Citadel Advisors’s argenx ARGX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$21.5M Buy
29,500
+2,900
+11% +$2.27M ﹤0.01% 2248
2025
Q4
$22.4M Sell
26,600
-5,900
-18% -$5.05M ﹤0.01% 2222
2025
Q3
$24M Buy
32,500
+14,600
+82% +$9.63M ﹤0.01% 2105
2025
Q2
$9.87M Buy
17,900
+2,200
+14% +$1.28M ﹤0.01% 3038
2025
Q1
$9.29M Hold
15,700
﹤0.01% 2957
2024
Q4
$9.66M Sell
15,700
-20,900
-57% -$12.2M ﹤0.01% 3037
2024
Q3
$19.8M Buy
36,600
+2,000
+6% +$1.01M ﹤0.01% 2062
2024
Q2
$14.9M Buy
34,600
+4,900
+16% +$1.88M ﹤0.01% 2326
2024
Q1
$11.7M Sell
29,700
-38,900
-57% -$15.1M ﹤0.01% 2741
2023
Q4
$26.1M Buy
68,600
+34,000
+98% +$15.8M 0.01% 1758
2023
Q3
$17M Hold
34,600
﹤0.01% 2039
2023
Q2
$13.5M Sell
34,600
-15,700
-31% -$6.18M ﹤0.01% 2312
2023
Q1
$18.7M Buy
50,300
+16,300
+48% +$6.03M ﹤0.01% 1987
2022
Q4
$12.9M Buy
34,000
+5,000
+17% +$1.87M ﹤0.01% 2473
2022
Q3
$10.2M Buy
29,000
+11,700
+68% +$4.33M ﹤0.01% 2720
2022
Q2
$6.55M Buy
17,300
+11,200
+184% +$3.61M ﹤0.01% 3321
2022
Q1
$1.92M Sell
6,100
-18,100
-75% -$5.26M ﹤0.01% 6166
2021
Q4
$8.47M Buy
24,200
+13,400
+124% +$4.08M ﹤0.01% 3346
2021
Q3
$3.26M Buy
10,800
+800
+8% +$254K ﹤0.01% 5179
2021
Q2
$3.01M Sell
10,000
-6,600
-40% -$1.88M ﹤0.01% 5593
2021
Q1
$4.57M Buy
16,600
+6,100
+58% +$1.93M ﹤0.01% 4450
2020
Q4
$3.09M Sell
10,500
-4,100
-28% -$1.13M ﹤0.01% 4541
2020
Q3
$3.83M Buy
14,600
+5,500
+60% +$1.32M ﹤0.01% 3558
2020
Q2
$2.05M Sell
9,100
-3,200
-26% -$568K ﹤0.01% 4533
2020
Q1
$1.62M Sell
12,300
-18,800
-60% -$2.75M ﹤0.01% 4487
2019
Q4
$4.99M Sell
31,100
-7,800
-20% -$1.05M ﹤0.01% 3080
2019
Q3
$4.43M Buy
38,900
+31,800
+448% +$4.3M ﹤0.01% 3276
2019
Q2
$1M Sell
7,100
-300
-4% -$38.1K ﹤0.01% 5692
2019
Q1
$924K Buy
7,400
+3,000
+68% +$353K ﹤0.01% 5729
2018
Q4
$423K Buy
4,400
+1,200
+38% +$107K ﹤0.01% 6667
2018
Q3
$243K Buy
+3,200
New +$284K ﹤0.01% 7919

Other funds holding ARGX

Citadel Advisors's ARGX Position: Q1 2026 in Review

Citadel Advisors reduced its argenx (ARGX) stake by 38% in Q1 2026, selling an estimated $103M and leaving 219,126 shares worth $160M. The position accounts for 0.03% of the portfolio, ranked #551.

Citadel Advisors first reported a position in ARGX in Q1 2018 and has held it in 32 quarters since. The position peaked at $526M in Q3 2025. 476 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Citadel Advisors held 219,126 shares of argenx worth $160M as of Q1 2026.
  • Citadel Advisors sold 131,725 argenx shares in Q1 2026, an estimated $103M.
  • argenx made up 0.03% of Citadel Advisors's portfolio in Q1 2026, its #551 holding.
  • Citadel Advisors first reported a position in argenx in Q1 2018 and has held it in 32 quarters since.
  • Citadel Advisors's argenx position peaked at $526M in Q3 2025.
  • 476 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.