Millennium Management’s argenx ARGX Stock Holding History

Millennium Management’s Portfolio ARGX Stock Details ARGX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q2	–	Sell	-700	Closed	-$276K	–	5851
2024 Q1	$276K	Sell	700 -147,700	-100%	-$57.2M	﹤0.01%	5185
2023 Q4	$56.5M	Buy	+148,400	New	+$69.1M	0.02%	721
2023 Q1	–	Sell	-49,500	Closed	-$18.8M	–	6331
2022 Q4	$18.8M	Buy	+49,500	New	+$18.5M	0.01%	1505
2021 Q4	–	Sell	-20,000	Closed	-$6.04M	–	6748
2021 Q3	$6.04M	Buy	+20,000	New	+$6.34M	﹤0.01%	2647
2021 Q1	–	Sell	-35,000	Closed	-$10.3M	–	5883
2020 Q4	$10.3M	Buy	35,000 +32,000	+1,067%	+$8.8M	0.01%	1697
2020 Q3	$788	Buy	+3,000	New	+$721K	﹤0.01%	3302
2020 Q2	–	Sell	-25,900	Closed	-$3.41M	–	4146
2020 Q1	$3.41M	Buy	+25,900	New	+$3.79M	0.01%	1627

Other funds holding ARGX

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Millennium Management's ARGX Position: Q1 2026 in Review

Millennium Management increased its argenx (ARGX) stake by 20% in Q1 2026, buying an estimated $9.32M and bringing the position to 72,365 shares worth $52.8M. The position accounts for 0.02% of the portfolio, ranked #792.

Millennium Management first reported a position in ARGX in Q4 2017 and has held it in 33 quarters since. The position peaked at $256M in Q3 2025. 476 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

Millennium Management held 72,365 shares of argenx worth $52.8M as of Q1 2026.
Millennium Management bought 11,907 argenx shares in Q1 2026, an estimated $9.32M.
argenx made up 0.02% of Millennium Management's portfolio in Q1 2026, its #792 holding.
Millennium Management first reported a position in argenx in Q4 2017 and has held it in 33 quarters since.
Millennium Management's argenx position peaked at $256M in Q3 2025.
476 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.