AC Immune SA - SHS (ACIU)

CUSIP: H00263105

Q4 2025 13F Holders as of 31 Dec 2025

Share change
+1,138,827
Put/Call ratio
26%
SEC-reported price per share
$3.14
Number of holders
41
Value change
+$3,696,825
Number of buys
21
Open additional details 1 more signal available
Number of sells
15

Security key

H00263105

Report period

Q4 2025

Institutions

41

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 2025
13F Highest disclosed value: $57,286,840 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 $57.29M.

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 $57.29M
WELLS FARGO & COMPANY/MN $2.92M
MILLENNIUM MANAGEMENT LLC $2.59M
RENAISSANCE TECHNOLOGIES LLC $2.23M
BlackRock, Inc. $1.19M

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
$57,286,840
19,822,436 shares
30 Sep 2025
WELLS FARGO & COMPANY/MN
13F
Company
13F
class O/S missing
$2,920,405
1,010,521 shares
30 Sep 2025
MILLENNIUM MANAGEMENT LLC
13F
Company
13F
class O/S missing
$2,585,197
894,532 shares
30 Sep 2025
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
class O/S missing
$2,226,511
770,419 shares
30 Sep 2025
BlackRock, Inc.
13F
Company
13F
class O/S missing
$1,190,241
411,848 shares
30 Sep 2025
ACADIAN ASSET MANAGEMENT LLC
13F
Company
13F
class O/S missing
$1,179,000
413,237 shares
30 Sep 2025
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 2025

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

Institutions
41
Shares
25,775,348
Rows available
41
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 2025 vs Q3 2025 Across Filers

Q3 2025 holders
40
Q4 2025 holders
41
Holder diff
1
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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