Knollwood Investment Advisory, LLC

Position in ARGX — Argenx SE

CIK 1999346 HUNT VALLEY, MD

Position in ARGX

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$1,279,394

+$272,380 QoQ

Shares Held

1,379

0.0% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

#229

of 504 holders

Holding Since

Jun 2024

9 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

Knollwood Investment Advisory, LLC holds $8,491,864 across 5 Biotechnology names. ARGX ranks #3 (15.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ABOS	Acumen Pharmaceuticals, Inc.	1,628,510	$4,348,121
2	VRTX	Vertex Pharmaceuticals Inc / Ma	4,988	$2,477,689
3	ARGX	Argenx SE This page	1,379	$1,279,394
4	GMAB	Genmab A/S	7,300	$200,531
5	CAI	Caris Life Sciences, Inc.	10,445	$186,129

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,279,394	1,379	0.0%	Shares	Sole	2026-08-13
2026-03-31	$1,007,014	1,379	0.0%	Shares	Sole	2026-05-14
2025-12-31	$1,159,670	1,379	0.0%	Shares	Sole	2026-02-13
2025-09-30	$1,017,095	1,379	-1.4%	Shares	Sole	2025-11-14
2025-06-30	$770,605	1,398	0.0%	Shares	Sole	2025-08-13
2025-03-31	$827,427	1,398	0.0%	Shares	Sole	2025-05-14
2024-12-31	$859,770	1,398	0.0%	Shares	Sole	2025-02-14
2024-09-30	$757,827	1,398	0.0%	Shares	Sole	2024-11-14
2024-06-30	$601,195	1,398	—	Shares	Sole	2024-08-14
No filing history on record for this holder in this stock.