Ac Immune SAACIU
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 41 institutions reported holding Ac Immune SA (ACIU) in their 13F filings, down 4 from Q4 2024. 4 opened new positions and 8 sold out. The largest holders were BVF Inc. ($37.1M), BlackRock, Inc. ($2.2M) and Wells Fargo & Company ($1.9M). 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $245K |
| Exits | 8 | $3.1M |
All 13F filers, Q4 2024 → Q1 2025: 1,171,308 shares bought and 2,648,661 shares sold, net −1,477,353 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 41 holders
| BVF Inc. | 1.51% | Add +1.5% | 19,822,436 | $37.1M |
| BlackRock, Inc. | 0.00% | Reduce -47.7% | 1,156,591 | $2.2M |
| Wells Fargo & Company | 0.00% | Add +0.2% | 997,621 | $1.9M |
| Renaissance Technologies | 0.00% | Add +8.6% | 803,469 | $1.5M |
| Platinum Investment Management Ltd. | 0.08% | Reduce -22.3% | 739,342 | $1.4M |
| Northern Trust Corp. | 0.00% | Reduce -6.4% | 377,086 | $705K |
| Acadian Asset Management LLC | 0.00% | Add +87.1% | 371,177 | $679K |
| Deutsche Bank AG | 0.00% | No change | 253,375 | $474K |
| Dimensional Fund Advisors LP | 0.00% | Add +80.8% | 237,558 | $445K |
| Millennium Management | 0.00% | Add +78.7% | 212,750 | $398K |
| Marshall Wace, LLP | 0.00% | Add +219.9% | 212,184 | $397K |
| Citadel Advisors | 0.00% | Add +1826.3% | 151,461 | $283K |
| Handelsbanken Fonder AB | 0.00% | Reduce -13.3% | 130,000 | $243K |
| Eversept Partners, LP | 0.02% | New | 100,752 | $188K |
| Morgan Stanley | 0.00% | Reduce -56.8% | 72,004 | $135K |
| Geode Capital Management, LLC | 0.00% | No change | 64,090 | $120K |
| Banque Cantonale Vaudoise | 0.00% | — | 26,712 | $50K |
| Sei Investments Co. | 0.00% | New | 24,897 | $47K |
| Two Sigma Advisers, LP | 0.00% | Add +76.1% | 23,610 | $44K |
| Squarepoint Ops LLC | 0.00% | Reduce -48.8% | 22,406 | $42K |
| Cantor Fitzgerald, L. P. | 0.00% | Reduce -20.0% | 20,000 | $37K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -5.4% | 19,837 | $37K |
| UBS Group AG | 0.00% | Reduce -66.4% | 16,688 | $31K |
| Quinn Opportunity Partners LLC | 0.00% | No change | 10,100 | $19K |
| Silverberg Bernstein Capital Management LLC | 0.02% | No change | 10,000 | $19K |
| Barclays PLC | 0.00% | Add +26.2% | 7,409 | $14K |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.6% | 7,107 | $13K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -0.7% | 6,864 | $13K |
| State of Tennessee, Department of Treasury | 0.00% | New | 5,126 | $10K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.4% | 3,309 | $7K |
| Bank of America Corp. | 0.00% | Reduce -13.1% | 2,511 | $5K |
| GF Fund Management Co. LTD. | 0.00% | Add +18.1% | 2,454 | $5K |
| Royal Bank of Canada | 0.00% | Add +68.5% | 1,660 | $3K |
| Citigroup Inc. | 0.00% | Reduce -47.2% | 1,439 | $3K |
| BNP Paribas Financial Markets | 0.00% | Reduce -39.5% | 1,211 | $2K |
| Activest Wealth Management | 0.00% | No change | 1,000 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +3.1% | 561 | $1K |
| Lazard Asset Management LLC | 0.00% | Add +7.4% | 813 | $1K |
| Strengthening Families & Communities, LLC | 0.00% | No change | 200 | $374 |
| SJS Investment Consulting Inc. | 0.00% | No change | 200 | $374 |
| Simplex Trading, LLC | 0.00% | New | 284 | $0 |
"% of holder's portfolio" is ACIU's weight in each manager's 13F, not the share of Ac Immune SA the manager owns.