ACIU Institutional Ownership & Shareholders
AC Immune SA (ACIU) is currently held by 43 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $75.24M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Bvf Inc/Il is currently the largest disclosed institutional shareholder of ACIU tracked by InsiderSet, reporting ownership valued at approximately $47.18M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $44.01M, representing an estimated loss of -6.72% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 98% of the total disclosed ACIU value among the investors covered in this analysis. Major shareholders include Bvf Inc/Il, Banque Cantonale Vaudoise, Wells Fargo & Company/Mn, and several other long-term asset managers with concentrated positions in AC Immune SA (ACIU).
This page ranks the largest institutional ACIU shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
43
Total Reported Value
$75.24M
Largest Holder
Bvf Inc/Il
Largest Position
$47.18M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
56
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Bvf Inc/Il | 1.21% | 19,822,436 | $47,177,398 | $44,005,808 | -$3,171,590 | -6.72% | |
| Banque Cantonale Vaudoise | 0.00% | 7,021 | $17,000,000 | $15,587 | -$16,984,413 | -99.91% | |
| Wells Fargo & Company/Mn | 0.00% | 1,004,041 | $2,389,618 | $2,228,971 | -$160,647 | -6.72% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 840,127 | $1,999,502 | $1,865,082 | -$134,420 | -6.72% |
| Millennium Management Llc | 0.00% | 773,594 | $1,841,154 | $1,717,379 | -$123,775 | -6.72% | |
| Blackrock, Inc. | 0.00% | 519,274 | $1,235,873 | $1,152,788 | -$83,085 | -6.72% | |
| Dimensional Fund Advisors Lp | 0.00% | 340,082 | $812,145 | $754,982 | -$57,163 | -7.04% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 232,953 | $554,428 | $517,156 | -$37,272 | -6.72% | |
| Citadel Advisors Llc | 0.00% | 207,606 | $494,103 | $460,885 | -$33,218 | -6.72% | |
| Morgan Stanley | 0.00% | 131,815 | $313,720 | $292,629 | -$21,091 | -6.72% | |
| Two Sigma Investments, Lp | 0.00% | 102,825 | $244,723 | $228,272 | -$16,451 | -6.72% | |
| Qube Research & Technologies Ltd | 0.00% | 92,351 | $219,795 | $205,019 | -$14,776 | -6.72% | |
| Ubs Group Ag | 0.00% | 85,614 | $203,762 | $190,063 | -$13,699 | -6.72% | |
| Geode Capital Management, Llc | 0.00% | 61,854 | $147,212 | $137,316 | -$9,896 | -6.72% | |
| Susquehanna International Group, Llp | 0.00% | 53,369 | $127,018 | $118,479 | -$8,539 | -6.72% | |
| Jump Financial, Llc | 0.00% | 24,064 | $57,272 | $53,422 | -$3,850 | -6.72% | |
| China Universal Asset Management Co., Ltd. | 0.00% | 18,570 | $48,282 | $41,225 | -$7,057 | -14.62% | |
| Jane Street Group, Llc | 0.00% | 19,475 | $46,350 | $43,235 | -$3,115 | -6.72% | |
| Verdad Advisers, Lp | 0.04% | 16,300 | $38,794 | $36,186 | -$2,608 | -6.72% | |
| Goldman Sachs Group Inc | 0.00% | 14,497 | $34,503 | $32,183 | -$2,320 | -6.72% | |
| Quadrature Capital Ltd | 0.00% | 12,991 | $30,919 | $28,840 | -$2,079 | -6.72% | |
| Silverberg Bernstein Capital Management Llc | 0.01% | 10,000 | $26,200 | $22,200 | -$4,000 | -15.27% | |
| Sg Americas Securities, Llc | 0.00% | 10,327 | $25,000 | $22,926 | -$2,074 | -8.30% | |
| Axq Capital, Lp | 0.00% | 10,398 | $24,747 | $23,084 | -$1,663 | -6.72% | |
| Quinn Opportunity Partners Llc | 0.00% | 10,100 | $24,038 | $22,422 | -$1,616 | -6.72% | |
| Efg International Ag | 0.00% | 9,900 | $23,562 | $21,978 | -$1,584 | -6.72% | |
| Jpmorgan Chase & Co | 0.00% | 7,798 | $20,743 | $17,312 | -$3,431 | -16.54% | |
| Barclays Plc | 0.00% | 7,278 | $17,322 | $16,157 | -$1,165 | -6.72% | |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | 5,201 | $13,627 | $11,546 | -$2,081 | -15.27% | |
| Tower Research Capital Llc (Trc) | 0.00% | 4,101 | $9,760 | $9,104 | -$656 | -6.72% | |
| Citigroup Inc | 0.00% | 4,012 | $9,549 | $8,907 | -$642 | -6.73% | |
| Bnp Paribas Financial Markets | 0.00% | 2,699 | $6,424 | $5,992 | -$432 | -6.73% | |
| Gf Fund Management Co. Ltd. | 0.00% | 2,269 | $5,945 | $5,037 | -$908 | -15.27% | |
| Forum Finance Group S.A. | 0.00% | 2,000 | $4,000 | $4,440 | +$440 | +11.00% | |
| Sbi Securities Co., Ltd. | 0.00% | 1,202 | $3,149 | $2,668 | -$481 | -15.26% | |
| Royal Bank Of Canada | 0.00% | 1,289 | $3,000 | $2,862 | -$138 | -4.61% | |
| Activest Wealth Management | 0.00% | 1,000 | $2,620 | $2,220 | -$400 | -15.27% | |
| Pnc Financial Services Group, Inc. | 0.00% | 1,000 | $2,380 | $2,220 | -$160 | -6.72% | |
| Rockefeller Capital Management L.P. | 0.00% | 1,000 | $2,380 | $2,220 | -$160 | -6.72% | |
| Strengthening Families & Communities, Llc | 0.00% | 200 | $524 | $444 | -$80 | -15.27% | |
| Osaic Holdings, Inc. | 0.00% | 220 | $523 | $488 | -$35 | -6.62% | |
| Farther Finance Advisors, Llc | 0.00% | 43 | $113 | $95 | -$18 | -15.52% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 32 | $84 | $71 | -$13 | -15.43% |
Frequently asked questions about ACIU
Who are the largest institutional holders of ACIU?
The largest institutional holders of ACIU reported in the latest SEC Form 13F filings include Bvf Inc/Il, Banque Cantonale Vaudoise, Wells Fargo & Company/Mn, Renaissance Technologies LLC, and Millennium Management Llc. InsiderSet ranks institutional holders by their latest reported ACIU position.
What is ACIU institutional ownership?
This page tracks ACIU positions reported by institutional investment managers through SEC Form 13F. AC Immune SA (ACIU) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ACIU?
InsiderSet currently tracks 43 institutional managers reporting ACIU holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of ACIU shareholders.
How much ACIU stock do institutions own?
Institutional investment managers disclosed approximately $75.24M in ACIU holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ACIU institutional ownership last updated?
The latest ACIU institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional ACIU holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its ACIU position after the reporting date.
Are institutions buying or selling ACIU?
Institutional buying and selling can be analyzed by comparing ACIU positions across consecutive 13F reporting periods. InsiderSet's ACIU Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ACIU ownership changes.
How has ACIU institutional ownership changed over time?
InsiderSet tracks ACIU institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.