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AC Immune

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.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

34% less capital invested

Capital invested by funds: $73.9M → $48.5M (-$25.4M)

44% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 9

Holders
41
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$89K
Puts
$43K
Net Calls
Net Calls Change

Top Buyers

1 +$561K
2 +$316K
3 +$273K
4
Citadel Advisors
Citadel Advisors
Florida
+$269K
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$199K

Top Sellers

1 -$2.79M
2 -$1.97M
3 -$398K
4
Morgan Stanley
Morgan Stanley
New York
-$177K
5
Two Sigma Investments
Two Sigma Investments
New York
-$110K
Name Holding Trade Value Shares
Change
Change in
Stake
1
$37.1M
2
$2.16M
3
$1.87M
4
$1.5M
5
$1.38M
6
$705K
7
$679K
8
$474K
9
$445K
10
$398K
11
$397K
12
$283K
13
$243K
14
$188K
15
$135K
16
$120K
17
$50K
18
$46.6K
19
$44.2K
20
$41.9K
21
$37.4K
22
$37.1K
23
$31.2K
24
$18.9K
25
$18.7K