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 Q2	$292M	Buy	822,600 +43,200	+6%	+$11.5M	0.17%	59
2026 Q1	$118M	Sell	779,400 -336,400	-30%	-$40.8M	0.08%	98
2025 Q4	$122M	Sell	1,115,800 -202,700	-15%	-$29.5M	0.07%	126
2025 Q3	$162M	Buy	1,318,500 +202,100	+18%	+$29.4M	0.08%	125
2025 Q2	$181M	Sell	1,116,400 -137,800	-11%	-$17.1M	0.1%	101
2025 Q1	$134M	Sell	1,254,200 -11,500	-0.9%	-$1.6M	0.09%	106
2024 Q4	$156M	Sell	1,265,700 -88,100	-7%	-$12.4M	0.09%	111
2024 Q3	$194M	Buy	1,353,800 +12,700	+0.9%	+$1.8M	0.11%	86
2024 Q2	$219M	Buy	1,341,100 +167,600	+14%	+$20.8M	0.14%	68
2024 Q1	$147M	Buy	1,173,500 +639,100	+120%	+$67.7M	0.08%	108
2023 Q4	$40.2M	Buy	534,400 +224,500	+72%	+$13.1M	0.03%	412
2023 Q3	$16.6M	Buy	+309,900	New	+$17.1M	0.01%	677

Other funds holding ARM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

DZ Bank Frankfurt Am Main, Germany $130B AUM 46.38% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Simplex Trading's ARM Position: Q2 2026 in Review

Simplex Trading reduced its Arm (ARM) stake by 92% in Q2 2026, selling an estimated $7.72M and leaving 2,428 shares worth $861K. The position accounts for ﹤0.01% of the portfolio, ranked #2949.

Simplex Trading first reported a position in ARM in Q2 2024 and has held it in 8 quarters since. The position peaked at $38.3M in Q3 2024. 957 funds tracked by Wall St. Rank hold ARM as of Q2 2026.

Simplex Trading held 2,428 shares of Arm worth $861K as of Q2 2026.
Simplex Trading sold 29,037 Arm shares in Q2 2026, an estimated $7.72M.
Arm made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #2949 holding.
Simplex Trading first reported a position in Arm in Q2 2024 and has held it in 8 quarters since.
Simplex Trading's Arm position peaked at $38.3M in Q3 2024.
957 funds tracked by Wall St. Rank held Arm as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.