ACIU is ranked against every other Biotechnology stock CirclFi covers in each of these screens.

See all Biotechnology stocks ranked →

What Else Do Investors Ask About AC Immune SA’s Valuation?

What is AC Immune SA's intrinsic value in 2026?

CirclFi does not yet have enough active models to publish a median fair value for AC Immune SA (ACIU). The Quality of Company score is 5.0/10 across 32 fundamental signals. All models use SEC EDGAR filings updated daily. See our methodology page for how each model works.

Is ACIU overvalued or undervalued right now?

At $2.71, 1 of 1 active models suggest ACIU may be undervalued, while 0 indicate potential overvaluation. The assessment depends on which methodology best fits AC Immune SA's business model in Biotechnology.

What does a Quality of Company score of 5.0 mean for ACIU?

AC Immune SA's QOC of 5.0/10 reflects 32 fundamental signals: profitability margins, revenue growth consistency, balance sheet leverage, free cash flow generation, and capital allocation efficiency. Scores between 5-7 reflect moderate fundamentals with areas for improvement.

How many valuation models does CirclFi run on ACIU?

CirclFi analyzes ACIU with 13 institutional-grade models daily: Bayesian DCF (Monte Carlo + jump-diffusion), EPV (Greenwald zero-growth), EROIC Spread (McKinsey reinvestment), First Chicago (3-scenario), Markov DDM (regime-switching), ML-RIV (machine learning residual income), Dynamic NAV (asset-based), PWERM (option-theoretic), Regime Cross-Sectional (relative), Sentiment SOTP (hybrid), CUCE Ensemble (meta-model), FTNN Topology (neural network), and RCMH-DCF (conditional regime). Currently 1 of 13 are active for this stock. Read the full methodology →

Is ACIU a value trap in 2026?

AC Immune SA's Value Trap score is 25/100 (LOW). This low score indicates the current valuation is not artificially depressed by fundamental deterioration, suggesting genuine opportunity rather than a trap. Browse stocks by value-trap risk →

Cite this analysis — “CirclFi assigns AC Immune SA (ACIU) a Quality of Company score of 5.0/10 across 32 fundamental signals as of 2026-08-27.” Source: circlfi.com/stock/ACIU/ · Methodology
Primary sources for this ACIU valuation
  • Financial statements: AC Immune SA 10-K and 10-Q filings on SEC EDGAR (CIK 0001651625) — 700+ standardized XBRL tags, published by the U.S. Securities and Exchange Commission.
  • Discount-rate inputs: FRED, Federal Reserve Bank of St. Louis — risk-free rates, VIX, yield curve, inflation.
  • News sentiment: The GDELT Project — global media tone, input to the Sentiment SOTP model.
  • Model definitions: CirclFi methodology — the published specification for all 13 models, including the academic sources each one implements.

Market data for ACIU as of ; valuations recomputed .