Ac Immune SAACIU
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 42 institutions reported holding Ac Immune SA (ACIU) in their 13F filings, up 2 from Q3 2025. 6 opened new positions and 6 sold out. The largest holders were BVF Inc. ($62.2M), Wells Fargo & Company ($3.2M) and Millennium Management ($2.9M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Ac Immune SA
- CUSIP
- H00263105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $3.4M |
| Exits | 6 | $1.4M |
All 13F filers, Q3 2025 → Q4 2025: 1,749,341 shares bought and 610,840 shares sold, net +1,138,501 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 42 holders
| BVF Inc. | 2.10% | No change | 19,822,436 | $62.2M |
| Wells Fargo & Company | 0.00% | Reduce -0.4% | 1,006,289 | $3.2M |
| Millennium Management | 0.00% | Add +4.3% | 933,342 | $2.9M |
| Renaissance Technologies | 0.00% | Reduce -13.2% | 668,867 | $2.1M |
| BlackRock, Inc. | 0.00% | Add +21.9% | 502,169 | $1.6M |
| Acadian Asset Management LLC | 0.00% | Add +12.4% | 464,697 | $1.4M |
| Point72 Asset Management | 0.00% | New | 384,845 | $1.2M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 375,623 | $1.2M |
| Northern Trust Corp. | 0.00% | No change | 281,953 | $885K |
| Dimensional Fund Advisors LP | 0.00% | Add +20.5% | 213,464 | $670K |
| UBS Group AG | 0.00% | Add +1083.3% | 194,349 | $610K |
| Marshall Wace, LLP | 0.00% | New | 186,709 | $586K |
| Susquehanna International Group, LLP | 0.00% | Add +575.9% | 147,625 | $464K |
| Dauntless Investment Group, LLC | 1.34% | New | 115,677 | $363K |
| Deeter Investments LLP | 0.07% | — | 100,000 | $314K |
| Morgan Stanley | 0.00% | Add +2.5% | 94,345 | $296K |
| Two Sigma Investments, LP | 0.00% | Add +423.9% | 87,884 | $276K |
| Citadel Advisors | 0.00% | Add +253.8% | 71,151 | $223K |
| Geode Capital Management, LLC | 0.00% | No change | 63,601 | $200K |
| Bank of America Corp. | 0.00% | Add +262.9% | 21,471 | $67K |
| Goldman Sachs Group Inc. | 0.00% | Add +46.9% | 18,555 | $58K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -7.0% | 16,362 | $51K |
| Sei Investments Co. | 0.00% | No change | 15,884 | $50K |
| EFG International AG | 0.00% | — | 12,900 | $41K |
| Jane Street Group, LLC | 0.00% | New | 10,710 | $34K |
| Quinn Opportunity Partners LLC | 0.00% | No change | 10,100 | $32K |
| Silverberg Bernstein Capital Management LLC | 0.02% | No change | 10,000 | $31K |
| JPMorgan Chase & Co. | 0.00% | Add +20.1% | 8,721 | $27K |
| Banque Cantonale Vaudoise | 0.00% | Reduce -57.2% | 7,892 | $25K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +86.5% | 6,166 | $19K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +25.7% | 4,879 | $15K |
| Leonteq Securities AG | 0.00% | New | 3,000 | $9K |
| Citigroup Inc. | 0.00% | Add +45.0% | 2,801 | $9K |
| Barclays PLC | 0.00% | Reduce -48.9% | 2,701 | $8K |
| BNP Paribas Financial Markets | 0.00% | Reduce -11.5% | 2,480 | $8K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -8.7% | 1,972 | $6K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $3K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 1,000 | $3K |
| Royal Bank of Canada | 0.00% | Reduce -52.5% | 858 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -0.2% | 547 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -11.9% | 221 | $693 |
| Strengthening Families & Communities, LLC | 0.00% | No change | 200 | $628 |
"% of holder's portfolio" is ACIU's weight in each manager's 13F, not the share of Ac Immune SA the manager owns.