Arm Holdings PLC
ARMNasdaqSemiconductors & Related DevicesFiscal year ends March 31
Financials through Q1 FY2027, quarter ended Jun 30, 2026Last filing: 20-F on May 26, 2026Score 13/30
$196.79−9.18 (-4.46%)
Close on Nov 2, 2026Market cap $209.40BP/E 202.9Yield –
Arm Non-GAAP Operating Margin: 43.0% in FY2026, down 3.7 pts from a year earlier.
Latest, FY2026
43.0%
Period ended Mar 31, 2026
Change on a year earlier
-3.7 pts
46.7% in FY2025
History
4 years
Since FY2023
Sources
4
Documents cited below
Where the FY2026 figure comes from
“|| Operating margin | 18.3% | 43.0%”
Source: Arm Shareholder Letter (Form 6-K EX-99.2, FY2026) ↗
Reported in Arm Quarterly Shareholder Letters (GAAP to Non-GAAP Reconciliation).
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Non-GAAP Operating Margin (%) (%) | Year on year | Source |
|---|---|---|---|---|
| FY2026 | Mar 31, 2026 | 43.0% | -3.7 pts | Arm Shareholder Letter (Form 6-K EX-99.2, FY2026) ↗ |
| FY2025 | Mar 31, 2025 | 46.7% | +3.1 pts | Arm Shareholder Letter (Form 6-K EX-99.2, FY2025) ↗ |
| FY2024 | Mar 31, 2024 | 43.6% | +14.4 pts | Arm Shareholder Letter (Form 6-K EX-99.2, FY2024) ↗ |
| FY2023 | Mar 31, 2023 | 29.2% | – | Arm Shareholder Letter (Form 6-K EX-99.2, FY2023) ↗ |
Cite this data
StockData. (2026). Arm Non-GAAP Operating Margin (%), annual FY2023–FY2026 [Data set]. Compiled from Arm SEC filings and investor materials. https://stockdatahq.com/stocks/arm/kpis/nongaap-opm-pct
See every metric in the Arm KPI table. Data updated Oct 26, 2026.