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NASDAQ:ACIU

AC Immune (ACIU) Stock Price, News & Analysis

AC Immune logo
$2.63 -0.05 (-1.87%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$2.64 +0.00 (+0.19%)
As of 09/18/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

About AC Immune Stock (NASDAQ:ACIU)

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Key Stats

Today's Range
$2.63
$2.81
50-Day Range
$2.18
$2.93
52-Week Range
$2.10
$4.00
Volume
68,460 shs
Average Volume
167,657 shs
Market Capitalization
$267.66 million
P/E Ratio
N/A
Dividend Yield
N/A
Price Target
$7.50
Consensus Rating
Moderate Buy

Company Overview

AC Immune SA (NASDAQ: ACIU) is a clinical-stage biopharmaceutical company headquartered in Lausanne, Switzerland. Founded in 2003, the company develops precision medicines and diagnostic products designed to prevent, diagnose and treat neurodegenerative diseases, including Alzheimer’s disease, Parkinson’s disease and other conditions associated with misfolded proteins.

AC Immune’s research is based on its SupraAntigen and Morphomer technology platforms, which are intended to identify disease-related proteins and generate therapies or diagnostic tools that target them. Its pipeline has included vaccine and antibody-based approaches aimed at amyloid-beta and tau, as well as programs addressing other proteins linked to neurodegeneration. The company has also pursued collaborations with larger pharmaceutical companies to advance selected candidates.

AC Immune serves the global biopharmaceutical and healthcare markets through research and development conducted primarily in Switzerland and through international partnerships and clinical studies. Andrea Pfeifer has served as the company’s chief executive officer and has been associated with its leadership since its early development.

AI Generated. May Contain Errors.

AC Immune Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
45th Percentile Overall Score

ACIU MarketRank™: 

AC Immune scored higher than 45% of companies evaluated by MarketBeat, and ranked 572nd out of 897 stocks in the healthcare sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    AC Immune has received a consensus rating of Moderate Buy. The company's average rating score is 2.50, and is based on no strong buy ratings, 3 buy ratings, no hold ratings, and 1 sell rating.

  • Upside Potential

    AC Immune has a consensus price target of $7.50, representing about 185.2% upside from its current price of $2.63.

  • Amount of Analyst Coverage

    AC Immune has only been the subject of 3 research reports in the past 90 days.

  • Read more about AC Immune's stock forecast and price target.
  • Earnings Growth

    Earnings for AC Immune are expected to grow in the coming year, from ($0.60) to $0.17 per share.

  • Price to Earnings Ratio vs. the Market

    The P/E ratio of AC Immune is -4.87, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Earnings Ratio vs. Sector

    The P/E ratio of AC Immune is -4.87, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.

  • Price to Book Value per Share Ratio

    AC Immune has a P/B Ratio of 4.87. P/B Ratios above 3 indicate that a company could be overvalued with respect to its assets and liabilities.

  • Read more about AC Immune's valuation and earnings.
  • Percentage of Shares Shorted

    3.39% of the float of AC Immune has been sold short.
  • Short Interest Ratio / Days to Cover

    AC Immune has a short interest ratio ("days to cover") of 14.99, which indicates bearish sentiment.
  • Change versus previous month

    Short interest in AC Immune has recently decreased by 3.22%, indicating that investor sentiment is improving.
  • Dividend Yield

    AC Immune does not currently pay a dividend.

  • Dividend Growth

    AC Immune does not have a long track record of dividend growth.

  • Search Interest

    3 people have searched for ACIU on MarketBeat in the last 30 days. This is an increase of 200% compared to the previous 30 days.
  • MarketBeat Follows

    1 people have added AC Immune to their MarketBeat watchlist in the last 30 days.
  • Insider Buying vs. Insider Selling

    In the past three months, AC Immune insiders have not sold or bought any company stock.

  • Percentage Held by Insiders

    4.60% of the stock of AC Immune is held by insiders.

  • Percentage Held by Institutions

    51.36% of the stock of AC Immune is held by institutions. High institutional ownership can be a signal of strong market trust in this company.

  • Read more about AC Immune's insider trading history.
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ACIU Stock News Headlines

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ACIU Stock Analysis - Frequently Asked Questions

AC Immune's stock was trading at $3.14 at the start of the year. Since then, ACIU stock has decreased by 16.2% and is now trading at $2.63.

AC Immune (NASDAQ:ACIU) posted its quarterly earnings results on Thursday, August, 6th. The company reported $0.03 earnings per share for the quarter, beating the consensus estimate of ($0.10) by $0.13. The company earned $18.67 million during the quarter, compared to analyst estimates of $9.59 million. AC Immune had a negative trailing twelve-month return on equity of 100.17% and a negative net margin of 245.32%.

AC Immune (ACIU) raised $72 million in an initial public offering on Friday, September 23rd 2016. The company issued 6,000,000 shares at a price of $11.00-$13.00 per share. Credit Suisse, Jefferies and Leerink Partners acted as the underwriters for the IPO.

Top institutional investors of AC Immune include AXQ Capital LP (0.01%).
View institutional ownership trends
.

Shares of ACIU stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

Based on aggregate information from My MarketBeat watchlists, some other companies that AC Immune investors own include Meta Platforms (META), NVIDIA (NVDA), Corbus Pharmaceuticals (CRBP), Sorrento Therapeutics (SRNE), Tesla (TSLA), Advanced Micro Devices (AMD) and Canopy Growth (CGC).

Company Calendar

Last Earnings
8/06/2026
Today
9/20/2026
Next Earnings (Estimated)
11/03/2026
Fiscal Year End
12/31/2026

Industry, Sector and Symbol

Stock Exchange
NASDAQ
Industry
Biotechnology
Sub-Industry
Biotechnology
Current Symbol
NASDAQ:ACIU
CIK
1651625
Employees
106
Year Founded
2003

Price Target and Rating

High Price Target
$8.00
Low Price Target
$7.00
Potential Upside/Downside
+185.2%
Consensus Rating
Moderate Buy
Rating Score (0-4)
2.50
Research Coverage
4 Analysts

Profitability

EPS (Trailing Twelve Months)
($0.54)
Trailing P/E Ratio
N/A
Forward P/E Ratio
N/A
P/E Growth
N/A
Net Income
-$85.03 million
Net Margins
-245.32%
Pretax Margin
-1,796.18%
Return on Equity
-100.17%
Return on Assets
-28.36%

Debt

Debt-to-Equity Ratio
0.11
Current Ratio
0.93
Quick Ratio
1.02

Sales & Book Value

Annual Sales
$4.31 million
Price / Sales
62.10
Cash Flow
N/A
Price / Cash Flow
N/A
Book Value
$0.54 per share
Price / Book
4.87

Miscellaneous

Outstanding Shares
101,770,000
Free Float
97,092,000
Market Cap
$267.66 million
Optionable
Optionable
Beta
1.60

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This page (NASDAQ:ACIU) was last updated on 9/20/2026 by MarketBeat.com Staff.
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