Security key
H00263105
- Security type / class
- Equity / SHS
- Total 13F shares
- 25,080,151
- Total 13F value
- $68,965,496
- Share change
- -697,127
- Put/Call ratio
- 10%
- SEC-reported price per share
- $2.75
- Number of holders
- 46
- Value change
- -$2,073,707
- Number of buys
- 20
- Number of sells
- 19
Open additional details 1 more signal available
Report period
Q1 2026
Institutions
46
Top holders
10
ACIU full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
AC Immune SA SEC filings
AC Immune SA company facts
Broader feeds
Reporting periods
Holder history for CUSIP H00263105
Recent filing periods:
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
18 Mar 2026
13F
3/4/5
Highest disclosed value: $62,242,449
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 $62.24M.
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
$62.24M
WELLS FARGO & COMPANY/MN
$3.16M
MILLENNIUM MANAGEMENT LLC
$2.93M
RENAISSANCE TECHNOLOGIES LLC
$2.1M
BlackRock, Inc.
$1.58M
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
|
—
class O/S missing
|
$62,242,449
19,822,436 shares
|
— | 31 Dec 2025 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
—
class O/S missing
|
$3,159,749
1,006,289 shares
|
— | 31 Dec 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$2,930,694
933,342 shares
|
— | 31 Dec 2025 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$2,100,242
668,867 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$1,576,811
502,169 shares
|
— | 31 Dec 2025 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$1,441,000
464,697 shares
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
46
Shares
25,080,151
Rows available
46
| 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 Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
46
Q1 2026 holders
46
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend