Arm Holdings plc vs IONQ Inc — how do they compare? Arm Holdings plc trades at $272.39 (market cap $287.22B), while IONQ Inc trades at $45.26 (market cap $17.60B). The key difference: Arm Holdings plc is far larger — about 16.3× IONQ Inc's market cap, and Arm Holdings plc is trading nearer its 52-week high, IONQ Inc nearer its low. Which is the better fit depends on your goals.
| ARM | IONQ | |
|---|---|---|
Market Cap | $287.22B | $17.60B |
Sector | Technology | Technology |
52-Week High | $439.46 | $82.09 |
52-Week Low | $104.55 | $26.59 |
Enterprise Value | $283.79B | $15.53B |
Signals from Pluang's Aura AI — not financial advice
ARM trades at $273.29, up 2.03% with a bullish technical trend and strong support at $265. The company reported robust earnings beats in recent quarters, with Q2 2026 EPS of $0.45 exceeding the $0.40 estimate. Revenue grew to $4.01B in 2025, with net income of $792M, though valuation ratios like P/E of 274.42 remain elevated. Analyst sentiment is positive, with 70% buy ratings.
Outlook is supported by AI-driven demand and a $25B revenue target by FY31, but high valuation and smartphone market headwinds pose risks. The consensus price target is $329.80, implying potential upside, yet volatility from recent sell-offs requires caution for investors seeking growth amid premium multiples.
IONQ trades at $44.82, up 5.38% with a bullish technical signal supported by moving averages. The quantum computing company reported explosive 287% revenue growth in Q2 2026 to $80.1 million and raised its full-year outlook, though it remains deeply unprofitable with a -553% net margin. Recent catalysts include a $28 million DARPA contract extension and strong analyst sentiment with a $73.33 consensus price target representing 64% upside potential.
While IONQ demonstrates exceptional revenue momentum and technological leadership in quantum computing, investors face substantial risk from persistent losses, high cash burn, and valuation multiples exceeding 60x sales. The stock offers significant growth potential but requires tolerance for volatility and a long-term horizon given the nascent stage of quantum commercialization.
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 →IonQ is a leader in quantum computing, developing world-class quantum systems. Its technology aims to solve complex problems across finance, healthcare, and materials science that are beyond classical computers.
Read more on IONQ →