Ac Immune SAACIU
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 43 institutions reported holding Ac Immune SA (ACIU) in their 13F filings, down 4 from Q1 2026. 6 opened new positions and 9 sold out. The largest holders were BVF Inc. ($47.2M), Wells Fargo & Company ($2.4M) and Renaissance Technologies ($2.0M). 3 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 Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Ac Immune SA
- CUSIP
- H00263105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $342K |
| Exits | 9 | $1.9M |
All 13F filers, Q1 2026 → Q2 2026: 482,155 shares bought and 1,092,687 shares sold, net −610,532 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 43 holders
| BVF Inc. | 1.21% | No change | 19,822,436 | $47.2M |
| Wells Fargo & Company | 0.00% | Reduce -0.0% | 1,004,041 | $2.4M |
| Renaissance Technologies | 0.00% | Add +34.6% | 840,127 | $2.0M |
| Millennium Management | 0.00% | Reduce -2.4% | 773,594 | $1.8M |
| BlackRock, Inc. | 0.00% | Reduce -0.9% | 519,274 | $1.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -12.8% | 340,082 | $812K |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -42.6% | 232,953 | $554K |
| Citadel Advisors | 0.00% | Reduce -22.3% | 207,606 | $494K |
| Morgan Stanley | 0.00% | Add +47.7% | 131,815 | $314K |
| Two Sigma Investments, LP | 0.00% | Add +163.0% | 102,825 | $245K |
| Qube Research & Technologies Ltd | 0.00% | New | 92,351 | $220K |
| UBS Group AG | 0.00% | Reduce -15.8% | 85,614 | $204K |
| Geode Capital Management, LLC | 0.00% | Reduce -2.8% | 61,854 | $147K |
| Susquehanna International Group, LLP | 0.00% | Reduce -40.2% | 53,369 | $127K |
| Jump Financial, LLC | 0.00% | Add +116.3% | 24,064 | $57K |
| Jane Street Group, LLC | 0.00% | Reduce -66.3% | 19,475 | $46K |
| Verdad Advisers, LP | 0.04% | New | 16,300 | $39K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -9.3% | 16,197 | $39K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -33.0% | 14,497 | $35K |
| Quadrature Capital Ltd | 0.00% | New | 12,991 | $31K |
| SG Americas Securities, LLC | 0.00% | New | 10,327 | $25K |
| Axq Capital, LP | 0.00% | New | 10,398 | $25K |
| Quinn Opportunity Partners LLC | 0.00% | No change | 10,100 | $24K |
| Silverberg Bernstein Capital Management LLC | 0.01% | No change | 10,000 | $24K |
| EFG International AG | 0.00% | No change | 9,900 | $24K |
| JPMorgan Chase & Co. | 0.00% | Add +2.1% | 7,798 | $21K |
| Barclays PLC | 0.00% | Add +25.7% | 7,278 | $17K |
| Banque Cantonale Vaudoise | 0.00% | No change | 7,021 | $17K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -13.3% | 4,552 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -41.5% | 4,101 | $10K |
| Citigroup Inc. | 0.00% | Add +42.7% | 4,012 | $10K |
| BNP Paribas Financial Markets | 0.00% | Add +12.0% | 2,699 | $6K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -7.0% | 2,084 | $5K |
| Forum Finance Group S.A. | 0.00% | No change | 2,000 | $4K |
| Royal Bank of Canada | 0.00% | Add +49.9% | 1,289 | $3K |
| SBI Securities Co., Ltd. | 0.00% | New | 1,197 | $3K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $2K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 1,000 | $2K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 1,000 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.5% | 220 | $523 |
| Strengthening Families & Communities, LLC | 0.00% | No change | 200 | $476 |
| Farther Finance Advisors, LLC | 0.00% | No change | 43 | $102 |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +1066.7% | 35 | $83 |
"% of holder's portfolio" is ACIU's weight in each manager's 13F, not the share of Ac Immune SA the manager owns.