PEAK6’s argenx ARGX Stock Holding History

PEAK6’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
2025 Q4	–	Sell	-9,700	Closed	-$7.15M	–	2810
2025 Q3	$7.15M	Hold	9,700	–	–	0.01%	856
2025 Q2	$5.35M	Sell	9,700 -2,300	-19%	-$1.33M	0.01%	920
2025 Q1	$7.1M	Buy	12,000 +3,000	+33%	+$1.89M	0.02%	728
2024 Q4	$5.54M	Buy	+9,000	New	+$5.27M	0.01%	851

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

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

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

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

PEAK6's ARGX Position: Q4 2025 in Review

PEAK6 sold out of argenx (ARGX) in Q4 2025, closing a stake of 1 share — an estimated $669 sold.

PEAK6 first reported a position in ARGX in Q1 2025 and held it in 3 quarters. The position peaked at $1.35K in Q1 2025. 507 funds tracked by Wall St. Rank hold ARGX as of Q4 2025.

PEAK6 reported no remaining argenx position as of Q4 2025 after selling out during the quarter.
PEAK6 sold 1 argenx share in Q4 2025, an estimated $669.
PEAK6 first reported a position in argenx in Q1 2025 and held it in 3 quarters.
PEAK6's argenx position peaked at $1.35K in Q1 2025.
507 funds tracked by Wall St. Rank held argenx as of Q4 2025.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.