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Bellevue Group’s argenx ARGX Stock Holding History

Bellevue 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
Q1 		$229M Sell
313,000
-148,854
-32% -$116M 5.44% 2
2025
Q4 		$388M Sell
461,854
-84,474
-15% -$72.3M 7.36% 2
2025
Q3 		$403M Sell
546,328
-24,711
-4% -$16.3M 8.37% 2
2025
Q2 		$315M Sell
571,039
-7,835
-1% -$4.55M 6.94% 1
2025
Q1 		$343M Sell
578,874
-14,310
-2% -$9.03M 7.68% 1
2024
Q4 		$365M Sell
593,184
-39,645
-6% -$23.2M 7.02% 1
2024
Q3 		$343M Sell
632,829
-59,045
-9% -$29.8M 5.56% 1
2024
Q2 		$298M Sell
691,874
-119,142
-15% -$45.6M 4.83% 2
2024
Q1 		$319M Sell
811,016
-58,192
-7% -$22.5M 4.87% 2
2023
Q4 		$331M Sell
869,208
-42,322
-5% -$19.7M 5.06% 2
2023
Q3 		$448M Sell
911,530
-11,754
-1% -$5.75M 7.22% 1
2023
Q2 		$360M Buy
923,284
+36,356
+4% +$14.3M 5.13% 3
2023
Q1 		$330M Sell
886,928
-24,172
-3% -$8.95M 4.8% 3
2022
Q4 		$345M Sell
911,100
-8,246
-0.9% -$3.08M 4.58% 2
2022
Q3 		$332M Sell
919,346
-14,457
-2% -$5.36M 4.76% 3
2022
Q2 		$350M Sell
933,803
-19,435
-2% -$6.26M 4.94% 2
2022
Q1 		$301M Sell
953,238
-43,800
-4% -$12.7M 3.49% 3
2021
Q4 		$349M Buy
997,038
+13,100
+1% +$3.98M 3.6% 3
2021
Q3 		$297M Buy
983,938
+9,900
+1% +$3.14M 3.02% 4
2021
Q2 		$293M Buy
974,038
+19,484
+2% +$5.54M 2.86% 5
2021
Q1 		$263M Buy
954,554
+9,206
+1% +$2.91M 2.78% 5
2020
Q4 		$278M Sell
945,348
-13,668
-1% -$3.76M 3.18% 5
2020
Q3 		$252M Buy
959,016
+5,000
+0.5% +$1.2M 3.48% 5
2020
Q2 		$215M Sell
954,016
-20,488
-2% -$3.64M 3.04% 8
2020
Q1 		$128M Buy
974,504
+6,515
+0.7% +$954K 2.49% 9
2019
Q4 		$156M Sell
967,989
-5,250
-0.5% -$710K 2.47% 8
2019
Q3 		$110M Buy
973,239
+28,600
+3% +$3.87M 2.05% 12
2019
Q2 		$134M Buy
944,639
+924,739
+4,647% +$117M 2.28% 13
2019
Q1 		$2.48M Buy
19,900
+7,300
+58% +$858K 0.14% 100
2018
Q4 		$1.21M Buy
+12,600
New +$1.12M 0.08% 110

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

Bellevue Group's ARGX Position: Q1 2026 in Review

Bellevue Group reduced its argenx (ARGX) stake by 32% in Q1 2026, selling an estimated $116M and leaving 313,000 shares worth $229M. The position accounts for 5.44% of the portfolio, ranked #2.

Bellevue Group first reported a position in ARGX in Q4 2018 and has held it in 30 quarters since. The position peaked at $448M in Q3 2023. 475 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Bellevue Group held 313,000 shares of argenx worth $229M as of Q1 2026.
  • Bellevue Group sold 148,854 argenx shares in Q1 2026, an estimated $116M.
  • argenx made up 5.44% of Bellevue Group's portfolio in Q1 2026, its #2 holding.
  • Bellevue Group first reported a position in argenx in Q4 2018 and has held it in 30 quarters since.
  • Bellevue Group's argenx position peaked at $448M in Q3 2023.
  • 475 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Bellevue Group's 13F filing for Q1 2026, filed 15 May 2026.