Hudson Bay Capital Management
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Hudson Bay Capital Management’s Amprius Technologies AMPX Stock Holding History

Hudson Bay Capital Management’s Portfolio AMPX Stock Details AMPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-1,100,000
Closed -$8.68M – 1386
2025
Q4 		$8.68M Buy
+1,100,000
New +$12.6M 0.03% 371

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State Street
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UBS Group
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Hudson Bay Capital Management's AMPX Position: Q1 2026 in Review

Hudson Bay Capital Management sold out of Amprius Technologies (AMPX) in Q1 2026, closing a stake of 1,100,000 shares — an estimated $8.68M sold.

Hudson Bay Capital Management first reported a position in AMPX in Q4 2025 and held it in 1 quarter. The position peaked at $8.68M in Q4 2025. 245 funds tracked by Wall St. Rank hold AMPX as of Q1 2026.

  • Hudson Bay Capital Management reported no remaining Amprius Technologies position as of Q1 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 1,100,000 Amprius Technologies shares in Q1 2026, an estimated $8.68M.
  • Hudson Bay Capital Management first reported a position in Amprius Technologies in Q4 2025 and held it in 1 quarter.
  • Hudson Bay Capital Management's Amprius Technologies position peaked at $8.68M in Q4 2025.
  • 245 funds tracked by Wall St. Rank held Amprius Technologies as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.