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AC Immune
ACIU
2.869
8.67% ( +0.229 )
Trading: Aug 21, 12:14:29 (EDT)
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Overview
Overview
Options
Options
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Public and others
34.61%
VC/PE firms
28.48%
Hedge funds
19.94%
Private companies
6.47%
Others
10.51%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
BVF Partners L.P.
19.94%
19.82M
0.45%
+0
03/31/2026
dievini Hopp BioTech holding GmbH & Co. KG
16.41%
16.32M
0.37%
+0
03/01/2026
Varuma AG
12.07%
12.00M
0.27%
+0
03/01/2026
AFFiRiS AG
6.47%
6.43M
0.15%
+0
03/01/2026
Andrea Pfeifer
Former Co-Founder, CEO & Director
3.86%
3.83M
0.03%
-20.00K
05/15/2026
Wells Fargo & Company
1.01%
1.00M
0.02%
-2.01K
03/31/2026
Renaissance Technologies LLC
0.84%
840.13K
0.22%
+215.76K
06/30/2026
Millennium Management LLC
0.80%
792.66K
0.12%
-140.69K
03/31/2026
Friedrich von Bohlen und Halbach
Former Independent Non-Executive Director
0.69%
687.13K
0.02%
+0
03/01/2026
BlackRock, Inc.
0.52%
519.27K
<0.01%
-5.00K
06/30/2026
Christof Hettich
Former Director
0.47%
470.78K
0.01%
+0
03/01/2026
Mathias Hothum
Former Non-Executive Director
0.36%
360.82K
<0.01%
+0
03/01/2026
Dimensional Fund Advisors LP
0.34%
340.08K
0.05%
-50.08K
06/30/2026
Citadel Advisors LLC
0.27%
267.23K
0.20%
+196.08K
03/31/2026
Arrowstreet Capital, Limited Partnership
0.23%
232.95K
0.17%
-172.71K
06/30/2026
Piergiorgio Donati
Chief Operating Officer
0.14%
141.12K
0.12%
+116.60K
03/20/2026
Ariad Asset Management GmbH
0.13%
130.00K
<0.01%
+0
02/28/2025
Susquehanna International Group, LLP
0.09%
89.26K
0.06%
-58.36K
03/31/2026
UBS Asset Management AG
0.09%
85.61K
0.02%
-16.02K
06/30/2026
Howard Donovan
Former Chief Human Resources Officer
0.06%
64.52K
0.05%
+44.38K
03/01/2026