Alyeska Investment Group
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Alyeska Investment Group’s argenx ARGX Stock Holding History

Alyeska Investment Group’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 		$2.61M Buy
+2,811
New +$2.32M 0.01% 554
2025
Q3 		– Sell
-1,836
Closed -$1.01M – 589
2025
Q2 		$1.01M Buy
+1,836
New +$1.07M ﹤0.01% 505
2024
Q4 		– Sell
-60,000
Closed -$32.5M – 548
2024
Q3 		$32.5M Sell
60,000
-74,935
-56% -$37.9M 0.17% 185
2024
Q2 		$58M Buy
134,935
+5,686
+4% +$2.18M 0.33% 101
2024
Q1 		$50.9M Sell
129,249
-105,587
-45% -$40.9M 0.31% 112
2023
Q4 		$89.3M Buy
234,836
+119,705
+104% +$55.8M 0.59% 51
2023
Q3 		$56.6M Buy
+115,131
New +$56.3M 0.38% 87
2023
Q2 		– Sell
-15,000
Closed -$5.59M – 541
2023
Q1 		$5.59M Buy
+15,000
New +$5.55M 0.05% 295
2022
Q4 		– Sell
-54,500
Closed -$19.2M – 417
2022
Q3 		$19.2M Sell
54,500
-15,831
-23% -$5.87M 0.22% 139
2022
Q2 		$26.6M Sell
70,331
-15,365
-18% -$4.95M 0.3% 103
2022
Q1 		$27M Buy
85,696
+45,325
+112% +$13.2M 0.3% 115
2021
Q4 		$14.1M Buy
+40,371
New +$12.3M 0.16% 165
2018
Q1 		– Sell
-30,100
Closed -$1.9M – 442
2017
Q4 		$1.9M Sell
30,100
-91,213
-75% -$2.99M 0.02% 343
2017
Q3 		$2.74M Buy
121,313
+2,167
+2% +$45.2K 0.02% 333
2017
Q2 		$2.53M Buy
+119,146
New +$2.48M 0.02% 329

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Artisan Partners
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
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Alyeska Investment Group's ARGX Position: Q2 2026 in Review

Alyeska Investment Group opened a new position in argenx (ARGX) in Q2 2026: 2,811 shares worth $2.61M. The stake represents 0.01% of the portfolio and ranks #554 among its holdings. This is a return to the name: Alyeska Investment Group previously reported a position in ARGX as recently as Q2 2025.

Alyeska Investment Group first reported a position in ARGX in Q2 2017 and has held it in 15 quarters since. The position peaked at $89.3M in Q4 2023. 506 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Alyeska Investment Group held 2,811 shares of argenx worth $2.61M as of Q2 2026.
  • argenx was a new Alyeska Investment Group position in Q2 2026.
  • argenx made up 0.01% of Alyeska Investment Group's portfolio in Q2 2026, its #554 holding.
  • Alyeska Investment Group first reported a position in argenx in Q2 2017 and has held it in 15 quarters since.
  • Alyeska Investment Group's argenx position peaked at $89.3M in Q4 2023.
  • 506 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.