Banco Santander’s argenx ARGX Stock Holding History

Banco Santander’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	–	Sell	-1,847	Closed	-$1.35M	–	512
2026 Q1	$1.35M	Buy	+1,847	New	+$1.45M	0.01%	309

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

Banco Santander's ARGX Position: Q2 2026 in Review

Banco Santander sold out of argenx (ARGX) in Q2 2026, closing a stake of 1,847 shares — an estimated $1.35M sold.

Banco Santander first reported a position in ARGX in Q1 2026 and held it in 1 quarter. The position peaked at $1.35M in Q1 2026. 505 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

Banco Santander reported no remaining argenx position as of Q2 2026 after selling out during the quarter.
Banco Santander sold 1,847 argenx shares in Q2 2026, an estimated $1.35M.
Banco Santander first reported a position in argenx in Q1 2026 and held it in 1 quarter.
Banco Santander's argenx position peaked at $1.35M in Q1 2026.
505 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Banco Santander's 13F filing for Q2 2026, filed 29 Jul 2026.