Arm Holdings Plc /uk vs Qualcomm Inc/de (ARM vs QCOM)
Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.
Qualcomm Inc/de is the larger company by revenue ($44.3B vs $4.9B). Arm Holdings Plc /uk carries the larger market value ($323.1B vs $193.3B). Arm Holdings Plc /uk has grown revenue faster over the last 4 fiscal years (+82.0% cumulative vs +31.9%). Qualcomm Inc/de runs the higher operating margin (27.9% vs 18.3%). Qualcomm Inc/de trades at the lower trailing P/E (20.9x vs 311.9x).
About Arm Holdings Plc /uk
Arm Holdings plc designs, develops, and licenses high-performance, energy-efficient semiconductor technology, including CPU and GPU intellectual property, system IP, and compute subsystems. The company serves technology companies worldwide by providing a compute platform used in devices ranging from smartphones and PCs to data centers, automotive systems, and IoT devices. In 2026, Arm expanded its offerings to include production silicon products with the launch of the Arm AGI CPU.
About Qualcomm Inc/de
Qualcomm is a global technology company that develops and commercializes foundational technologies including on-device artificial intelligence, high-performance computing, and advanced wireless connectivity. It supplies integrated circuit platforms and system software for mobile devices, automotive systems, and the internet of things, and licenses its intellectual property related to cellular technologies and other innovations. Qualcomm serves manufacturers, operators, developers, and various industries by providing chips, software, and licensing for wireless products and digital experiences.
Head to head (ARM FY2026 vs QCOM FY2025)
| Metric | ARMFY2026 | QCOMFY2025 |
|---|---|---|
| Revenue | $4.92B | $44.28B |
| Revenue growth (YoY) | 22.8% | 13.7% |
| Gross margin | — | 55.4% |
| Operating margin | 18.3% | 27.9% |
| Net margin | 18.4% | 12.5% |
| Net income | $904.0M | $5.54B |
| Diluted EPS | $0.85 | $5.01 |
| FCF margin | 19.9% | 28.9% |
| ROE | 10.9% | 26.1% |
| Long-term debt / equity | — | 0.70× |
| Market cap | $323.13B | $193.31B |
| P/E | 311.9× | 20.9× |
Fundamentals are from each company’s SEC filings (ARM FY2026, QCOM FY2025). ROE is net income over fiscal-year-end equity; long-term debt / equity counts non-current term debt only. P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.
Five-year trend (as reported)
| ARM by fiscal year | FY2022 | FY2023 | FY2024 | FY2025 | FY2026 |
|---|---|---|---|---|---|
| Revenue | $2.70B | $2.68B | $3.23B | $4.01B | $4.92B |
| Net income | $549.0M | $524.0M | $306.0M | $792.0M | $904.0M |
| Operating margin | 23.4% | 25.0% | 3.4% | 20.7% | 18.3% |
| QCOM by fiscal year | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| Revenue | $33.57B | $44.20B | $35.82B | $38.96B | $44.28B |
| Net income | $9.04B | $12.94B | $7.23B | $10.14B | $5.54B |
| Operating margin | 29.2% | 35.9% | 21.7% | 25.8% | 27.9% |
Arm Holdings Plc /uk and Qualcomm Inc/de use different fiscal calendars (ARM's FY2026 ended 2026-03-31, QCOM's FY2025 ended 2025-09-28), so their fiscal years are shown separately rather than forced into one timeline.
Peer standing
These companies are ranked against different peer groups (Arm Holdings Plc /uk vs 88 semiconductor companies; Qualcomm Inc/de vs 625 Technology companies), so each is shown against its own peers rather than on one scale.
Arm Holdings Plc /uk
Arm Holdings Plc /uk’s P/E of 311.9 ranks in the 95th percentile of the 44 peers with a meaningful P/E.
Qualcomm Inc/de
Qualcomm Inc/de’s operating margin of 27.9% ranks in the 91st percentile of the 562 Technology companies reporting it. Qualcomm Inc/de’s FCF margin of 28.9% ranks in the 88th percentile of the 542 Technology companies reporting it. Qualcomm Inc/de’s return on equity of 26.1% ranks in the 85th percentile of the 543 Technology companies reporting it.
Short interest
| FINRA settlement data | ARM | QCOM |
|---|---|---|
| Shares sold short | 15.5M | 38.3M |
| Change vs prior settlement | -7.3% | +13.6% |
| Days to cover | 3.94 | 3.06 |
| As of settlement | 2026-09-15 | 2026-09-15 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data; republishing or redistributing it is not permitted. Not presented as a percentage of float. No FINRA endorsement of this product is implied.
Insider activity (last 90 days)
| Form 4 activity (codes P/S) | ARM | QCOM |
|---|---|---|
| Buys | 0 | 0 |
| Sells | 2 ($5.8M) | 31 ($5.9M) |
Non-derivative purchases (code P) and sales (code S) reported on SEC Form 4, which may be open-market or private (grants, exercises and tax withholding excluded). For context, about 15% of covered companies saw any reported insider purchase (code P) in a 90-day window.
Held by the same investors
8 tracked 13F managers hold both Arm Holdings Plc /uk and Qualcomm Inc/de as of their latest quarterly filings: Altimeter Capital Management, Bridgewater Associates, Citadel Advisors, D. E. Shaw, Gotham Asset Management, Maverick Capital, Millennium Management, Two Sigma Investments. See which superinvestors hold your own portfolio with the smart money checker.
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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filings before relying on them. Comparisons are descriptive (higher or lower on a reported figure), not a rating or a recommendation. Informational only. Not investment advice.