Altimeter Capital Management’s Arm ARM Stock Holding History

Altimeter Capital 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 Q2	$582M	Sell	1,641,972 -73,468	-4%	-$19.5M	5.92%	6
2026 Q1	$260M	Buy	+1,715,440	New	+$208M	4.55%	9
2025 Q4	–	Sell	-1,098,139	Closed	-$155M	–	19
2025 Q3	$155M	Buy	1,098,139 +164,931	+18%	+$24M	2.05%	15
2025 Q2	$151M	Buy	933,208 +757,608	+431%	+$94M	2.18%	13
2025 Q1	$18.8M	Buy	+175,600	New	+$24.5M	0.38%	18

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

Altimeter Capital Management's ARM Position: Q2 2026 in Review

Altimeter Capital Management reduced its Arm (ARM) stake by 4.3% in Q2 2026, selling an estimated $19.5M and leaving 1,641,972 shares worth $582M. The position accounts for 5.92% of the portfolio, ranked #6.

Altimeter Capital Management first reported a position in ARM in Q1 2025 and has held it in 5 quarters since. 956 funds tracked by Wall St. Rank hold ARM as of Q2 2026.

Altimeter Capital Management held 1,641,972 shares of Arm worth $582M as of Q2 2026.
Altimeter Capital Management sold 73,468 Arm shares in Q2 2026, an estimated $19.5M.
Arm made up 5.92% of Altimeter Capital Management's portfolio in Q2 2026, its #6 holding.
Altimeter Capital Management first reported a position in Arm in Q1 2025 and has held it in 5 quarters since.
956 funds tracked by Wall St. Rank held Arm as of Q2 2026.

Based on Altimeter Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.