AC Immune SA - SHS (ACIU)

CUSIP: H00263105

Q4 2023 13F Holders as of 31 Dec 2023

Share change
+13,219,779
Put/Call ratio
63%
SEC-reported price per share
$5.00
Number of holders
32
Value change
+$66,297,088
Number of buys
17
Open additional details 1 more signal available
Number of sells
9

Security key

H00263105

Report period

Q4 2023

Institutions

32

Top holders

10

Ownership snapshot

Top reported holders of ACIU - AC Immune SA - SHS (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BVF INC/IL
Disclosed value leader
BVF INC/IL
Comparable rows
0/15
Latest evidence
30 Sep 2023
13F Highest disclosed value: $21,170,880 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

BVF INC/IL has the largest disclosed position value at $21.17M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BVF INC/IL's linked filing trail.
Disclosed position value Top 5
BVF INC/IL $21.17M
Avidity Partners Management LP $8.46M
MORGAN STANLEY $4.96M
PLATINUM INVESTMENT MANAGEMENT LTD $3.77M
WELLS FARGO & COMPANY/MN $3.27M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BVF INC/IL
13F
Company
13F
class O/S missing
$21,170,880
7,428,379 shares
30 Sep 2023
Avidity Partners Management LP
13F
Company
13F
class O/S missing
$8,463,930
2,969,800 shares
30 Sep 2023
MORGAN STANLEY
13F
Company
13F
class O/S missing
$4,963,780
1,741,677 shares
30 Sep 2023
PLATINUM INVESTMENT MANAGEMENT LTD
13F
Company
13F
class O/S missing
$3,769,017
1,322,462 shares
30 Sep 2023
WELLS FARGO & COMPANY/MN
13F
Company
13F
class O/S missing
$3,266,345
1,146,086 shares
30 Sep 2023
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
class O/S missing
$1,212,000
425,179 shares
30 Sep 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
32
Shares
29,638,667
Rows available
32
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders
28
Q4 2023 holders
32
Holder diff
4
Investor Q3 2023 Shares Q4 2023 Shares Share Diff Share Chg % Q3 2023 value Q4 2023 value Value change Value Chg %
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .