Back to home
ARM

Ticker case file

ARM

ARM HOLDINGS PLC

13FSmart MoneyPublic Filings
$411.83+2.26%NMS

Tracked funds

13Unique WSM-tracked managers; table rows may include common shares and options

Politicians active

2Recent transactions disclosed via House Clerk / Senate eFD

13F notional

$2.5B2026-03-31

Top conviction

4.6%max % across any fund's portfolio
Source layer

This page is the WSM tracked universe, not market-wide ownership. 13F rows are quarterly snapshots, about 45 days delayed; PTR rows are event-based public disclosures.

13F filing

Funds holding this ticker

23
Manager13F valueConvictionClassOptionReportedSEC filing
Citadel Advisors LLCHedge$537.1M0.09%SHPUT2026-03-31SEC filing
Citadel Advisors LLCSemis$407.3M0.07%SHCALL2026-03-31SEC filing
FMR LLCSemis$370.5M0.02%SH—2026-03-31SEC filing
Altimeter Capital Management, LPSemis$259.5M4.6%SH—2026-03-31SEC filing
Balyasny Asset Management L.P.Semis$139.9M0.18%SH—2026-03-31SEC filing
Loomis, Sayles & Company, L.P.Semis$130.1M0.18%SH—2026-03-31SEC filing
Bridgewater Associates, LPSemis$89.8M0.40%SH—2026-03-31SEC filing
Two Sigma Investments, LPSemis$87.7M0.07%SH—2026-03-31SEC filing
Point72 Asset Management, L.P.Semis$77.1M0.10%SHCALL2026-03-31SEC filing
Millennium Management LLCSemis$76.5M0.03%SHCALL2026-03-31SEC filing
Millennium Management LLCHedge$74.2M0.03%SHPUT2026-03-31SEC filing
Whale Rock Capital Management LLCSemis$68.4M0.88%SH—2026-03-31SEC filing
Point72 Asset Management, L.P.Hedge$55.7M0.07%SHPUT2026-03-31SEC filing
Citadel Advisors LLCSemis$43.7M0.01%SH—2026-03-31SEC filing
Millennium Management LLCSemis$40.9M0.02%SH—2026-03-31SEC filing
Balyasny Asset Management L.P.Hedge$36.5M0.05%SHPUT2026-03-31SEC filing
Balyasny Asset Management L.P.Semis$13M0.02%SHCALL2026-03-31SEC filing
Two Sigma Investments, LPHedge$12.3M0.01%SHPUT2026-03-31SEC filing
Two Sigma Investments, LPSemis$9.9M0.01%SHCALL2026-03-31SEC filing
Renaissance Technologies LLCSemis$2.6M0.00%SH—2026-03-31SEC filing
Point72 Asset Management, L.P.Semis$2.2M0.00%SH—2026-03-31SEC filing
Jennison Associates LLCSemis$337.7K0.00%SH—2026-03-31SEC filing
Duquesne Family Office LLCSemis$16.1K0.48%SH—2026-03-31SEC filing

Politician

Politician PTR activity

4
Public datePoliticianActionOwnerAmount rangeFiling
2025-12-17Cleo Fields HouseholdD · LA-06SaleSelf$50K–$100K20033616
2025-10-15Jonathan Jackson HouseholdD · IL-01SaleDependent$1K–$15K20032232
2025-08-25Jonathan Jackson HouseholdD · IL-01PurchaseSelf$1K–$15K20030860
2025-08-06Cleo Fields HouseholdD · LA-06PurchaseSelf$50K–$100K20030803

Combined activity

13F filings + PTR transactions, newest first

WSM tracked universe · data through Q1 2026 · 45d disclosure lagNot investment advice · Historical disclosures do not represent current positions