Citadel Advisors’s Arm ARM Stock Holding History

Citadel Advisors’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	$537M	Sell	3,550,400 -231,200	-6%	-$28.1M	0.09%	163
2025 Q4	$413M	Buy	3,781,600 +230,500	+6%	+$33.5M	0.06%	236
2025 Q3	$502M	Sell	3,551,100 -397,400	-10%	-$57.9M	0.08%	186
2025 Q2	$639M	Buy	3,948,500 +318,600	+9%	+$39.5M	0.11%	117
2025 Q1	$388M	Sell	3,629,900 -328,000	-8%	-$45.7M	0.07%	191
2024 Q4	$488M	Sell	3,957,900 -1,075,000	-21%	-$152M	0.08%	149
2024 Q3	$720M	Sell	5,032,900 -57,100	-1%	-$8.11M	0.14%	85
2024 Q2	$833M	Buy	5,090,000 +1,139,100	+29%	+$142M	0.17%	73
2024 Q1	$494M	Buy	3,950,900 +2,889,400	+272%	+$306M	0.1%	131
2023 Q4	$79.8M	Buy	1,061,500 +286,300	+37%	+$16.7M	0.02%	830
2023 Q3	$41.5M	Buy	+775,200	New	+$42.9M	0.01%	1229

Other funds holding ARM

DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Schroder Investment Management Group London, United Kingdom $122B AUM 29.27% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

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

Citadel Advisors's ARM Position: Q1 2026 in Review

Citadel Advisors reduced its Arm (ARM) stake by 43% in Q1 2026, selling an estimated $26.4M and leaving 288,820 shares worth $43.7M. The position accounts for 0.01% of the portfolio, ranked #1492.

Citadel Advisors first reported a position in ARM in Q3 2023 and has held it in 11 quarters since. The position peaked at $316M in Q1 2024. 742 funds tracked by Wall St. Rank hold ARM as of Q1 2026.

Citadel Advisors held 288,820 shares of Arm worth $43.7M as of Q1 2026.
Citadel Advisors sold 217,895 Arm shares in Q1 2026, an estimated $26.4M.
Arm made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1492 holding.
Citadel Advisors first reported a position in Arm in Q3 2023 and has held it in 11 quarters since.
Citadel Advisors's Arm position peaked at $316M in Q1 2024.
742 funds tracked by Wall St. Rank held Arm as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.