AC IMMUNE SA (ACIU) is held by 30 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is WELLS FARGO & COMPANY/MN as of Q1 2026.

Are institutions buying or selling ACIU?

In Q1 2026, 15 institutions opened or increased positions in AC IMMUNE SA while 14 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ACIU?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for AC IMMUNE SA.

How many hedge funds hold ACIU?

30 institutional investors report holding AC IMMUNE SA (ACIU) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ACIU?

As of Q1 2026, tracked institutions in AC IMMUNE SA show 15 buyers versus 14 sellers — net inflows.

AC IMMUNE SA

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

Holders

(7 Elite)

$13.6M

Total Value

52% (29)

Consensus

15 buying - 14 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 30 funds

7 elite

Who's Trading

InsiderPAPfeifer AndreaSell $31KApr 15, 2026

View all insider trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
WELLS FARGO & COMPANY/MN	Decreased	1M(-0.2%)	$2.8M	0.0%	-15.64%	0
MILLENNIUM MANAGEMENT LLC	Decreased	792,657(-15.1%)	$2.2M	0.0%	-19.29%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	624,367(-6.7%)	$1.7M	0.0%	-53.16%	0
BlackRock, Inc.	Increased	524,278(+4.4%)	$1.4M	0.0%	-13.51%	18
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	405,658(+8.0%)	$1.1M	0.0%	-23.70%	27
DIMENSIONAL FUND ADVISORS LP	Increased	390,165(+82.8%)	$1.1M	0.0%	-10.53%	39
NORTHERN TRUST CORP	Decreased	278,513(-1.2%)	$765,911	0.0%	-10.24%	0
CITADEL ADVISORS LLC	Increased	267,233(+275.6%)	$734,891	0.0%	-17.29%	40
MWMARSHALL WACE, LLP	Decreased	131,458(-29.6%)	$361,511	0.0%	-24.13%	0
UBS Group AG	Decreased	101,629(-47.7%)	$279,480	0.0%	-23.99%	0
SUSQUEHANNA INTERNATIONAL GROUP, LLP	Decreased	89,262(-39.5%)	$245,471	0.0%	-23.73%	0
MORGAN STANLEY	Decreased	89,253(-5.4%)	$245,446	0.0%	-23.97%	0
GEODE CAPITAL MANAGEMENT, LLC	Unchanged	63,601	$174,902	0.0%	-60.29%	0
JANE STREET GROUP, LLC	Increased	57,696(+438.7%)	$158,664	0.0%	-19.11%	25
TWO SIGMA INVESTMENTS, LP	Decreased	39,091(-55.5%)	$107,500	0.0%	-18.50%	0
GOLDMAN SACHS GROUP INC	Increased	21,632(+16.6%)	$59,488	0.0%	-6.56%	16
BANK OF AMERICA CORP /DE/	Decreased	17,437(-18.8%)	$47,952	0.0%	-18.42%	0
XTX Topco Ltd	New	14,304	$39,336	0.0%	-17.87%	28
JPMORGAN CHASE & CO	Decreased	7,640(-12.4%)	$19,558	0.0%	-14.62%	0
SIMPLEX TRADING, LLC	New	6,620	$18,205	0.0%	-17.87%	28