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AC Immune
ACIU

Overview Fund Activity

41 hedge funds and large institutions have $48.5M invested in AC Immune in 2025 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 15 increasing their positions, 14 reducing their positions, and 9 closing their positions.

Holders
41
Holders Change
-4
Holders Change %
-8.89%
% of All Funds
0.56%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
5
Increased
15
Reduced
14
Closed
9
Calls
$89K
Puts
$43K
Net Calls
+$46K
Net Calls Change
-$91K

Top Buyers

1
BI
1
BVF Inc
California
$37.1M
2
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$679K
3
Marshall Wace
3
Marshall Wace
United Kingdom
$397K
4
Citadel Advisors
4
Citadel Advisors
Florida
$283K
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$445K

Top Sellers

1
RG
1
Redmile Group
California
$0
2
BlackRock
2
BlackRock
New York
$2.16M
3
PIM
3
Platinum Investment Management
Australia
$1.38M
4
Morgan Stanley
4
Morgan Stanley
New York
$135K
5
Two Sigma Investments
5
Two Sigma Investments
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Group One Trading
51
Group One Trading
Illinois
– – – –
Susquehanna International Group
52
Susquehanna International Group
Pennsylvania
– – – –
Simplex Trading
53
Simplex Trading
Illinois
$0 284 +284 New
1 2
3