SIMPLEX TRADING, LLC

Position in ZLAB — Zai Lab Ltd

CIK 1488542 CHICAGO, IL

Position in ZLAB

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

Position Value

$32,635

+$29,584 QoQ

Shares Held

1,735

+902.9% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $69,665,443 across 197 Biotechnology names. ZLAB ranks #124 (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	BBIO	BridgeBio Pharma, Inc.	41,434	$3,076,888
6	CORT	Corcept Therapeutics Inc	69,515	$2,802,149
7	ROIV	Roivant Sciences Ltd.	88,035	$2,438,569
8	INSM	INSMED Inc	10,715	$1,752,116

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$32,635	1,735	+902.9%	Shares	Sole	2026-05-14
2025-12-31	$3,051	173	-49.0%	Shares	Sole	2026-02-11
2024-12-31	$8,878	339	-97.2%	Shares	Sole	2025-02-11
2024-09-30	$294,435	12,197	-57.2%	Shares	Sole	2024-11-08
2024-06-30	$494,424	28,530	-28.0%	Shares	Sole	2024-07-25
2024-03-31	$634,824	39,627	+167.9%	Shares	Sole	2024-04-25
2023-12-31	$404,292	14,793	-9.1%	Shares	Sole	2024-02-02
2023-09-30	$395,669	16,276	+11.6%	Shares	Sole	2023-11-01
2023-06-30	$404,358	14,582	+1346.6%	Shares	Sole	2023-08-04
2022-03-31	$44,331	1,008	+286.2%	Shares	Sole	2022-05-02
2021-12-31	$16,403	261	-24.3%	Shares	Sole	2022-02-23
2021-09-30	$36,359	345	0.0%	Shares	Sole	2021-10-28
2021-06-30	$61,061	345	-63.2%	Shares	Sole	2021-08-12
2021-03-31	$125,157	938	+505.2%	Shares	Sole	2021-04-26
2020-03-31	$7,979	155	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.