Marshall Wace
ARM icon

Marshall Wace’s Arm ARM Stock Holding History

Marshall Wace’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 		– Sell
-1,128,252
Closed -$123M – 3171
2025
Q4 		$123M Buy
1,128,252
+309,615
+38% +$45M 0.11% 141
2025
Q3 		$116M Buy
818,637
+335,685
+70% +$48.9M 0.12% 137
2025
Q2 		$78.1M Buy
482,952
+207,209
+75% +$25.7M 0.09% 214
2025
Q1 		$29.4M Sell
275,743
-144,982
-34% -$20.2M 0.04% 412
2024
Q4 		$51.9M Buy
+420,725
New +$59.3M 0.06% 281
2024
Q2 		– Sell
-173,518
Closed -$21.7M – 2519
2024
Q1 		$21.7M Buy
+173,518
New +$18.4M 0.03% 486

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 $10.6B AUM 2.6% 1-Year Est. Return
AI
Alphabet Inc Mountain View, California $4.02B AUM 215.74% 1-Year Est. Return
ACM
Altimeter Capital Management Boston, Massachusetts $5.7B AUM 36.74% 1-Year Est. Return

Marshall Wace's ARM Position: Q1 2026 in Review

Marshall Wace sold out of Arm (ARM) in Q1 2026, closing a stake of 1,128,252 shares — an estimated $123M sold.

Marshall Wace first reported a position in ARM in Q1 2024 and held it in 6 quarters. The position peaked at $123M in Q4 2025. 742 funds tracked by Wall St. Rank hold ARM as of Q1 2026.

  • Marshall Wace reported no remaining Arm position as of Q1 2026 after selling out during the quarter.
  • Marshall Wace sold 1,128,252 Arm shares in Q1 2026, an estimated $123M.
  • Marshall Wace first reported a position in Arm in Q1 2024 and held it in 6 quarters.
  • Marshall Wace's Arm position peaked at $123M in Q4 2025.
  • 742 funds tracked by Wall St. Rank held Arm as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.