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ACIU AC IMMUNE SA

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SHS (common), issuer CIK 1651625

43 managers (43 13F filers) reported a position in ACIU shares at 2026-06-30, 24,469,719 shares in all. 6 filers opened a position and 9 filers sold out during the quarter.

Managers
43
13F filers
43
New
6
Added
10
Reduced
16
Sold out
9
Shares held by filers
24,469,719

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BVF INC/ILin group BVF INC/IL19,822,436$47.2M1.21%013F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN1,004,041$2.39M<0.01%-24313F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC840,127$2M<0.01%+215,76013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC773,594$1.84M<0.01%-19,06313F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.519,274$1.24M<0.01%-5,00413F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP340,082$812K<0.01%-50,08313F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …232,953$554K<0.01%-172,70513F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC207,606$494K<0.01%-59,62713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY131,815$314K<0.01%+42,56213F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP102,825$245K<0.01%+63,73413F-HRTimelineGroup
Qube Research & Technologies Ltd92,351$220K<0.01%new13F-HRTimeline
UBS Group AGin group UBS Group AG85,614$204K<0.01%-16,01513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC61,854$147K<0.01%-1,74713F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…53,369$127K<0.01%-35,89313F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC24,064$57.3K<0.01%+12,93913F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC19,475$46.4K<0.01%-38,22113F-HRTimelineGroup
Verdad Advisers, LP16,300$38.8K0.04%new13F-HRTimeline
China Universal Asset Management Co., L…16,197$38.5K<0.01%-1,65513F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC14,497$34.5K<0.01%-7,13513F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd12,991$30.9K<0.01%new13F-HRTimelineGroup
SG Americas Securities, LLC10,327$25K<0.01%new13F-HRTimeline
AXQ CAPITAL, LP10,398$24.7K<0.01%new13F-HRTimeline
Quinn Opportunity Partners LLC10,100$24K<0.01%013F-HRTimeline
Silverberg Bernstein Capital Management…10,000$23.8K0.01%013F-HRTimeline
EFG International AGin group EFG International AG9,900$23.6K<0.01%013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO7,798$20.7K<0.01%+15813F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC7,278$17.3K<0.01%+1,48713F-HRTimelineGroup
Mirae Asset Global Investments Co., Ltd.in group Mirae Asset Global Investment…4,552$10.8K<0.01%-69513F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…4,101$9.76K<0.01%-2,90813F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC4,012$9.55K<0.01%+1,20113F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS2,699$6.42K<0.01%+28913F-HRTimelineGroup
GF FUND MANAGEMENT CO. LTD.2,084$4.96K<0.01%-15813F-HRTimeline
Forum Finance Group S.A.2,000$4K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,289$3K<0.01%+42913F-HRTimelineGroup
SBI Securities Co., Ltd.1,197$2.85K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,000$2.38K<0.01%013F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…1,000$2.38K<0.01%013F-HRTimelineGroup
Activest Wealth Management1,000$2.38K<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.220$523<0.01%-113F-HRTimelineGroup
Strengthening Families & Communities, L…200$476<0.01%013F-HRTimeline
Farther Finance Advisors, LLC43$102<0.01%013F-HRTimeline
Caitong International Asset Management …35$83<0.01%+3213F-HRTimeline
Banque Cantonale Vaudoisein group Banque Cantonale Vaudoise7,021$17M013F-HRTimelineGroupValue about 1,000 times the price other filers imply, kept as filed and left out of ratios.