Hudson Bay Capital Management
ARM icon

Hudson Bay Capital Management’s Arm ARM Stock Holding History

Hudson Bay Capital Management’s Portfolio ARM Stock Details ARM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-1,050,000
Closed -$170M – 1242
2025
Q2 		$170M Sell
1,050,000
-150,000
-13% -$18.6M 0.58% 34
2025
Q1 		$128M Sell
1,200,000
-300,000
-20% -$41.8M 0.4% 58
2024
Q4 		$185M Buy
+1,500,000
New +$211M 0.65% 32
2024
Q3 		– Sell
-30,000
Closed -$4.91M – 860
2024
Q2 		$4.91M Sell
30,000
-20,000
-40% -$2.49M 0.02% 380
2024
Q1 		$6.25M Buy
+50,000
New +$5.3M 0.03% 254

Other funds holding ARM

Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
SGA
Sustainable Growth Advisers Stamford, Connecticut $10.6B AUM 2.6% 1-Year Est. Return
Coatue Management
Coatue Management New York $29.1B AUM 96.54% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
AI
Alphabet Inc Mountain View, California $4.02B AUM 215.74% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Hudson Bay Capital Management's ARM Position: Q3 2025 in Review

Hudson Bay Capital Management sold out of Arm (ARM) in Q3 2025, closing a stake of 600,000 shares — an estimated $97M sold.

Hudson Bay Capital Management first reported a position in ARM in Q3 2023 and held it in 5 quarters. The position peaked at $148M in Q4 2024. 659 funds tracked by Wall St. Rank hold ARM as of Q3 2025.

  • Hudson Bay Capital Management reported no remaining Arm position as of Q3 2025 after selling out during the quarter.
  • Hudson Bay Capital Management sold 600,000 Arm shares in Q3 2025, an estimated $97M.
  • Hudson Bay Capital Management first reported a position in Arm in Q3 2023 and held it in 5 quarters.
  • Hudson Bay Capital Management's Arm position peaked at $148M in Q4 2024.
  • 659 funds tracked by Wall St. Rank held Arm as of Q3 2025.

Based on Hudson Bay Capital Management's 13F filing for Q3 2025, filed 13 Nov 2025.