Jim Simons
ARM icon

Jim Simons’s Arm ARM Stock Holding History

Jim Simons’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
2026
Q1 		$2.56M Sell
16,900
-456,700
-96% -$55.4M ﹤0.01% 1749
2025
Q4 		$51.8M Sell
473,600
-21,800
-4% -$3.17M 0.08% 284
2025
Q3 		$70.1M Buy
495,400
+308,800
+165% +$45M 0.09% 248
2025
Q2 		$30.2M Buy
186,600
+167,100
+857% +$20.7M 0.04% 538
2025
Q1 		$2.08M Buy
+19,500
New +$2.72M ﹤0.01% 1964
2024
Q4 		– Sell
-1,070,000
Closed -$153M – 3557
2024
Q3 		$153M Buy
1,070,000
+396,300
+59% +$56.3M 0.23% 81
2024
Q2 		$110M Sell
673,700
-26,400
-4% -$3.28M 0.19% 110
2024
Q1 		$87.5M Buy
+700,100
New +$74.2M 0.14% 161

Other funds holding ARM

DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $122B AUM 29.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
SGA
Sustainable Growth Advisers Stamford, Connecticut $10.2B AUM 1.48% 1-Year Est. Return
AI
Alphabet Inc Mountain View, California $99.1B AUM 124.46% 1-Year Est. Return
ACM
Altimeter Capital Management Boston, Massachusetts $5.7B AUM 36.74% 1-Year Est. Return

Jim Simons's ARM Position: Q1 2026 in Review

Jim Simons reduced its Arm (ARM) stake by 96% in Q1 2026, selling an estimated $55.4M and leaving 16,900 shares worth $2.56M. The position accounts for ﹤0.01% of the portfolio, ranked #1749.

Jim Simons first reported a position in ARM in Q1 2024 and has held it in 8 quarters since. The position peaked at $153M in Q3 2024. 743 funds tracked by Wall St. Rank hold ARM as of Q1 2026.

  • Jim Simons held 16,900 shares of Arm worth $2.56M as of Q1 2026.
  • Jim Simons sold 456,700 Arm shares in Q1 2026, an estimated $55.4M.
  • Arm made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #1749 holding.
  • Jim Simons first reported a position in Arm in Q1 2024 and has held it in 8 quarters since.
  • Jim Simons's Arm position peaked at $153M in Q3 2024.
  • 743 funds tracked by Wall St. Rank held Arm as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.