AC Immune SA

ACIUNASDAQ

$2.71-0.02 (-0.55%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

AC Immune SA price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-23.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BVF Inc	19.48%	$47.2M	1.21%	Not reported
Wells Fargo & Company	0.99%	$2.39M	0.00%	Not reported
Renaissance Technologies LLC	0.83%	$2M	0.00%	Not reported
Millennium Management LLC	0.76%	$1.84M	0.00%	Not reported
BlackRock, Inc.	0.51%	$1.24M	0.00%	Not reported
Dimensional Fund Advisors LP	0.33%	$812K	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.23%	$554K	0.00%	Not reported
Citadel Advisors LLC	0.20%	$494K	0.00%	Not reported
Morgan Stanley	0.13%	$314K	0.00%	Not reported
Two Sigma Investments, LP	0.10%	$245K	0.00%	Not reported
Qube Research & Technologies Ltd	0.09%	$220K	0.00%	Not reported
UBS Group AG	0.08%	$204K	0.00%	Not reported
Geode Capital Management, LLC	0.06%	$147K	0.00%	Not reported
Susquehanna International Group, LLP	0.05%	$127K	0.00%	Not reported
Jump Financial, LLC	0.02%	$57.3K	0.00%	Not reported
Jane Street Group, LLC	0.02%	$46.4K	0.00%	Not reported
Verdad Advisers, LP	0.02%	$38.8K	0.04%	Not reported
China Universal Asset Management Co., Ltd.	0.02%	$38.5K	0.00%	Reduce 9.27%
Goldman Sachs Group Inc	0.01%	$34.5K	0.00%	Not reported
Quadrature Capital Ltd	0.01%	$30.9K	0.00%	Not reported
Axq Capital, LP	0.01%	$24.7K	0.00%	New Not reported
SG Americas Securities, LLC	0.01%	$25K	0.00%	Not reported
Quinn Opportunity Partners LLC	0.01%	$24K	0.00%	Not reported
Silverberg Bernstein Capital Management LLC	0.01%	$23.8K	0.01%	Not reported
EFG International AG	0.01%	$23.6K	0.00%	Not reported
JPMorgan Chase & Co	0.01%	$20.7K	0.00%	Not reported
Barclays PLC	0.01%	$17.3K	0.00%	Not reported
Banque Cantonale Vaudoise	0.01%	$17K	0.00%	Not reported
Mirae Asset Global Investments Co., Ltd.	0.00%	$10.8K	0.00%	Not reported
Tower Research Capital LLC (TRC)	0.00%	$9.76K	0.00%	Not reported
Citigroup Inc	0.00%	$9.55K	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$6.42K	0.00%	Not reported
Forum Finance Group S.A.	0.00%	$4K	0.00%	Not reported
Royal Bank of Canada	0.00%	$3K	0.00%	Not reported
SBI Securities Co., Ltd.	0.00%	$2.85K	0.00%	Not reported
Rockefeller Capital Management L.P.	0.00%	$2.38K	0.00%	Not reported
Osaic Holdings, Inc.	0.00%	$523	0.00%	Not reported
Strengthening Families & Communities, LLC	0.00%	$476	0.00%	Not reported
Farther Finance Advisors, LLC	0.00%	$102	0.00%	Not reported
Caitong International Asset Management Co., Ltd	0.00%	$83	0.00%	Not reported

End of history · 40 holders

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