AC Immune SA - ACIU
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 5 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BVF INC/IL | History | No change | 19,822,436 | 62,242 | 2.1% | 2.32% | 1 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 1,006,289 | 3,159 | 0.0% | 0.0% | 2 | -4,232 | -0.42% | Q4 2025 | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 933,342 | 2,930 | 0.0% | 0.0% | 3 | -56,090 | -5.67% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 668,867 | 2,100 | 0.0% | 0.0% | 4 | -101,552 | -13.18% | Q4 2025 | Feb 12, 2026 |
| BlackRock, Inc. | History | Added to | 502,169 | 1,576 | 0.0% | 0.0% | 5 | +90,321 | 21.93% | Q4 2025 | Feb 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 464,697 | 1,441 | 0.0% | 0.0% | 6 | +51,460 | 12.45% | Q4 2025 | Feb 10, 2026 |
| Point72 Asset Management, L.P. | History | New | 412,745 | 1,296 | 0.0% | — | 7 | +412,745 | New | Q4 2025 | Feb 17, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | New | 375,623 | 1,179 | 0.0% | — | 8 | +375,623 | New | Q4 2025 | Feb 13, 2026 |
| NORTHERN TRUST CORP | History | No change | 281,953 | 885 | 0.0% | 0.0% | 9 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 213,464 | 670 | 0.0% | 0.0% | 10 | +36,353 | 20.53% | Q4 2025 | Feb 12, 2026 |
| GROUP ONE TRADING LLC | History | New | 199,000 | 624 | 0.0% | — | 11 | +199,000 | New | Q4 2025 | Feb 12, 2026 |
| UBS Group AG | History | Added to | 194,349 | 610 | 0.0% | 0.0% | 12 | +177,925 | 1083.32% | Q4 2025 | Jan 29, 2026 |
| MARSHALL WACE, LLP | History | New | 186,709 | 586 | 0.0% | — | 13 | +186,709 | New | Q4 2025 | Feb 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 186,025 | 584 | 0.0% | 0.0% | 14 | +164,185 | 751.76% | Q4 2025 | Feb 17, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 133,051 | 417 | 0.0% | 0.0% | 15 | +90,438 | 212.23% | Q4 2025 | Feb 17, 2026 |
| Dauntless Investment Group, LLC | History | New | 115,677 | 363 | 0.29% | — | 16 | +115,677 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 94,345 | 296 | 0.0% | 0.0% | 17 | +2,312 | 2.51% | Q4 2025 | Feb 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 87,884 | 275 | 0.0% | 0.0% | 18 | +71,109 | 423.9% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 63,601 | 199 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| JANE STREET GROUP, LLC | History | New | 42,610 | 133 | 0.0% | — | 20 | +42,610 | New | Q4 2025 | Feb 12, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 30,500 | 95 | 0.0% | 0.0% | 21 | +20,642 | 209.39% | Q4 2025 | Feb 11, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 21,471 | 67 | 0.0% | 0.0% | 22 | +15,555 | 262.93% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 18,555 | 58 | 0.0% | 0.0% | 23 | +5,920 | 46.85% | Q4 2025 | Mar 25, 2026 |
| China Universal Asset Management Co., Ltd. | History | Reduced | 16,362 | 51 | 0.0% | 0.0% | 24 | -1,238 | -7.03% | Q4 2025 | Jan 29, 2026 |
| SEI INVESTMENTS CO | History | No change | 15,884 | 49 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| EFG International AG | History | New | 12,900 | 40 | 0.0% | — | 26 | +12,900 | New | Q4 2025 | Feb 17, 2026 |
| Quinn Opportunity Partners LLC | History | No change | 10,100 | 31 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Silverberg Bernstein Capital Management LLC | History | No change | 10,000 | 31 | 0.02% | 0.02% | 28 | 0 | 0.0% | Q4 2025 | Jan 12, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 8,721 | 27 | 0.0% | 0.0% | 29 | +1,462 | 20.14% | Q4 2025 | Feb 11, 2026 |
| Banque Cantonale Vaudoise | History | Reduced | 7,892 | 25 | 0.0% | 0.0% | 30 | -10,548 | -57.2% | Q4 2025 | Feb 06, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 6,166 | 19 | 0.0% | 0.0% | 31 | +2,860 | 86.51% | Q4 2025 | Feb 17, 2026 |
| Mirae Asset Global Investments Co., Ltd. | History | Added to | 4,879 | 15 | 0.0% | 0.0% | 32 | +997 | 25.68% | Q4 2025 | Jan 26, 2026 |
| Leonteq Securities AG | History | New | 3,000 | 9 | 0.0% | — | 33 | +3,000 | New | Q4 2025 | Feb 06, 2026 |
| BARCLAYS PLC | History | Reduced | 2,701 | 8 | 0.0% | 0.0% | 34 | -2,589 | -48.94% | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Added to | 2,801 | 8 | 0.0% | 0.0% | 35 | +870 | 45.05% | Q4 2025 | Feb 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 2,480 | 7 | 0.0% | 0.0% | 36 | -323 | -11.52% | Q4 2025 | Feb 10, 2026 |
| GF FUND MANAGEMENT CO. LTD. | History | Reduced | 1,972 | 6 | 0.0% | 0.0% | 37 | -188 | -8.7% | Q4 2025 | Jan 27, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 1,000 | 3 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q4 2025 | Mar 16, 2026 |
| Activest Wealth Management | History | No change | 1,000 | 3 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| ROYAL BANK OF CANADA | History | New | 858 | 2 | 0.0% | — | 40 | +858 | New | Q4 2025 | Feb 17, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 547 | 1 | 0.0% | 0.0% | 41 | -1 | -0.18% | Q4 2025 | Feb 03, 2026 |
| DEUTSCHE BANK AG\ | History | Closed out | 0 | 0 | — | 0.0% | — | -253,375 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Assenagon Asset Management S.A. | History | Closed out | 0 | 0 | — | 0.0% | — | -189,892 | -100.0% | Q3 2025 | Oct 07, 2025 |
| TWO SIGMA ADVISERS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -20,938 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Private Advisor Group, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,600 | -100.0% | Q3 2025 | Nov 13, 2025 |
| State of Tennessee, Department of Treasury | History | Closed out | 0 | 0 | — | 0.0% | — | -5,126 | -100.0% | Q3 2025 | Nov 14, 2025 |
| OSAIC HOLDINGS, INC. | History | Reduced | 221 | 0 | — | — | — | -30 | -11.95% | Q4 2025 | Feb 17, 2026 |
| Strengthening Families & Communities, LLC | History | No change | 200 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |