ARM — ARM HOLDINGS PLC

Ownership history in Longitude (Cayman) Ltd.  ·  8 quarters on record

This page tracks every 13F SEC filing in which Longitude (Cayman) 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
2.83% (2025 Q4)
Avg. % of fund
1.61%
First filed
2023 Q3
Last filed
2025 Q4
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 50,000 -10,000 -16.7% 2.36% $5.5M $109.31
2025 Q4 ADDED 60,000 +19,500 +48.1% 2.83% $6.6M $109.31
2024 Q4 ADDED 40,500 +14,000 +52.8% 1.05% $5.0M $123.36
2024 Q3 ADDED 26,500 +11,000 +71.0% 1.10% $3.8M $143.01
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% 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% Hyperion Asset Management Ltd 3Y 5.61% Renaissance Capital LLC 3Y 5.5% LANSDOWNE PARTNERS (UK) LLP 3Y 7Y 3.78% Defender Capital, LLC. 3Y 3.57% TRAN CAPITAL MANAGEMENT, L.P. 3Y 7Y 2.48% 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% Lagoda Investment Management, L.P. 3Y 7Y 1.8%
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