Arm Holdings plc vs Fastly Inc — how do they compare? Arm Holdings plc trades at $271.15 (market cap $286.06B), while Fastly Inc trades at $28.78 (market cap $4.42B). The key difference: Arm Holdings plc is far larger — about 64.7× Fastly Inc's market cap, and Fastly Inc is trading nearer its 52-week high, Arm Holdings plc nearer its low. Which is the better fit depends on your goals.
| ARM | FSLY | |
|---|---|---|
Market Cap | $286.06B | $4.42B |
Sector | Technology | Technology |
52-Week High | $439.46 | $33.50 |
52-Week Low | $104.55 | $6.85 |
Enterprise Value | $282.64B | $4.48B |
Signals from Pluang's Aura AI — not financial advice
ARM stock trades at $282.57, down 1.43% over 24 hours, with a bullish technical outlook supported by moving averages and key support at $272. The company reported strong earnings beats in recent quarters, with Q2 2026 EPS of $0.45 beating the $0.40 estimate. Revenue grew to $4.01B in 2025, with a net income margin of 20.25%, though valuation multiples remain elevated with a P/E of 273.32.
The outlook is positive due to AI-driven growth in licensing and royalties, with management targeting $25B revenue by FY31. However, risks include stretched valuation, smartphone market headwinds, and execution challenges. Analyst consensus is bullish with a $329.80 price target, suggesting 17% upside from current levels.
Fastly (FSLY) trades at $22.96, up 1.23% on the day, with a bullish technical signal and strong earnings beats in recent quarters. Revenue grew to $624 million in 2025, and the net loss margin improved to -19.5%. Recent news highlights security expansion and AI demand driving growth, with the stock surging 21% to $27.69 on August 10, 2026, per 24/7 Wall Street. The company raised its full-year 2026 outlook after Q2 results.
The outlook is positive with raised guidance and analyst consensus target of $28.25, but risks include persistent net losses, high debt, and competitive pressure. Investment opportunity lies in AI and security growth, yet profitability challenges and insider selling warrant caution for stock investors.
Trailing returns across standard periods
Latest headlines on both assets
Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →Fastly operates a content delivery network, which is necessary for entities to provide faster and more reliable online content. Fastly's strategy differs from traditional CDNs, which focused on locating servers in as many locations as possible to store copies of files that consumers most use. Fastly has far fewer sites than traditional CDNs, but it houses servers in the most network-dense data centers. Instead of simply storing static content, it allows its customers to program on its platform, enabling edge computing and better service of the more dynamic content that was traditionally not well served by CDNs. Fastly gears its service to the largest, most sophisticated enterprises rather than small companies and generated about two thirds of its revenue in the United States in 2020.
Read more on FSLY →