Aigen Investment Management’s argenx ARGX Stock Holding History

Aigen Investment 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	$350K	Buy	479 +28	+6%	+$21.9K	0.09%	294
2025 Q4	$379K	Sell	451 -181	-29%	-$155K	0.09%	292
2025 Q3	$466K	Sell	632 -2,653	-81%	-$1.75M	0.07%	414
2025 Q2	$1.81M	Buy	3,285 +361	+12%	+$210K	0.25%	116
2025 Q1	$1.73M	Buy	+2,924	New	+$1.85M	0.28%	103
2023 Q4	–	Sell	-993	Closed	-$488K	–	785
2023 Q3	$488K	Sell	993 -350	-26%	-$171K	0.09%	364
2023 Q2	$523K	Sell	1,343 -2,126	-61%	-$836K	0.08%	341
2023 Q1	$1.29M	Sell	3,469 -2,000	-37%	-$740K	0.18%	141
2022 Q4	$2.07M	Sell	5,469 -116	-2%	-$43.4K	0.29%	95
2022 Q3	$1.97M	Buy	+5,585	New	+$2.07M	0.28%	105
2020 Q2	–	Sell	-10,071	Closed	-$1.33M	–	813
2020 Q1	$1.33M	Buy	+10,071	New	+$1.47M	0.18%	156

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

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Aigen Investment Management's ARGX Position: Q1 2026 in Review

Aigen Investment Management increased its argenx (ARGX) stake by 6.2% in Q1 2026, buying an estimated $21.9K and bringing the position to 479 shares worth $350K. The position accounts for 0.09% of the portfolio, ranked #294.

Aigen Investment Management first reported a position in ARGX in Q1 2020 and has held it in 11 quarters since. The position peaked at $2.07M in Q4 2022. 475 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

Aigen Investment Management held 479 shares of argenx worth $350K as of Q1 2026.
Aigen Investment Management bought 28 argenx shares in Q1 2026, an estimated $21.9K.
argenx made up 0.09% of Aigen Investment Management's portfolio in Q1 2026, its #294 holding.
Aigen Investment Management first reported a position in argenx in Q1 2020 and has held it in 11 quarters since.
Aigen Investment Management's argenx position peaked at $2.07M in Q4 2022.
475 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.