SIMPLEX TRADING, LLC

Position in ACIU — AC Immune SA

CIK 1488542 CHICAGO, IL

Position in ACIU

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$18,205

+$8,790 QoQ

Shares Held

6,620

+103.2% QoQ

Ownership

0.007%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $73,356,830 across 197 Biotechnology names. ACIU ranks #143 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MRNA	Moderna, Inc.	219,573	$11,154,308
2	APGE	Apogee Therapeutics, Inc.	77,808	$6,549,099
3	ERAS	Erasca, Inc.	252,747	$4,089,446
4	QURE	uniQure N.V.	231,769	$3,789,423
5	QNCX	Quince Therapeutics, Inc.	154,093	$3,112,678
6	BBIO	BridgeBio Pharma, Inc.	41,434	$3,076,888
7	CORT	Corcept Therapeutics Inc	69,515	$2,802,149
8	ROIV	Roivant Sciences Ltd.	88,035	$2,438,569

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$18,205	6,620	+103.2%	Shares	Sole	2026-05-14
2025-09-30	$9,415	3,258	+924.5%	Shares	Sole	2025-11-12
2025-06-30	$645	318	+12.0%	Shares	Sole	2025-08-05
2025-03-31	$531	284	-55.3%	Shares	Sole	2025-05-12
2024-03-31	$1,879	635	+14.8%	Shares	Sole	2024-04-25
2023-09-30	$1,576	553	-86.3%	Shares	Sole	2023-11-01
2022-12-31	$8,233	4,036	+88.7%	Shares	Sole	2023-02-02
2022-09-30	$6,759	2,139	+590.0%	Shares	Sole	2022-11-04
2022-06-30	$1,119	310	-85.8%	Shares	Sole	2022-08-03
2021-12-31	$10,830	2,188	-41.5%	Shares	Sole	2022-02-23
2021-09-30	$25,095	3,740	0.0%	Shares	Sole	2021-10-28
2021-06-30	$29,658	3,740	-51.0%	Shares	Sole	2021-08-12
2021-03-31	$58,064	7,630	-13.5%	Shares	Sole	2021-04-26
2020-09-30	$43,046	8,821	—	Shares	Sole	2020-10-14
No filing history on record for this holder in this stock.