Walleye Trading
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Walleye Trading’s argenx ARGX Stock Holding History

Walleye Trading’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 		$146K Sell
200
-5,700
-97% -$4.46M ﹤0.01% 3285
2025
Q4 		$4.96M Buy
5,900
+2,700
+84% +$2.31M 0.01% 1306
2025
Q3 		$2.36M Buy
3,200
+2,900
+967% +$1.91M ﹤0.01% 1714
2025
Q2 		$165K Sell
300
-2,600
-90% -$1.51M ﹤0.01% 3351
2025
Q1 		$1.72M Buy
+2,900
New +$1.83M ﹤0.01% 1725
2024
Q2 		– Sell
-4,200
Closed -$1.65M – 4243
2024
Q1 		$1.65M Sell
4,200
-2,100
-33% -$814K ﹤0.01% 1859
2023
Q4 		$2.4M Buy
6,300
+5,600
+800% +$2.61M 0.01% 1791
2023
Q3 		$344K Sell
700
-200
-22% -$97.8K ﹤0.01% 3254
2023
Q2 		$351K Sell
900
-10,000
-92% -$3.93M ﹤0.01% 3051
2023
Q1 		$4.06M Buy
10,900
+7,200
+195% +$2.67M 0.01% 1188
2022
Q4 		$1.4M Buy
+3,700
New +$1.38M ﹤0.01% 1951
2022
Q1 		– Sell
-200
Closed -$70K – 5294
2021
Q4 		$70K Buy
+200
New +$60.8K ﹤0.01% 4538

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Wellington Management Group
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
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Walleye Trading's ARGX Position: Q1 2026 in Review

Walleye Trading reduced its argenx (ARGX) stake by 86% in Q1 2026, selling an estimated $1.17M and leaving 243 shares worth $177K. The position accounts for ﹤0.01% of the portfolio, ranked #3186.

Walleye Trading first reported a position in ARGX in Q3 2023 and has held it in 7 quarters since. The position peaked at $2.74M in Q4 2023. 475 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Walleye Trading held 243 shares of argenx worth $177K as of Q1 2026.
  • Walleye Trading sold 1,498 argenx shares in Q1 2026, an estimated $1.17M.
  • argenx made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3186 holding.
  • Walleye Trading first reported a position in argenx in Q3 2023 and has held it in 7 quarters since.
  • Walleye Trading's argenx position peaked at $2.74M in Q4 2023.
  • 475 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.