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AC
NASDAQ · ACIU
AC Immune S.A.
Healthcare · Biotechnology
$2.57
Down-$0.02 (-0.78%)
Updated Oct 8, 2026, 8:11 PM
SID Score
4.1/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 294.76M
- P/E ratio
- -3.11
- Dividend yield
- 0.00%
- 52-week range
- $2.10 – $3.49
- Volume
- 125.08K
- Avg. volume
- 714.24K
Price performance · ACIU
ACIU price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Oct 7, 2026
ACIU closed at $2.57 after 21 trading sessions, down 6.88% for the selected period.
- Last close
- $2.57
- Period change
- -6.88%
- Period low
- $2.52
- Period high
- $2.83
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 7, 2026 | $2.52 | $2.59 | $2.50 | $2.57 | 125.08K |
| Oct 6, 2026 | $2.72 | $2.72 | $2.51 | $2.52 | 277.84K |
| Oct 5, 2026 | $2.68 | $2.745 | $2.65 | $2.71 | 221.4K |
| Oct 2, 2026 | $2.84 | $2.88 | $2.69 | $2.725 | 320.26K |
| Oct 1, 2026 | $2.64 | $2.835 | $2.57 | $2.81 | 352.7K |
| Sep 30, 2026 | $2.63 | $2.745 | $2.61 | $2.62 | 199.65K |
| Sep 29, 2026 | $2.65 | $2.66 | $2.56 | $2.60 | 139.23K |
| Sep 28, 2026 | $2.52 | $2.62 | $2.405 | $2.61 | 189.12K |
| Sep 25, 2026 | $2.66 | $2.66 | $2.452 | $2.52 | 323.58K |
| Sep 24, 2026 | $2.85 | $2.85 | $2.66 | $2.66 | 265.29K |
| Sep 23, 2026 | $2.90 | $2.9069 | $2.6689 | $2.83 | 492.82K |
| Sep 22, 2026 | $2.69 | $2.75 | $2.66 | $2.73 | 78.09K |
| Sep 21, 2026 | $2.63 | $2.72 | $2.57 | $2.655 | 109.43K |
| Sep 18, 2026 | $2.69 | $2.8063 | $2.625 | $2.63 | 68.46K |
| Sep 17, 2026 | $2.71 | $2.74 | $2.66 | $2.68 | 93.35K |
| Sep 16, 2026 | $2.68 | $2.73 | $2.61 | $2.65 | 124.4K |
| Sep 15, 2026 | $2.65 | $2.70 | $2.59 | $2.68 | 93.53K |
| Sep 14, 2026 | $2.69 | $2.75 | $2.66 | $2.66 | 111.83K |
| Sep 11, 2026 | $2.70 | $2.775 | $2.68 | $2.76 | 105.37K |
| Sep 10, 2026 | $2.74 | $2.77 | $2.68 | $2.69 | 157.53K |
| Sep 9, 2026 | $2.78 | $2.81 | $2.725 | $2.76 | 146.57K |
Latest ACIU news
The latest Smart Investors Daily articles mentioning ACIU.
Stock researchCompany · Overview
Company
Market Activity
Research & News
ACIU research
Overview
Company profile and research snapshot.
Company profile
AC Immune SA is a clinical-stage biopharmaceutical company that focuses on neurodegenerative diseases. The company uses its proprietary technology platforms to discover, design, and develop novel proprietary small molecules, antibodies, and vaccines for the prevention, diagnosis, and treatment of neurodegenerative diseases associated with protein misfolding. The Company has one segment. The Company currently focuses mostly of its resources on discovering and developing therapeutic and diagnostic products targeting misfolded proteins. The company's pipeline consists of ACI-24.060, Crenezumab, ACI-35.030, Semorinemab, ACI-7104.056, and others.
Visit company websiteAnalyst outlook
Consensus and target data currently published for this company.
- Consensus
- Buy
- Average target
- $9.00
- Implied upside
- —
- Analysts
- 9
| Date | Firm | Rating | Target |
|---|---|---|---|
| Sep 23, 2026 | BTIG | Buy | — |
| Aug 20, 2026 | BTIG | Buy | — |
| Aug 5, 2026 | BTIG | Buy | — |
| May 4, 2026 | BTIG | Buy | — |
| Mar 16, 2026 | BTIG | Buy | — |
News briefing
Generated Oct 8, 2026, 9:01 PM
Why Is ACIU Down Today?
AC Immune shares declined 0.78% today in a relatively muted session, reflecting broader market caution in the biotech sector. While no company-specific news directly impacts ACIU today, the modest pullback suggests investors are reassessing positions amid mixed signals from peer companies in the therapeutic space.
Bottom line: ACIU's modest 0.78% decline appears driven by sector-wide caution rather than company-specific negative news, suggesting the market is awaiting concrete catalysts such as clinical trial updates or partnership announcements. Investors should monitor upcoming data readouts and pipeline progress closely, as AC Immune's long-term prospects depend heavily on successful development of its neurodegenerative disease candidates.
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