Hudson Bay Capital Management
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Hudson Bay Capital Management’s argenx ARGX Stock Holding History

Hudson Bay Capital 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
2024
Q3 		– Sell
-50,000
Closed -$21.5M – 858
2024
Q2 		$21.5M Buy
+50,000
New +$19.1M 0.1% 136

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Artisan Partners
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ACA
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Wellington Management Group
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BlackRock
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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

Hudson Bay Capital Management's ARGX Position: Q2 2026 in Review

Hudson Bay Capital Management reduced its argenx (ARGX) stake by 83% in Q2 2026, selling an estimated $20.6M and leaving 5,000 shares worth $4.64M. The position accounts for 0.01% of the portfolio, ranked #586.

Hudson Bay Capital Management first reported a position in ARGX in Q1 2023 and has held it in 11 quarters since. The position peaked at $37.7M in Q4 2023. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Hudson Bay Capital Management held 5,000 shares of argenx worth $4.64M as of Q2 2026.
  • Hudson Bay Capital Management sold 25,000 argenx shares in Q2 2026, an estimated $20.6M.
  • argenx made up 0.01% of Hudson Bay Capital Management's portfolio in Q2 2026, its #586 holding.
  • Hudson Bay Capital Management first reported a position in argenx in Q1 2023 and has held it in 11 quarters since.
  • Hudson Bay Capital Management's argenx position peaked at $37.7M in Q4 2023.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.