NASDAQ · ACIU

AC Immune S.A.

Healthcare · Biotechnology

$2.68

Down-$0.03 (-1.12%)

Updated Sep 16, 2026, 8:57 PM

SID Score

5.1/10

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: 93.53K
Avg. volume: 714.24K

Price performance

ACIU price history

1M range · 20 trading sessions · Daily adjusted prices

Last close: $2.68
Period change: +4.28%
Period low: $2.57
Period high: $2.93

Daily close

View OHLC price history

ACIU OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
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
Sep 8, 2026	$2.82	$2.85	$2.77	$2.78	100.87K
Sep 4, 2026	$2.91	$2.94	$2.82	$2.86	155.63K
Sep 3, 2026	$2.85	$3.00	$2.85	$2.93	171.77K
Sep 2, 2026	$2.70	$2.865	$2.70	$2.84	257.18K
Sep 1, 2026	$2.62	$2.68	$2.58	$2.68	103.47K
Aug 31, 2026	$2.67	$2.735	$2.61	$2.64	132.96K
Aug 28, 2026	$2.73	$2.77	$2.65	$2.65	105.71K
Aug 27, 2026	$2.83	$2.91	$2.685	$2.71	169.43K
Aug 26, 2026	$2.94	$2.98	$2.77	$2.85	269.06K
Aug 25, 2026	$2.85	$2.965	$2.85	$2.92	241.3K
Aug 24, 2026	$2.91	$3.00	$2.7986	$2.86	371.17K
Aug 21, 2026	$2.66	$2.945	$2.65	$2.90	442.01K
Aug 20, 2026	$2.60	$2.65	$2.435	$2.64	237.11K
Aug 19, 2026	$2.60	$2.69	$2.565	$2.58	280.71K
Aug 18, 2026	$2.54	$2.59	$2.505	$2.57	90.23K

Latest ACIU news

The latest Smart Investors Daily articles mentioning ACIU.

analystAug 21, 2026

BTIG Reiterates Buy Rating on AC Immune S.A. (ACIU)

Latest ACIU news

The latest Smart Investors Daily articles mentioning ACIU.

Stock researchResearch & News · SEC Filings

Company

Overview Forecast Earnings Dividend Financials

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Research & News

Analysis Competitors News SEC Filings SID Coverage

ACIU research

SEC Filings

Recent regulatory filings and source documents.

SEC filing history

Open a filing to view the original source document.

ACIU SEC filings
Filed	Form	Description	Accepted	Document
Dec 11, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 4, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 4, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 5, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 20, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 11, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 19, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 30, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 13, 2025	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Dec 18, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Dec 10, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 5, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 19, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 17, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 28, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 6, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 6, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jul 31, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jul 25, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 20, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 21, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 13, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 13, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 14, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 22, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 3, 2024	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Dec 19, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Dec 15, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Dec 1, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 3, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 4, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jul 26, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 27, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 26, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 24, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 28, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 16, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Mar 10, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jan 26, 2023	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Nov 30, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Oct 28, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Sep 26, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Aug 2, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jul 28, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 24, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Jun 16, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
May 25, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 28, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source
Apr 8, 2022	6-K	Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]	—	Open source

Filed

Form

Description

Accepted

Document

Dec 11, 2025

6-K