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AC Immune SA

ACIU
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001651625

No open-market purchases or sales by AC Immune SA insiders were filed in the last 90 days; 43 institutions reported holding it in 13F filings for Q2 2026, worth $58.2M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in AC Immune SA as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
40
−2 vs. Q2 2025
Shares held
24.6M
+121.7K (+0.5%) vs. Q2 2025
Total value
$71.1M
+$21.4M (+43.1%) vs. Q2 2025
New holders
4
14 more added
Sold out
6
12 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACIU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 40 institutions
Q1 2021: 51 institutionsQ2 2021: 57 institutionsQ3 2021: 64 institutionsQ4 2021: 44 institutionsQ1 2022: 36 institutionsQ2 2022: 35 institutionsQ3 2022: 34 institutionsQ4 2022: 37 institutionsQ1 2023: 34 institutionsQ2 2023: 31 institutionsQ3 2023: 28 institutionsQ4 2023: 32 institutionsQ1 2024: 37 institutionsQ2 2024: 45 institutionsQ3 2024: 43 institutionsQ4 2024: 45 institutionsQ1 2025: 41 institutionsQ2 2025: 42 institutionsQ3 2025: 40 institutionsQ4 2025: 42 institutionsQ1 2026: 47 institutionsQ2 2026: 43 institutions
Value heldQ3 2025: $71.1M
Q1 2021: $138.5MQ2 2021: $144.3MQ3 2021: $118.5MQ4 2021: $74.5MQ1 2022: $57.2MQ2 2022: $49.8MQ3 2022: $44.3MQ4 2022: $30.1MQ1 2023: $33.0MQ2 2023: $47.4MQ3 2023: $45.5MQ4 2023: $148.2MQ1 2024: $85.7MQ2 2024: $114.0MQ3 2024: $106.6MQ4 2024: $73.9MQ1 2025: $48.5MQ2 2025: $49.7MQ3 2025: $71.1MQ4 2025: $81.2MQ1 2026: $69.2MQ2 2026: $58.2M
Institutions holding ACIU and their total value by quarter
QuarterHoldersValue
Q2 202643$58.2M
Q1 202647$69.2M
Q4 202542$81.2M
Q3 202540$71.1M
Q2 202542$49.7M
Q1 202541$48.5M
Q4 202445$73.9M
Q3 202443$106.6M
Q2 202445$114.0M
Q1 202437$85.7M
Q4 202332$148.2M
Q3 202328$45.5M
Q2 202331$47.4M
Q1 202334$33.0M
Q4 202237$30.1M
Q3 202234$44.3M
Q2 202235$49.8M
Q1 202236$57.2M
Q4 202144$74.5M
Q3 202164$118.5M
Q2 202157$144.3M
Q1 202151$138.5M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding AC Immune SA; share changes are against Q2 2025.

Institutions holding ACIU in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BVF Inc19,822,436$57.3M2.32%00.0%Unchanged
Wells Fargo & Company1,010,521$2.92M0.00%−14,087−1.4%Reduced
Millennium Management LLC894,532$2.59M0.00%+603,000+206.8%Added
Renaissance Technologies LLC770,419$2.23M0.00%−57,902−7.0%Reduced
BlackRock, Inc.411,848$1.19M0.00%+541+0.1%Added
Acadian Asset Management LLC413,237$1.18M0.00%+1,541+0.4%Added
Northern Trust Corp281,953$814.8K0.00%−99,401−26.1%Reduced
Deutsche Bank AG253,375$732.3K0.00%00.0%Unchanged
Assenagon Asset Management S.A.189,892$548.8K0.00%+189,892New
Dimensional Fund Advisors LP177,111$513.3K0.00%−21,575−10.9%Reduced
Morgan Stanley92,033$266.0K0.00%+19,138+26.3%Added
Geode Capital Management, LLC63,601$183.8K0.00%00.0%Unchanged
Susquehanna International Group, LLP21,840$63.1K0.00%+21,840New
Two Sigma Advisers, LP20,938$60.5K0.00%−7,872−27.3%Reduced
Citadel Advisors LLC20,113$58.1K0.00%−125,886−86.2%Reduced
Banque Cantonale Vaudoise18,440$53.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.17,600$50.9K0.00%−2,567−12.7%Reduced
Two Sigma Investments, LP16,775$48.5K0.00%−13,915−45.3%Reduced
Private Advisor Group, LLC16,600$48.0K0.00%+16,600New
UBS Group AG16,424$47.5K0.00%+8,957+120.0%Added
SEI Investments Co15,884$45.9K0.00%−9,013−36.2%Reduced
Goldman Sachs Group Inc12,635$36.5K0.00%+2,266+21.9%Added
Quinn Opportunity Partners LLC10,100$29.2K0.00%00.0%Unchanged
Silverberg Bernstein Capital Management LLC10,000$28.9K0.02%00.0%Unchanged
JPMorgan Chase & Co7,259$21.0K0.00%+1,149+18.8%Added
Bank of America Corp5,916$17.1K0.00%+343+6.2%Added
Barclays PLC5,290$15.3K0.00%−2,617−33.1%Reduced
State of Tennessee, Treasury Department5,126$14.8K0.00%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.3,882$11.2K0.00%+3+0.1%Added
Tower Research Capital LLC (TRC)3,306$9.55K0.00%+231+7.5%Added
Simplex Trading, LLC3,258$9.00K0.00%+2,940+924.5%Added
BNP Paribas Arbitrage, SA2,803$8.10K0.00%+1,476+111.2%Added
GF Fund Management Co. Ltd.2,160$6.24K0.00%−294−12.0%Reduced
Citigroup Inc1,931$5.58K0.00%+16+0.8%Added
Royal Bank of Canada1,808$5.00K0.00%+220+13.9%Added
Activest Wealth Management1,000$2.89K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.1,000$2.89K0.00%+1,000New
SBI Securities Co., Ltd.548$1.58K0.00%−17−3.0%Reduced
Advisor Group Holdings, Inc.251$7240.00%00.0%Unchanged
Strengthening Families & Communities, LLC200$5780.00%00.0%Unchanged
Marshall Wace, LLP0$00.00%−135,841−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−105,000−100.0%Sold out
Eversept Partners, LP0$00.00%−100,752−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−30,000−100.0%Sold out
Squarepoint Ops LLC0$00.00%−12,642−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−10,085−100.0%Sold out