Marathon Trading Investment Management’s Arm ARM Stock Holding History

Marathon Trading Investment Management’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	$212K	Sell	1,400 -2,400	-63%	-$291K	0.01%	176
2025 Q4	$415K	Buy	3,800 +2,000	+111%	+$291K	0.01%	196
2025 Q3	$255K	Buy	1,800 +300	+20%	+$43.7K	0.02%	197
2025 Q2	$243K	Hold	1,500	–	–	0.03%	179
2025 Q1	$160K	Buy	+1,500	New	+$209K	0.02%	252
2024 Q4	–	Sell	-400	Closed	-$57.2K	–	318
2024 Q3	$57.2K	Sell	400 -6,700	-94%	-$952K	0.01%	242
2024 Q2	$1.16M	Sell	7,100 -11,700	-62%	-$1.45M	0.09%	97
2024 Q1	$2.35M	Buy	18,800 +16,300	+652%	+$1.73M	0.18%	80
2023 Q4	$188K	Buy	+2,500	New	+$146K	0.01%	273

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

Marathon Trading Investment Management's ARM Position: Q1 2026 in Review

Marathon Trading Investment Management reduced its Arm (ARM) stake by 84% in Q1 2026, selling an estimated $1.84M and leaving 2,856 shares worth $432K. The position accounts for 0.01% of the portfolio, ranked #134.

Marathon Trading Investment Management first reported a position in ARM in Q3 2023 and has held it in 10 quarters since. The position peaked at $3.06M in Q2 2024. 742 funds tracked by Wall St. Rank hold ARM as of Q1 2026.

Marathon Trading Investment Management held 2,856 shares of Arm worth $432K as of Q1 2026.
Marathon Trading Investment Management sold 15,144 Arm shares in Q1 2026, an estimated $1.84M.
Arm made up 0.01% of Marathon Trading Investment Management's portfolio in Q1 2026, its #134 holding.
Marathon Trading Investment Management first reported a position in Arm in Q3 2023 and has held it in 10 quarters since.
Marathon Trading Investment Management's Arm position peaked at $3.06M in Q2 2024.
742 funds tracked by Wall St. Rank held Arm as of Q1 2026.

Based on Marathon Trading Investment Management's 13F filing for Q1 2026, filed 14 May 2026.