ARM — ARM HOLDINGS PLC

Ownership history in Hyperion Asset Management Ltd  ·  2 quarters on record

This page tracks every 13F SEC filing in which Hyperion Asset Management Ltd reported a position in ARM HOLDINGS PLC (ARM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
5.66% (2025 Q3)
Avg. % of fund
5.64%
First filed
2025 Q3
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 1,836,185 +401,594 +28.0% 5.61% $200.7M $109.31
2025 Q3 INITIATED 1,434,591 — — 5.66% $203.0M $141.49
% of Fund (quarterly)    ARM price (monthly, adj. close)

Other funds also holding ARM

As of 2025 Q4 — sorted by position size

Alphabet Inc. 3Y 8.31% Renaissance Capital LLC 3Y 5.5% LANSDOWNE PARTNERS (UK) LLP 3Y 7Y 3.78% Defender Capital, LLC. 3Y 3.57% Longitude (Cayman) Ltd. 3Y 2.83% TRAN CAPITAL MANAGEMENT, L.P. 3Y 7Y 2.48% Longitude (Cayman) Ltd. 3Y 2.36% DOCK STREET ASSET MANAGEMENT INC 3Y 7Y 2.17% MARK ASSET MANAGEMENT LP 3Y 7Y 2.06% Sustainable Growth Advisers, LP 3Y 7Y 2.02%
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