AC Immune SA

NasdaqGM:ACIU Stock Report

Market Cap: US$254.0m

AC Immune Ownership

Who are the major shareholders and have insiders been buying or selling?


Recent Insider Transactions

NasdaqGM:ACIU Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
15 May 26SellUS$27,935Andrea PfeiferIndividual10,000US$2.79
15 Apr 26SellUS$31,425Andrea PfeiferIndividual10,000US$3.14

Insider Trading Volume

Insider Buying: ACIU insiders have only sold shares in the past 3 months.


Ownership Breakdown

What is the ownership structure of ACIU?
Owner TypeNumber of SharesOwnership Percentage
Institutions5,437,9115.48%
Individual Insiders5,717,7445.76%
Private Companies6,428,1006.48%
Hedge Funds19,822,43620%
VC/PE Firms28,316,74128.5%
General Public33,478,22033.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.


Top Shareholders

Top 25 shareholders own 65.68% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
20%
BVF Partners L.P.
19,822,436US$50.7m0%1.27%
16.5%
dievini Hopp BioTech holding GmbH & Co. KG
16,316,742US$41.8m0%13.12%
12.1%
Varuma AG
11,999,999US$30.7m0%100.0%
6.48%
AFFiRiS AG
6,428,100US$16.5m0%no data
3.87%
Andrea Pfeifer
3,834,288US$9.8m-0.52%no data
1.01%
Wells Fargo & Company
1,004,284US$2.6m-0.2%no data
0.8%
Millennium Management LLC
792,657US$2.0m-15.1%no data
0.69%
Friedrich von Bohlen und Halbach
687,128US$1.8m0%no data
0.63%
Renaissance Technologies LLC
624,367US$1.6m-6.65%no data
0.53%
BlackRock, Inc.
524,278US$1.3m4.4%no data
0.47%
Christof Hettich
470,779US$1.2m0%no data
0.41%
Arrowstreet Capital, Limited Partnership
405,658US$1.0m8%no data
0.39%
Dimensional Fund Advisors LP
390,165US$998.8k82.8%no data
0.36%
Mathias Hothum
360,820US$923.7k0%no data
0.28%
Northern Trust Global Investments
278,513US$713.0k-1.22%no data
0.27%
Citadel Advisors LLC
267,233US$684.1k276%no data
0.14%
Piergiorgio Donati
141,120US$361.3k476%no data
0.13%
Marshall Wace LLP
131,458US$336.5k-29.6%no data
0.13%
Ariad Asset Management GmbH
130,000US$332.8k0%0.25%
0.11%
Dauntless Investment Group, Llc
107,489US$275.2k-7.08%0.77%
0.1%
UBS Asset Management AG
101,629US$260.2k-47.7%no data
0.098%
Acadian Asset Management LLC
96,907US$248.1k-79.2%no data
0.09%
Susquehanna International Group, LLP
89,262US$228.5k-39.5%no data
0.09%
Morgan Stanley
88,838US$227.4k-5.42%no data
0.065%
Howard Donovan
64,517US$165.2k220%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/29 22:15
End of Day Share Price 2026/06/26 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

AC Immune SA is covered by 5 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Thomas ShraderBTIG
Andrew FeinH.C. Wainwright & Co.
Lucy CodringtonJefferies LLC