Prospect Hill Management’s Arm ARM Stock Holding History

Prospect Hill 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
2025 Q3	–	Sell	-6,214	Closed	-$1.01M	–	15
2025 Q2	$1.01M	Sell	6,214 -125	-2%	-$15.5K	0.52%	14
2025 Q1	$677K	Buy	6,339 +1,738	+38%	+$242K	0.35%	14
2024 Q4	$568K	Buy	4,601 +6	+0.1%	+$846	0.25%	13
2024 Q3	$657K	Buy	+4,595	New	+$653K	0.33%	13

Other funds holding ARM

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

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

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

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

SGA

Sustainable Growth Advisers Stamford, Connecticut $10.2B AUM 1.48% 1-Year Est. Return

Coatue Management New York $48.6B AUM 94.27% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Alphabet Inc Mountain View, California $99.1B AUM 124.46% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

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

Prospect Hill Management's ARM Position: Q3 2025 in Review

Prospect Hill Management sold out of Arm (ARM) in Q3 2025, closing a stake of 6,214 shares — an estimated $1.01M sold.

Prospect Hill Management first reported a position in ARM in Q3 2024 and held it in 4 quarters. The position peaked at $1.01M in Q2 2025. 660 funds tracked by Wall St. Rank hold ARM as of Q3 2025.

Prospect Hill Management reported no remaining Arm position as of Q3 2025 after selling out during the quarter.
Prospect Hill Management sold 6,214 Arm shares in Q3 2025, an estimated $1.01M.
Prospect Hill Management first reported a position in Arm in Q3 2024 and held it in 4 quarters.
Prospect Hill Management's Arm position peaked at $1.01M in Q2 2025.
660 funds tracked by Wall St. Rank held Arm as of Q3 2025.

Based on Prospect Hill Management's 13F filing for Q3 2025, filed 7 Nov 2025.