AC IMMUNE SA ACIU
$2.51
+5.5% 52w: $1.83 – $3.99
Latest 13F among current holders filed 1 month ago (May 18, 2026)
Price — last 12 months
research preview data1.832.913.99
Jun 20, 2025 Jul 2, 2026
Institutional holders
46
+5 QoQ
13F value
$69.0M
-14.8% QoQ
Smart-money holders
3
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
12.8×
$1.6M calls / $126K puts
Institutional value by quarter
Number of holders
Who owns ACIU?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BVF INC/IL ★3 | Fundamental concentrated | 19.8M | $54.5M | 1.7% | Held |
| WELLS FARGO & COMPANY/MN | Bank broker | 1.0M | $2.8M | 0.0% | -0.2% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 792.7K | $2.2M | 0.0% | -15.1% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 624.4K | $1.7M | 0.0% | -6.7% |
| BlackRock, Inc. | Index provider | 524.3K | $1.4M | 0.0% | +4.4% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 405.7K | $1.1M | 0.0% | +8.0% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 390.2K | $1.1M | 0.0% | +82.8% |
| NORTHERN TRUST CORP | Index provider | 278.5K | $766K | 0.0% | -1.2% |
| CITADEL ADVISORS LLC | Multistrat pod | 267.2K | $735K | 0.0% | +275.6% |
| MARSHALL WACE, LLP | Quant stat arb | 131.5K | $362K | 0.0% | -29.6% |
| Dauntless Investment Group, LLC ★2 | Fundamental concentrated | 107.5K | $296K | 0.8% | -7.1% |
| UBS Group AG | Bank broker | 101.6K | $279K | 0.0% | -47.7% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 96.9K | $266K | 0.0% | -79.1% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 89.3K | $245K | 0.0% | -39.5% |
| MORGAN STANLEY | Bank broker | 89.3K | $245K | 0.0% | -5.4% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 63.6K | $175K | 0.0% | Held |
| JANE STREET GROUP, LLC | Market maker | 57.7K | $159K | 0.0% | +438.7% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 39.1K | $108K | 0.0% | -55.5% |
| GOLDMAN SACHS GROUP INC | Bank broker | 21.6K | $59K | 0.0% | +16.6% |
| China Universal Asset Management Co., Ltd. | Other | 17.9K | $49K | 0.0% | +9.1% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 17.4K | $48K | 0.0% | -18.8% |
| HRT FINANCIAL LP | Diversified mechanical | 17.3K | $47K | 0.0% | New |
| XTX Topco Ltd | Market maker | 14.3K | $39K | 0.0% | New |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 11.5K | $32K | 0.0% | New |
| Jump Financial, LLC | Market maker | 11.1K | $31K | 0.0% | New |
| Quinn Opportunity Partners LLC | Other | 10.1K | $28K | 0.0% | Held |
| Silverberg Bernstein Capital Management LLC ★2 | Fundamental diversified | 10.0K | $28K | 0.0% | Held |
| EFG International AG | Other | 9.9K | $27K | 0.0% | -23.3% |
| JPMORGAN CHASE & CO | Bank broker | 7.6K | $20K | 0.0% | -12.4% |
| Tower Research Capital LLC (TRC) | Market maker | 7.0K | $19K | 0.0% | +13.7% |
| Banque Cantonale Vaudoise | Other | 7.0K | $19K | 0.0% | -11.0% |
| SIMPLEX TRADING, LLC | Market maker | 6.6K | $18K | 0.0% | New |
| BARCLAYS PLC | Bank broker | 5.8K | $16K | 0.0% | +114.4% |
| Mirae Asset Global Investments Co., Ltd. | Index provider | 5.2K | $14K | 0.0% | +7.5% |
| CITIGROUP INC | Bank broker | 2.8K | $8K | 0.0% | +0.4% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 2.4K | $7K | 0.0% | -2.8% |
| GF FUND MANAGEMENT CO. LTD. | Other | 2.2K | $6K | 0.0% | +13.7% |
| Forum Finance Group S.A. | Other | 2.0K | $5K | 0.0% | — |
| Activest Wealth Management | Wealth advisor | 1.0K | $3K | 0.0% | Held |
| PNC FINANCIAL SERVICES GROUP, INC. | Diversified mechanical | 1.0K | $3K | 0.0% | New |
| Rockefeller Capital Management L.P. | Diversified mechanical | 1.0K | $3K | 0.0% | Held |
| ROYAL BANK OF CANADA | Bank broker | 860 | $2K | 0.0% | +0.2% |
| OSAIC HOLDINGS, INC. | Wealth advisor | 221 | $607 | 0.0% | Held |
| Strengthening Families & Communities, LLC | Other | 200 | $550 | 0.0% | Held |
| Farther Finance Advisors, LLC | Wealth advisor | 43 | $120 | 0.0% | New |
| Caitong International Asset Management Co., Ltd | Diversified mechanical | 3 | $8 | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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