Simplex Trading
ARM icon

Simplex Trading’s Arm ARM Stock Holding History

Simplex Trading’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
Q3 		$191M Buy
658,000
+158,200
+32% +$43.1M 0.1% 82
2026
Q2 		$177M Sell
499,800
-70,600
-12% -$18.8M 0.1% 90
2026
Q1 		$86.3M Sell
570,400
-398,400
-41% -$48.3M 0.06% 131
2025
Q4 		$106M Sell
968,800
-272,800
-22% -$39.7M 0.06% 146
2025
Q3 		$176M Buy
1,241,600
+229,800
+23% +$33.5M 0.09% 105
2025
Q2 		$164M Buy
1,011,800
+101,200
+11% +$12.6M 0.09% 110
2025
Q1 		$97.2M Buy
910,600
+3,400
+0.4% +$474K 0.06% 147
2024
Q4 		$112M Sell
907,200
-122,300
-12% -$17.2M 0.06% 152
2024
Q3 		$147M Buy
1,029,500
+65,800
+7% +$9.35M 0.09% 112
2024
Q2 		$158M Sell
963,700
-582,100
-38% -$72.4M 0.1% 95
2024
Q1 		$193M Buy
1,545,800
+634,900
+70% +$67.3M 0.11% 83
2023
Q4 		$68.4M Buy
910,900
+561,600
+161% +$32.8M 0.04% 256
2023
Q3 		$18.7M Buy
+349,300
New +$19.3M 0.01% 618

Other funds holding ARM

Alphabet Inc
Alphabet Inc Mountain View, California $88.3B AUM 46.07% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $106B AUM 2.29% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $500B AUM 36.84% 1-Year Est. Return
Robeco Schweiz
Robeco Schweiz Zurich, Switzerland $5.55B AUM 53.94% 1-Year Est. Return
Hyperion Asset Management
Hyperion Asset Management Brisbane, Australia $3.66B AUM 10.02% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $57.1B AUM 43.46% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
ProShare Advisors
ProShare Advisors Bethesda, Maryland $69.5B AUM 31.38% 1-Year Est. Return
Congress Asset Management
Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return
Nordea Investment Management
Nordea Investment Management Stockholm, Sweden $127B AUM 33.25% 1-Year Est. Return

Simplex Trading's ARM Position: Q3 2026 in Review

Simplex Trading sold out of Arm (ARM) in Q3 2026, closing a stake of 2,428 shares — an estimated $661K sold.

Simplex Trading first reported a position in ARM in Q2 2024 and held it in 8 quarters. The position peaked at $38.3M in Q3 2024. 511 funds tracked by Wall St. Rank hold ARM as of Q3 2026.

  • Simplex Trading reported no remaining Arm position as of Q3 2026 after selling out during the quarter.
  • Simplex Trading sold 2,428 Arm shares in Q3 2026, an estimated $661K.
  • Simplex Trading first reported a position in Arm in Q2 2024 and held it in 8 quarters.
  • Simplex Trading's Arm position peaked at $38.3M in Q3 2024.
  • 511 funds tracked by Wall St. Rank held Arm as of Q3 2026.

Based on Simplex Trading's 13F filing for Q3 2026, filed 4 Nov 2026.