Jane Street’s Arm ARM Stock Holding History

Jane Street’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	$1.53B	Buy	4,311,800 +698,200	+19%	+$186M	0.13%	107
2026 Q1	$547M	Sell	3,613,600 -2,085,900	-37%	-$253M	0.07%	180
2025 Q4	$623M	Buy	5,699,500 +183,800	+3%	+$26.7M	0.09%	142
2025 Q3	$780M	Buy	5,515,700 +494,100	+10%	+$72M	0.12%	108
2025 Q2	$812M	Buy	5,021,600 +1,276,100	+34%	+$158M	0.16%	76
2025 Q1	$400M	Buy	3,745,500 +214,500	+6%	+$29.9M	0.1%	123
2024 Q4	$436M	Sell	3,531,000 -178,900	-5%	-$25.2M	0.09%	119
2024 Q3	$531M	Sell	3,709,900 -127,800	-3%	-$18.2M	0.12%	91
2024 Q2	$628M	Sell	3,837,700 -2,452,500	-39%	-$305M	0.14%	73
2024 Q1	$786M	Buy	6,290,200 +5,399,800	+606%	+$572M	0.16%	63
2023 Q4	$66.9M	Buy	890,400 +596,400	+203%	+$34.9M	0.02%	551
2023 Q3	$15.7M	Buy	+294,000	New	+$16.3M	0.01%	1316

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

Jane Street's ARM Position: Q2 2026 in Review

Jane Street reduced its Arm (ARM) stake by 74% in Q2 2026, selling an estimated $61.7M and leaving 83,470 shares worth $29.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1800.

Jane Street first reported a position in ARM in Q3 2023 and has held it in 12 quarters since. The position peaked at $153M in Q1 2024. 958 funds tracked by Wall St. Rank hold ARM as of Q2 2026.

Jane Street held 83,470 shares of Arm worth $29.6M as of Q2 2026.
Jane Street sold 232,057 Arm shares in Q2 2026, an estimated $61.7M.
Arm made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1800 holding.
Jane Street first reported a position in Arm in Q3 2023 and has held it in 12 quarters since.
Jane Street's Arm position peaked at $153M in Q1 2024.
958 funds tracked by Wall St. Rank held Arm as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.