AC IMMUNE SA (ACIU) is held by 26 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is WELLS FARGO & COMPANY/MN as of Q2 2026.

Are institutions buying or selling ACIU?

In Q2 2026, 10 institutions opened or increased positions in AC IMMUNE SA while 19 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on ACIU?

HoldingsIntel scores AC IMMUNE SA across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 2 of the 4 carrying data for ACIU. In Q2 2026, the institutional leg showed net outflows: 10 buying versus 19 selling.

How many hedge funds hold ACIU?

26 institutional investors report holding AC IMMUNE SA (ACIU) as of Q2 2026, based on SEC 13F filings.

Is institutional money flowing into ACIU?

As of Q2 2026, tracked institutions in AC IMMUNE SA show 10 buyers versus 19 sellers — net outflows.

AC IMMUNE SA

ACIU·H00263105·US·Common Stock·Healthcare - Biotechnology

Holders

(1 Elite)

$10.8M

Total Value

34% (29)

Consensus

10 buying - 19 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Held by 26 funds

1 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Apr 16, 2026 · Activists none · Congress none

InsiderPAPfeifer AndreaSell $31KApr 15, 2026

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
WELLS FARGO & COMPANY/MN	Decreased	1M(-0.0%)	$2.4M	0.0%	+0.59%	0
RENAISSANCE TECHNOLOGIES LLC	Increased	840,127(+34.6%)	$2M	0.0%	-35.27%	33
MILLENNIUM MANAGEMENT LLC	Decreased	773,594(-2.4%)	$1.8M	0.0%	-3.76%	0
BlackRock, Inc.	Decreased	519,274(-0.9%)	$1.2M	0.0%	+3.14%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	340,082(-12.8%)	$812,145	0.0%	+6.69%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	232,953(-42.6%)	$554,428	0.0%	-9.01%	0
CITADEL ADVISORS LLC	Decreased	207,606(-22.3%)	$494,103	0.0%	-1.37%	0
MORGAN STANLEY	Increased	131,815(+47.7%)	$313,720	0.0%	-1.62%	22
TWO SIGMA INVESTMENTS, LP	Increased	102,825(+163.0%)	$244,723	0.0%	+10.04%	37
Qube Research & Technologies Ltd	New	92,351	$219,795	0.0%	+19.75%	32
UBS Group AG	Decreased	85,614(-15.8%)	$203,762	0.0%	-9.37%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	61,854(-2.8%)	$147,212	0.0%	-53.66%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	53,369(-40.2%)	$127,018	0.0%	-9.05%	0
JANE STREET GROUP, LLC	Decreased	19,475(-66.3%)	$46,350	0.0%	-3.54%	0
GOLDMAN SACHS GROUP INC	Decreased	14,497(-33.0%)	$34,503	0.0%	+11.42%	0
Quadrature Capital Ltd	New	12,991	$30,919	0.0%	+19.75%	27
JPMORGAN CHASE & CO	Increased	7,798(+2.1%)	$20,743	0.0%	-0.84%	13
BARCLAYS PLC	Increased	7,278(+25.7%)	$17,322	0.0%	+6.65%	15
MAMirae Asset Global Investments Co., Ltd.	Decreased	4,552(-13.3%)	$10,834	0.0%	-18.75%	0
CITIGROUP INC	Increased	4,012(+42.7%)	$9,549	0.0%	+9.15%	15

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

AC IMMUNE SA

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