Arm Holdings plc (ARM) Stock
NASDAQARM has an Alpha Score of 34 out of 100 (poor), computed on Oct 28, 2026 from 3 of 4 sub-scores. 2 members of Congress disclosed 4 trades in ARM since 2025: 2 purchases and 2 sales, most recently Cleo Fields (sale, Dec 11, 2025). 5 of the hedge funds AlphaScala tracks reported ARM in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Altimeter Capital's at $582.19M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Oct 30, 2026. Its trailing P/E ratio is 226.1 and its net margin 20.3% (key statistics as of Oct 22, 2026).
What is ARM's Alpha Score?
How it works →Alpha Score of 34 reflects weak overall profile with weak momentum, poor value, strong quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Oct 28, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded Arm Holdings plc (ARM)?
Most recent: Cleo Fields (sale, Dec 11, 2025); records start Jul 16, 2025.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Cleo Fields D-LA · House | 2025-12-11 | sale | $50k – $100k |
| Jonathan Jackson D-IL · House | 2025-09-02 | sale | $1k – $15k |
| Jonathan Jackson D-IL · House | 2025-07-17 | purchase | $1k – $15k |
| Cleo Fields D-LA · House | 2025-07-16 | purchase | $50k – $100k |
From STOCK Act periodic transaction reports. House filings as of Oct 29, 2026.
See all ARM political trades →Which hedge funds own ARM?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Altimeter Capital Brad Gerstner | 1.64M | $582.19M | -4% |
| Citadel Ken Griffin | 168K | $59.47M | -42% |
| Duquesne Family Office Stanley Druckenmiller | 28K | $9.96M | -74% |
| D.E. Shaw David Shaw | 6K | $2.04M | -98% |
| Bridgewater Associates Ray Dalio | 5K | $1.75M | -99% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are Arm Holdings plc insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 21, 26 | Child Jason | Chief Financial Officer | SELL | 10.4K | $3.1M |
| Aug 27, 26 | Child Jason | Chief Financial Officer | SELL | 10.4K | $2.7M |
| Mar 26, 26 | Haas Rene A. | Chief Executive Officer | SELL | 200 | $33K |
| Mar 26, 26 | Haas Rene A. | Chief Executive Officer | SELL | 600 | $97K |
| Mar 26, 26 | Haas Rene A. | Chief Executive Officer | SELL | 1.8K | $297K |
| Mar 26, 26 | Haas Rene A. | Chief Executive Officer | SELL | 5.3K | $857K |
| Mar 25, 26 | Haas Rene A. | Chief Executive Officer | SELL | 1.1K | $178K |
| Mar 25, 26 | Haas Rene A. | Chief Executive Officer | SELL | 4.8K | $785K |
| Mar 25, 26 | Haas Rene A. | Chief Executive Officer | SELL | 6.2K | $1.0M |
| Mar 25, 26 | Haas Rene A. | Chief Executive Officer | SELL | 11.7K | $1.9M |
SEC Form 4 filings as of Oct 30, 2026
See cluster-buy signals across all tickers →What are ARM's key statistics?
Key statistics as of Oct 22, 2026
How does ARM's valuation compare with the Technology sector?
| Metric | ARM | Technology median | Companies in median |
|---|---|---|---|
| P/E ratio | 226.1 | 33.2 | 164 |
| Net margin | 20.25% | 11.67% | 186 |
| Return on equity | 13.00% | 15.47% | 189 |
Medians over the Technology stocks whose key statistics were refreshed in the last 35 days (newest Nov 2, 2026). P/E excludes loss-making companies.
ARM price chart
Powered by TradingViewWhat does Arm Holdings plc do?
Arm Holdings plc American Depositary Receipt represents shares in Arm Holdings plc, a leading provider of intellectual property for semiconductor designs. The company specializes in licensing microprocessor architectures, systems IP, graphics processing units, physical IP, related software, and development tools, enabling efficient, low-power computing solutions. Its core offerings power a vast array of devices, from smartphones—where its architecture dominates nearly all CPU cores—to wearables, tablets, sensors, data centers, automotive systems, and emerging AI applications. Customers, including major chipmakers like Apple and Qualcomm, secure architectural licenses for customization or opt for off-the-shelf designs, paying upfront fees and royalties per chip shipped. This royalty-based model positions Arm Holdings plc as a pivotal enabler in the semiconductor industry, focusing on energy-efficient technologies across consumer electronics, enterprise computing, and embedded systems. Founded in 1990 and headquartered in Cambridge, United Kingdom, it plays a critical role in advancing next-generation computing without manufacturing chips itself.