Hudson Bay Capital Management
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Hudson Bay Capital Management’s Alto Neuroscience ANRO Stock Holding History

Hudson Bay Capital Management’s Portfolio ANRO Stock Details ANRO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$984K Buy
43,762
+8,973
+26% +$166K ﹤0.01% 886
2025
Q4 		$619K Buy
+34,789
New +$438K ﹤0.01% 846

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PA
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SSC
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VCM
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VC
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AC
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Millennium Management
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Hudson Bay Capital Management's ANRO Position: Q1 2026 in Review

Hudson Bay Capital Management increased its Alto Neuroscience (ANRO) stake by 26% in Q1 2026, buying an estimated $166K and bringing the position to 43,762 shares worth $984K. The position accounts for ﹤0.01% of the portfolio, ranked #886.

Hudson Bay Capital Management first reported a position in ANRO in Q4 2025 and has held it in 2 quarters since. 110 funds tracked by Wall St. Rank hold ANRO as of Q1 2026.

  • Hudson Bay Capital Management held 43,762 shares of Alto Neuroscience worth $984K as of Q1 2026.
  • Hudson Bay Capital Management bought 8,973 Alto Neuroscience shares in Q1 2026, an estimated $166K.
  • Alto Neuroscience made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #886 holding.
  • Hudson Bay Capital Management first reported a position in Alto Neuroscience in Q4 2025 and has held it in 2 quarters since.
  • 110 funds tracked by Wall St. Rank held Alto Neuroscience as of Q1 2026.

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