Hudson Bay Capital Management LP

Position in ZLAB — Zai Lab Ltd

CIK 1393825 STAMFORD, CT

Position in ZLAB

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$564,300

-$1,023,300 QoQ

Shares Held

30,000

-66.7% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Hudson Bay Capital Management LP holds $535,016,974 across 151 Biotechnology names. ZLAB ranks #79 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BMRN	Biomarin Pharmaceutical Inc	974,776	$55,065,096
2	APLS	Apellis Pharmaceuticals, Inc.	1,190,416	$47,890,435
3	REGN	Regeneron Pharmaceuticals, Inc.	32,001	$24,725,252
4	BNTX	BioNTech SE	275,000	$24,442,000
5	IONS	Ionis Pharmaceuticals Inc	295,100	$22,159,059
6	ARGX	Argenx SE	30,000	$21,907,500
7	VRTX	Vertex Pharmaceuticals Inc / Ma	45,000	$20,094,300
8	IMCR	Immunocore Holdings plc	633,174	$19,090,196

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$564,300	30,000	-66.7%	Shares	Sole	2026-05-13
2025-12-31	$1,587,600	90,000	-82.0%	Shares	Sole	2026-02-13
2022-03-31	$22,017,047	500,615	-0.0%	Shares	Sole	2022-05-16
2021-12-31	$31,469,937	500,715	-5.7%	Shares	Sole	2022-02-14
2021-09-30	$55,932,053	530,715	+45.6%	Shares	Sole	2021-12-29
2021-06-30	$64,506,660	364,465	-5.6%	Shares	Sole	2021-08-16
2021-03-31	$51,506,915	386,022	+5.9%	Shares	Sole	2021-05-14
2020-12-31	$49,326,693	364,465	+11.3%	Shares	Sole	2021-03-04
2020-09-30	$27,223,204	327,320	0.0%	Shares	Sole	2020-11-12
2020-06-30	$26,882,791	327,320	0.0%	Shares	Sole	2020-08-12
2020-03-31	$16,850,433	327,320	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.