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ARM HOLDINGS PLC (ARM)

Name: ARM HOLDINGS PLC (ARM) — Institutional ownership, SEC filings and insider activity
Creator: Sightfile
License: https://www.sec.gov/privacy#dissemination

Institutional ownership, SEC filings and insider activity

Sector: Technology · SEC CIK 0001973239 · EDGAR filings · Updated 2026-06-04

ARM HOLDINGS PLC (ARM) has reported institutional ownership of 8.3%, with 741 institutional managers holding positions valued at $13.3B per the latest 13F reporting period.

Institutional ownership

8.3%

Institutional managers

741

Reported 13F value

$13.3B

Insider activity

9 trans.

−$8.29M net selling

Latest updates

2026-06-04 — Insider transaction reported (Form 4)
2026-06-03 — Insider transaction reported (Form 4)
2026-06-01 — Insider transaction reported (Form 4)
2026-05-26 — Insider transaction reported (Form 4)
2026-05-26 — SD filed
2026-05-26 — IRANNOTICE filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, ARM HOLDINGS PLC has 741 institutional holders and institutional ownership of 8.3%.

Insider activity

Insiders reported 9 transactions (0 buys, 9 sells) across 15 reporting insiders, with a net reported value of −$8.29M.

Related companies

SS&C TECH HLDGS (SSNC) · ASTERA LABS INC (ALAB) · LATTICE SEMICONDUCTOR CO (LSCC) · CREDO TECHNOLOGY GROUP HOLDI (CRDO) · GUIDEWIRE SOFTWARE INC (GWRE) · TOWER SEMICONDUCTOR LTD (TSEM)

See full history, cross-references and alerts on Sightfile

Sightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-06-04.