Jefferies Financial Group’s argenx ARGX Stock Holding History

Jefferies Financial Group’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
2026 Q1	–	Sell	-100	Closed	-$84.1K	–	1721
2025 Q4	$84.1K	Sell	100 -2,900	-97%	-$2.48M	﹤0.01%	1722
2025 Q3	$2.21M	Buy	3,000 +2,000	+200%	+$1.32M	0.01%	610
2025 Q2	$551K	Buy	+1,000	New	+$580K	﹤0.01%	880
2025 Q1	–	Sell	-14,000	Closed	-$8.61M	–	1601
2024 Q4	$8.61M	Sell	14,000 -4,700	-25%	-$2.75M	0.05%	257
2024 Q3	$10.1M	Hold	18,700	–	–	0.07%	172
2024 Q2	$8.04M	Buy	+18,700	New	+$7.16M	0.09%	186
2024 Q1	–	Sell	-2,400	Closed	-$913K	–	1601
2023 Q4	$913K	Sell	2,400 -2,700	-53%	-$1.26M	0.01%	994
2023 Q3	$2.51M	Sell	5,100 -1,200	-19%	-$587K	0.02%	551
2023 Q2	$2.46M	Buy	+6,300	New	+$2.48M	0.02%	594

Other funds holding ARGX

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jefferies Financial Group's ARGX Position: Q2 2026 in Review

Jefferies Financial Group increased its argenx (ARGX) stake by 50% in Q2 2026, buying an estimated $12.4M and bringing the position to 45,068 shares worth $41.8M. The position accounts for 0.28% of the portfolio, ranked #78.

Jefferies Financial Group first reported a position in ARGX in Q2 2023 and has held it in 13 quarters since. The position peaked at $133M in Q4 2024. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

Jefferies Financial Group held 45,068 shares of argenx worth $41.8M as of Q2 2026.
Jefferies Financial Group bought 15,063 argenx shares in Q2 2026, an estimated $12.4M.
argenx made up 0.28% of Jefferies Financial Group's portfolio in Q2 2026, its #78 holding.
Jefferies Financial Group first reported a position in argenx in Q2 2023 and has held it in 13 quarters since.
Jefferies Financial Group's argenx position peaked at $133M in Q4 2024.
508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Jefferies Financial Group's 13F filing for Q2 2026, filed 17 Aug 2026.