Summit Partners Public Asset Management’s argenx ARGX Stock Holding History

Summit Partners Public Asset 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
2026 Q1	–	Sell	-82,620	Closed	-$69.5M	–	154
2025 Q4	$69.5M	Sell	82,620 -9,834	-11%	-$8.42M	1.44%	23
2025 Q3	$68.2M	Buy	92,454 +75,331	+440%	+$49.7M	1.41%	23
2025 Q2	$9.44M	Sell	17,123 -62,877	-79%	-$36.5M	0.24%	93
2025 Q1	$47.3M	Buy	80,000 +50,389	+170%	+$31.8M	1.22%	28
2024 Q4	$18.2M	Buy	+29,611	New	+$17.4M	0.35%	79
2024 Q2	–	Sell	-76,729	Closed	-$30.2M	–	106
2024 Q1	$30.2M	Buy	+76,729	New	+$29.7M	1.04%	40

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

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

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

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

ACA

Avoro Capital Advisors New York $11.1B AUM 207.82% 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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Summit Partners Public Asset Management's ARGX Position: Q1 2026 in Review

Summit Partners Public Asset Management sold out of argenx (ARGX) in Q1 2026, closing a stake of 82,620 shares — an estimated $69.5M sold.

Summit Partners Public Asset Management first reported a position in ARGX in Q1 2024 and held it in 6 quarters. The position peaked at $69.5M in Q4 2025. 477 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

Summit Partners Public Asset Management reported no remaining argenx position as of Q1 2026 after selling out during the quarter.
Summit Partners Public Asset Management sold 82,620 argenx shares in Q1 2026, an estimated $69.5M.
Summit Partners Public Asset Management first reported a position in argenx in Q1 2024 and held it in 6 quarters.
Summit Partners Public Asset Management's argenx position peaked at $69.5M in Q4 2025.
477 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.