Ac Immune SAACIU
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 42 institutions reported holding Ac Immune SA (ACIU) in their 13F filings, up 1 from Q1 2025. 4 opened new positions and 4 sold out. The largest holders were BVF Inc. ($40.2M), Wells Fargo & Company ($2.1M) and Renaissance Technologies ($1.7M). 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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $104K |
| Exits | 4 | $1.4M |
All 13F filers, Q1 2025 → Q2 2025: 247,984 shares bought and 1,663,920 shares sold, net −1,415,936 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 42 holders
| BVF Inc. | 1.44% | No change | 19,822,436 | $40.2M |
| Wells Fargo & Company | 0.00% | Add +2.7% | 1,024,608 | $2.1M |
| Renaissance Technologies | 0.00% | Add +3.1% | 828,321 | $1.7M |
| BlackRock, Inc. | 0.00% | Reduce -64.4% | 411,307 | $835K |
| Acadian Asset Management LLC | 0.00% | Add +10.9% | 411,696 | $820K |
| Northern Trust Corp. | 0.00% | Add +1.1% | 381,354 | $774K |
| Millennium Management | 0.00% | Add +37.0% | 291,532 | $592K |
| Deutsche Bank AG | 0.00% | No change | 253,375 | $514K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -16.4% | 198,686 | $403K |
| Citadel Advisors | 0.00% | Reduce -3.6% | 145,999 | $296K |
| Marshall Wace, LLP | 0.00% | Reduce -36.0% | 135,841 | $276K |
| Handelsbanken Fonder AB | 0.00% | Reduce -19.2% | 105,000 | $213K |
| Eversept Partners, LP | 0.02% | No change | 100,752 | $205K |
| Morgan Stanley | 0.00% | Add +1.2% | 72,895 | $148K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.8% | 63,601 | $129K |
| Two Sigma Investments, LP | 0.00% | New | 30,690 | $62K |
| Cantor Fitzgerald, L. P. | 0.00% | Add +50.0% | 30,000 | $61K |
| Two Sigma Advisers, LP | 0.00% | Add +22.0% | 28,810 | $58K |
| Sei Investments Co. | 0.00% | No change | 24,897 | $51K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +1.7% | 20,167 | $41K |
| Banque Cantonale Vaudoise | 0.00% | Reduce -31.0% | 18,440 | $37K |
| Squarepoint Ops LLC | 0.00% | Reduce -43.6% | 12,642 | $26K |
| Goldman Sachs Group Inc. | 0.00% | New | 10,369 | $21K |
| Quinn Opportunity Partners LLC | 0.00% | No change | 10,100 | $21K |
| Two Sigma Securities, LLC | 0.00% | New | 10,085 | $20K |
| Silverberg Bernstein Capital Management LLC | 0.01% | No change | 10,000 | $20K |
| Barclays PLC | 0.00% | Add +6.7% | 7,907 | $16K |
| UBS Group AG | 0.00% | Reduce -55.3% | 7,467 | $15K |
| JPMorgan Chase & Co. | 0.00% | Reduce -14.0% | 6,110 | $12K |
| Bank of America Corp. | 0.00% | Add +121.9% | 5,573 | $11K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 5,126 | $10K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +17.2% | 3,879 | $8K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -55.2% | 3,075 | $6K |
| GF Fund Management Co. LTD. | 0.00% | No change | 2,454 | $5K |
| Citigroup Inc. | 0.00% | Add +33.1% | 1,915 | $4K |
| Royal Bank of Canada | 0.00% | Reduce -4.3% | 1,588 | $3K |
| BNP Paribas Financial Markets | 0.00% | Add +9.6% | 1,327 | $3K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.7% | 565 | $1K |
| Osaic Holdings, Inc. | 0.00% | New | 251 | $509 |
| Strengthening Families & Communities, LLC | 0.00% | No change | 200 | $406 |
| Simplex Trading, LLC | 0.00% | Add +12.0% | 318 | $0 |
"% of holder's portfolio" is ACIU's weight in each manager's 13F, not the share of Ac Immune SA the manager owns.