Hudson Bay Capital Management
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Hudson Bay Capital Management’s MoonLake Immunotherapeutics MLTX Stock Holding History

Hudson Bay Capital Management’s Portfolio MLTX Stock Details MLTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-25,000
Closed -$179K – 1410
2025
Q3 		$179K Buy
+25,000
New +$1.3M ﹤0.01% 1034

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VC
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Hudson Bay Capital Management's MLTX Position: Q4 2025 in Review

Hudson Bay Capital Management sold out of MoonLake Immunotherapeutics (MLTX) in Q4 2025, closing a stake of 20,000 shares — an estimated $143K sold.

Hudson Bay Capital Management first reported a position in MLTX in Q2 2023 and held it in 7 quarters. The position peaked at $4.96M in Q2 2025. 130 funds tracked by Wall St. Rank hold MLTX as of Q4 2025.

  • Hudson Bay Capital Management reported no remaining MoonLake Immunotherapeutics position as of Q4 2025 after selling out during the quarter.
  • Hudson Bay Capital Management sold 20,000 MoonLake Immunotherapeutics shares in Q4 2025, an estimated $143K.
  • Hudson Bay Capital Management first reported a position in MoonLake Immunotherapeutics in Q2 2023 and held it in 7 quarters.
  • Hudson Bay Capital Management's MoonLake Immunotherapeutics position peaked at $4.96M in Q2 2025.
  • 130 funds tracked by Wall St. Rank held MoonLake Immunotherapeutics as of Q4 2025.

Based on Hudson Bay Capital Management's 13F filing for Q4 2025, filed 13 Feb 2026.