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 Q2	$41.8M	Buy	45,068 +15,063	+50%	+$12.4M	0.28%	78
2026 Q1	$21.9M	Buy	30,005 +5	+0%	+$3.91K	0.15%	109
2025 Q4	$25.2M	Sell	30,000 -125,000	-81%	-$107M	0.13%	157
2025 Q3	$114M	Sell	155,000 -400	-0.3%	-$264K	0.54%	25
2025 Q2	$85.7M	Sell	155,400 -60,600	-28%	-$35.2M	0.72%	12
2025 Q1	$128M	Buy	216,000 +248	+0.1%	+$157K	1.13%	10
2024 Q4	$133M	Buy	215,752 +55,752	+35%	+$32.7M	0.79%	21
2024 Q3	$86.7M	Buy	160,000 +159,950	+319,900%	+$80.8M	0.62%	22
2024 Q2	$21.5K	Sell	50 -135,049	-100%	-$51.7M	﹤0.01%	1345
2024 Q1	$53.2M	Buy	135,099 +132,078	+4,372%	+$51.2M	0.49%	25
2023 Q4	$1.15M	Buy	3,021 +1,021	+51%	+$476K	0.01%	894
2023 Q3	$983K	Buy	2,000 +1,250	+167%	+$611K	0.01%	839
2023 Q2	$292K	Buy	+750	New	+$295K	﹤0.01%	1331

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. 505 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.
505 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.