Israel Englander’s argenx ARGX Stock Holding History

Israel Englander’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
2024 Q2	–	Sell	-700	Closed	-$276K	–	5851
2024 Q1	$276K	Sell	700 -147,700	-100%	-$57.2M	﹤0.01%	5185
2023 Q4	$56.5M	Buy	+148,400	New	+$69.1M	0.02%	721
2023 Q1	–	Sell	-49,500	Closed	-$18.8M	–	6331
2022 Q4	$18.8M	Buy	+49,500	New	+$18.5M	0.01%	1505
2021 Q4	–	Sell	-20,000	Closed	-$6.04M	–	6748
2021 Q3	$6.04M	Buy	+20,000	New	+$6.34M	﹤0.01%	2647
2021 Q1	–	Sell	-35,000	Closed	-$10.3M	–	5883
2020 Q4	$10.3M	Buy	35,000 +32,000	+1,067%	+$8.8M	0.01%	1697
2020 Q3	$788	Buy	+3,000	New	+$721K	﹤0.01%	3302
2020 Q2	–	Sell	-25,900	Closed	-$3.41M	–	4146
2020 Q1	$3.41M	Buy	+25,900	New	+$3.79M	0.01%	1627

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

Israel Englander's ARGX Position: Q2 2026 in Review

Israel Englander increased its argenx (ARGX) stake by 30% in Q2 2026, buying an estimated $18.2M and bringing the position to 94,401 shares worth $87.6M. The position accounts for 0.03% of the portfolio, ranked #571.

Israel Englander first reported a position in ARGX in Q4 2017 and has held it in 34 quarters since. The position peaked at $256M in Q3 2025. 505 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

Israel Englander held 94,401 shares of argenx worth $87.6M as of Q2 2026.
Israel Englander bought 22,036 argenx shares in Q2 2026, an estimated $18.2M.
argenx made up 0.03% of Israel Englander's portfolio in Q2 2026, its #571 holding.
Israel Englander first reported a position in argenx in Q4 2017 and has held it in 34 quarters since.
Israel Englander's argenx position peaked at $256M in Q3 2025.
505 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.